Kiro

No entries match these filters. Clear filters

1. Nested AGENTS.md and Long-Session Efficiency seen Aug 14, 2026 · issue 045

   Kiro gains nested AGENTS.md support for directory-scoped agent instructions and long-session context improvements.

   • Supports nested AGENTS.md files placed throughout the workspace to give Kiro instructions scoped to each directory tree.
   • Preserves more context during long sessions, reducing loss of earlier conversation state.
   • Reduces idle resource usage for improved background efficiency.
   • Improves Cloud configuration, chat, hooks, and MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. connections.

   4 details in Everything

2. Voice Mode, Opt-In Cloud Sessions, and Spec Review seen Aug 13, 2026 · issue 044

   Kiro adds voice dictation with on-device Whisper transcription, spec review screen, and nested AGENTS.md steering.

   └──▷ TRY IT
   Dictate a prompt hands-free during a long agentic run without touching the keyboard.
   copy

   $ /voice --continuous

   Review a generated spec document and queue targeted line edits before the agent continues.
   📍At a spec phase checkpoint, press Ctrl+X to open the review screen, annotate the lines you want changed, then answer the checkpoint question to send all staged comments as one revision request.
   • Adds /voice command (also triggerable via Ctrl+O or holding Space) for on-device speech-to-text prompt dictation using Whisper, with no audio leaving the machine and no cloud API key required; --continuous flag enables hands-free back-and-forth mode that auto-starts a new recording each turn.
   • Adds Ctrl+X shortcut at spec phase checkpoints to open a spec review screen where you can read phase documents and stage line comments, which are batched into a single revision request when the checkpoint question is answered.
   • AGENTS.md files now load as steering context from anywhere in the workspace tree, not just the workspace root or ~/.kiro/steering/, enabling co-location of steering instructions with the code they describe.
   • Cloud sessions are now disabled by default unless an administrator explicitly enables them via the Cloud Sessions toggle in the Kiro console.

   4 details in Everything

   └──▷ BREAKING ON UPGRADE

   • !Cloud sessions (v3) are now opt-in: organizations that never configured the Cloud Sessions toggle in the Kiro console will find cloud sessions disabled after upgrading until an admin explicitly enables them.
3. Cloud Sessions Preview and Smarter Command Menus seen Aug 12, 2026 · issue 043

   Kiro CLI gains cloud sandbox sessions with --cloud, --repo, and --resume-id flags, plus substring matching in the slash command menu.

   └──▷ TRY IT
   Start a cloud session attached to a repo, then resume it later from a different machine without losing agent progress.
   copy

   $ kiro-cli chat --cloud --repo <your-repo>
   # later, from any machine:
   kiro-cli chat --resume-id <session-id>

   • Adds --cloud flag to kiro-cli and kiro-cli chat to run sessions in a managed cloud sandbox instead of locally.
   • Adds --repo flag (and /repo picker) to attach repositories to a cloud session.
   • Adds --resume-id flag to reconnect to a running cloud session from any machine after disconnecting.
   • Cloud and local sessions now appear together in the session picker.
   • Slash command menu gains substring matching, so partial typing finds commands mid-word.

   +1 more show less

   • TUITUIA text-based user interface that runs inside a terminal, using characters and ANSI escape codes to render menus, panes, and widgets without a graphical desktop, letting cyber tools ship rich interactivity with no GUI dependency. input handling is smoother during rapid keystrokes.

   6 details in Everything

4. Cloud Sessions and Agent Focus Mode Upgrades seen Aug 12, 2026 · issue 043

   Kiro adds Cloud Sessions to Agent Focus Mode plus collapsible rail, attention cards, and session navigation.

   • Adds Cloud Sessions to Agent Focus Mode (preview): start a cloud-hosted session alongside local ones, pick the repositories it runs against, and keep those repositories visible below the chat using the same agent and model selectors as local sessions.
   • Collapse the Agent Focus Mode sessions rail to an icon-only strip to reclaim chat space, with every session still one click away.
   • New in-place attention cards surface next to the chat when a session needs input, showing the agent's question and options as buttons without forcing a session switch.
   • Adds back/forward navigation across sessions and settings from the titlebar via Cmd/Ctrl+[ and Cmd/Ctrl+].
   • Pins the agent's Windows terminal to PowerShell.

   5 details in Everything

5. changelog Aug 11, 2026 · issue 042

   Kiro 1.0.288 adds Agent Plugin support, session pinning, and CLI hand-off in Agent Focus Mode.

   ⤢

   ⤢

   ⤢
   • Supports Powers packaged in the open Agent Plugin format, installable from a local folder or GitHub URL, bundling skills and MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. for sharing across compatible agent tools.
   • Pin sessions in Agent Focus Mode with Pin Session to keep them at the top of their section.
   • Resume an existing session in Kiro CLI via Open with Kiro CLI directly from the Agent Focus Mode session rail.
   • New Check for Updates button in the settings pane, plus an update row in the rail footer when a new Kiro version is available.
   • Spec documents and task rows in the context panel now open directly in the editor.

   5 details in Everything

6. Agent Plugin Support and Session Pinning seen Aug 7, 2026 · issue 038

   Kiro adds open Agent Plugin format support, session pinning, and Kiro CLI hand-off in Agent Focus Mode.

   • Supports installing Powers packaged in the open Agent Plugin format from a local folder or GitHub URL, bundling skills, steering, scripts, and assets for sharing across compatible agent tools.
   • Adds Pin Session in Agent Focus Mode to keep a session pinned at the top of its section.
   • Adds Open with Kiro CLI to resume an existing session directly in the Kiro CLI.
   • Adds an update row in the rail footer and a Check for Updates button in the settings pane when a new Kiro version is available.
   • Spec documents and task rows in the context panel now open directly in the editor.

   +3 more show less

   • Adds bulk session migration and improved error recovery in Agent Focus Mode.
   • Improves spec hovers and MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. installs to handle untrusted workspace content safely.
   • Updates the underlying editor to Code OSSOSSOpen-source software: code whose licence permits anyone to inspect, modify, and redistribute it. Cyber tools build on it to reuse auditable libraries without licensing fees. v1.109.5.

   8 details in Everything

7. changelog seen Aug 3, 2026 · issue 034
   ⤢

   ⤢

   ⤢
   └──▷ TRY IT
   Investigate a tangential question mid-task without losing your main thread — then jump straight back.
   copy

   $ /tangent investigate-auth-edge-case

   Browse your full conversation tree to navigate between active tangents and the main thread.
   copy

   $ /tangent ls

   Check which tools are eating your context budget before starting a large refactor.
   copy

   $ /context

   • Named tangents via /tangent <name>, a visual conversation-tree picker via /tangent ls, and one-step return to the root via /tangent root
   • Guided spec creation: /spec new now prompts for a description before drafting requirements, using your input as ground truth instead of inferring from the spec name alone
   • Plan mode now auto-executes an approved plan immediately, removing the manual mode-switch step after plan review
   • Kiro submenu added to the editor context menu, including an Ask Kiro to Fix quick fix on errors and warnings
   • Guided form added for creating hooks

   +2 more show less

   • Kiro now replies in the IDE display language
   • Chat history persists across workspace folder changes
8. Tangent Side-Conversations and Per-Tool Token Breakdown seen Aug 1, 2026 · issue 032

   Kiro gains /tangent side-conversations and per-tool token breakdown in /context.

   ⤢
   └──▷ TRY IT
   Quickly look something up mid-task in an isolated branch, then return to your main workflow without cluttering the primary thread.
   copy

   $ kiro-cli --v3
   # inside the session:
   /tangent research-auth
   # ... explore freely ...
   /tangent root

   • New /tangent command lets you branch into named side-conversations that inherit full conversation history, then return to the main thread without polluting it.
   • Browse your entire conversation tree with /tangent ls and jump to the root from any depth with /tangent root.
   • The /context command now shows a per-tool token breakdown so you can see exactly what is consuming your context windowcontext windowThe maximum amount of text, counted in tokens, a model can take in and produce in one request. Everything the model knows about the task has to fit inside it..

   3 details in Everything

9. Editor Actions, Guided Hook Creation, and Code OSS Upgrade seen Jul 29, 2026 · issue 029

   Kiro adds editor context menu actions, guided hook creation, and Code OSSOSSOpen-source software: code whose licence permits anyone to inspect, modify, and redistribute it. Cyber tools build on it to reuse auditable libraries without licensing fees. v1.108.2 upgrade with IDE language replies.

   └──▷ HOW TO FIND IT
   Quickly invoke Kiro assistance on a specific error or warning without leaving your editor.
   📍In the editor, hover over a red/yellow underline → click the lightbulb or press the quick fix shortcut → select Ask Kiro to Fix.
   • Adds a Kiro submenu to the editor context menu for quick access to Kiro actions directly from right-click.
   • Adds an Ask Kiro to Fix quick fix option surfaced inline on errors and warnings in the editor.
   • Upgrades the underlying IDE to Code OSS v1.108.2.
   • Kiro now replies in the user's configured IDE display language.
   • Chat history now persists across workspace folder changes.

   5 details in Everything

10. Spec Drafting and Plan Auto-Execution seen Jul 29, 2026 · issue 029

    Kiro adds guided spec creation and automatic plan execution after approval in Plan mode.

    • Adds a guided description step to /spec new so the agent uses your provided description as ground truth when drafting requirements, rather than inferring from the spec name alone.
    • Plan mode now automatically begins executing an approved plan immediately after approval, eliminating the manual mode-switch step.

    2 details in Everything

11. Claude Opus 5 Now Available seen Jul 25, 2026 · issue 025

    Claude Opus 5 is now available in Kiro IDE, CLI, and Web with a 1M context windowcontext windowThe maximum amount of text, counted in tokens, a model can take in and produce in one request. Everything the model knows about the task has to fit inside it. and improved agentic coding performance.

    ⤢
    └──▷ HOW TO FIND IT
    Switch to Claude Opus 5 after restarting your IDE to tackle large multi-file refactors or end-to-end feature work.
    📍Restart the Kiro IDE or CLI, then open the model selector and choose Claude Opus 5.
    • Adds Claude Opus 5 to the Kiro IDE, CLI, and Web model selector with a 1M token context window.
    • Supports Claude Opus 5 for multi-file features, large refactors, and end-to-end feature work with self-verification and iteration.
    • Enables Claude Opus 5 multi-agent coordination with fewer conflicts between parallel agents.
    • Rolls out to Kiro Pro, Pro+, Pro Max, and Power customers in us-east-1 and eu-central-1 with cross-region inference at a 2.2x credit multiplier.

    4 details in Everything

12. V2 to V3 Agent Migration seen Jul 24, 2026 · issue 024

    Kiro V3 adds /upgrade-agent command to migrate V2 custom agent configs to the universal format

    └──▷ TRY IT
    Convert existing V2 custom agent configs in place so they work in both V2 and V3 sessions.
    copy

    $ /upgrade-agent

    • New /upgrade-agent command migrates V2 custom agent configuration files to the universal format compatible with both V2 and V3 modes.
    • Automatic retries for interrupted model responses, reducing manual intervention during long agent sessions.

    2 details in Everything

13. Global Hooks, Session Search, and Reliability Fixes seen Jul 22, 2026 · issue 022

    Kiro adds global hooks, searchable session history, proxy reliability, and dynamic MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. tool refresh.

    • Adds user-level global hooks that apply across all projects without per-project configuration.
    • New searchable session history panel lets practitioners quickly locate and revisit past agent sessions.
    • Agent now recovers automatically from interrupted responses in corporate proxy environments.
    • MCP tools refresh dynamically without requiring a restart.

    4 details in Everything

14. Introspect Subagent and Global Hooks seen Jul 17, 2026 · issue 018

    Kiro CLI v3 gains an Introspect subagent for in-line feature guidance and global hooks that fire across all workspaces.

    └──▷ TRY IT
    Ask the Introspect subagent how to configure a custom hook without leaving your terminal.
    copy

    $ kiro-cli --v3

    • New Introspect subagent answers questions about Kiro's features, explains custom agents, hooks, and steering files, and suggests workflow configurations — all inline (v3 only).
    • Global hooks defined in ~/.kiro/hooks/ now automatically apply to every workspace, eliminating per-project duplication for cross-cutting behaviors like linting on save or pre-commit security checks (v3 only).

    2 details in Everything

15. Faster Sessions, Compaction Fixes, and PowerShell Trust seen Jul 15, 2026 · issue 015

    Kiro 1.0.138 adds full PowerShell trust support on Windows and MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. tool recovery from transient network failures.

    • Adds full PowerShell trust support on Windows for Kiro sessions.
    • MCP tools now recover from transient network failures instead of failing silently.

    2 details in Everything

16. OpenAI GPT-5.6 Sol, Terra, and Luna now available seen Jul 15, 2026 · issue 015

    OpenAI GPT-5.6 Sol, Terra, and Luna are now available in Kiro across IDE, CLI, and Web.

    ⤢
    └──▷ HOW TO FIND IT
    Use Sol for complex, multi-step spec-driven implementation or long-horizon refactors where maximum coding capability is needed.
    📍In the Kiro IDE, CLI, or Web, open the model selector and choose GPT-5.6 Sol for your agent or chat session.
    Use Luna for high-frequency, low-latency tasks (e.g., autocomplete, quick edits) to minimize Kiro credit consumption at 0.6x multiplier.
    📍In the Kiro IDE, CLI, or Web, open the model selector and choose GPT-5.6 Luna for your agent or chat session.
    • Adds OpenAI GPT-5.6 Sol (flagship), Terra (balanced), and Luna (fast/low-cost) model tiers to Kiro's IDE, CLI, and Web interfaces.
    • Supports 272K context windowcontext windowThe maximum amount of text, counted in tokens, a model can take in and produce in one request. Everything the model knows about the task has to fit inside it. across all three GPT-5.6 tiers.
    • Enables longer autonomous runs with tool-coordinating mini-programs that reduce round-trips, available across all three tiers.
    • Supports cross-region inference across us-east-1 and eu-central-1 for Pro, Pro+, Pro Max, and Power customers.

    4 details in Everything

17. Claude Sonnet 5 Now Available seen Jul 13, 2026 · issue 014

    Claude Sonnet 5 is now available in Kiro IDE, CLI, and Web with 1M context and stronger agentic reasoning.

    ⤢
    └──▷ HOW TO FIND IT
    Switch to Claude Sonnet 5 in the Kiro IDE or CLI to get stronger autonomous coding and reasoning for long-running agentic tasks.
    📍Restart your IDE or CLI, then open the model selector and choose Claude Sonnet 5.
    • Adds Claude Sonnet 5 to the Kiro IDE, CLI, and Web model selector — Anthropic's most agentic Sonnet model with stronger reasoning, tool usetool useA model's ability to answer with a structured request to run a named function or API, which the application executes and returns. It is how agents take actions., and coding performance approaching Opus 4.8 at Sonnet-class pricing.
    • Supports a full 1M token context windowcontext windowThe maximum amount of text, counted in tokens, a model can take in and produce in one request. Everything the model knows about the task has to fit inside it. with a 1.3× credit multiplier, matching Sonnet 4.6 pricing.
    • Available to Kiro Pro, Pro+, Pro Max, and Power customers in AWS US-East-1 (Northern Virginia) and AWS Europe (Frankfurt) with cross-region inference support.

    3 details in Everything

18. Config Hot-Reload and Resource Inheritance Control seen Jul 13, 2026 · issue 014

    Kiro adds live hot-reload for MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface./agent configs and a toggle to block default resource inheritance in custom agents.

    └──▷ USE IT
    Prevent a custom agent from pulling in global steering files and AGENTS.md when you want a fully isolated, self-contained agent context.
    yaml copy

    chat.disableInheritingDefaultResources: true

    • Adds hot-reload for agent and MCP configurations: saving changes to an agent config, a new agent file, or mcp.json takes effect immediately without restarting the session or losing conversation history.
    • Adds selective server restart on config change — only affected MCP servers restart, and the config diff is order-independent so reordering environment variables does not trigger unnecessary restarts.
    • New chat.disableInheritingDefaultResources setting lets custom agents opt out of automatically inheriting default steering, skills, and AGENTS.md.

    3 details in Everything

19. Custom Overage Caps via Service Quotas seen Jul 13, 2026 · issue 014

    Enterprise admins can now set per-profile overage caps for Kiro users via AWS Service Quotas.

    ⤢
    └──▷ HOW TO FIND IT
    Cap per-user overage spend for a Kiro profile to prevent runaway costs across your organization.
    📍In the Kiro console, go to Settings › Overages and click the Manage link — this navigates to the AWS Service Quotas console where you can set the Maximum allowed overage per Kiro profile quota value.
20. Expanded MCP OAuth Support seen Jul 13, 2026 · issue 014

    Kiro MCP OAuthMCP OAuthAn authentication layer for the Model Context Protocol that lets MCP clients obtain delegated access tokens so cyber tools can call MCP servers on a user's behalf without handling raw credentials. now supports pre-registered apps with client secrets, custom redirect URIs, and DCR bypass.

    └──▷ USE IT
    Connect Kiro to a remote MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. server (like Figma) that requires a pre-registered OAuth app with a client secret and custom callback URL.
    json copy

    {
      "mcpServers": {
        "figma": {
          "url": "https://mcp.figma.com",
          "oauth": {
            "clientId": "<your-client-id>",
            "clientSecret": "<your-client-secret>",
            "redirectUri": "http://localhost:7778/oauth/callback"
          }
        }
      }
    }

    • Supports configuring a clientSecret in MCP OAuth config for servers that require one (e.g., Figma).
    • Skips Dynamic Client Registration automatically when a custom clientId is provided, authenticating as your pre-registered app.
    • Accepts full URLs with custom paths in the redirectUri field (e.g., http://localhost:7778/oauth/callback) to match exact app registration requirements.
    • Adds full ASCII mode coverage for terminals without Unicode support.
    • Delivers more accurate approval prompts for commands with combined flags.

    5 details in Everything

21. Hooks on Agent Writes, Lazy MCP Auth, and Multi-Window Sync seen Jul 13, 2026 · issue 014

    Kiro adds hooks on agent file writes, lazy MCP OAuthMCP OAuthAn authentication layer for the Model Context Protocol that lets MCP clients obtain delegated access tokens so cyber tools can call MCP servers on a user's behalf without handling raw credentials., and multi-window settings sync.

    • Adds hooks that trigger on agent-driven file writes, enabling automated workflows whenever the AI agent modifies files.
    • Introduces lazy MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. authentication — OAuth sign-in for MCP servers is triggered automatically on demand rather than requiring manual setup upfront.
    • Enables multi-window settings sync so IDE preferences stay consistent across multiple open Kiro windows.

    3 details in Everything

22. IAM Roles and Authorize Powers for Third-Party Services seen Jul 13, 2026 · issue 014

    Kiro adds AWS IAMAWS IAMAWS Identity and Access Management is Amazon's service for controlling who and what can call AWS APIs, by attaching policies that allow or deny actions on resources. Cyber tools use it to scope credentials to least privilege. role assumption for sandbox tasks and a standardized OAuth flow for third-party service Powers.

    └──▷ HOW TO FIND IT
    Grant the Kiro sandbox scoped AWS access so agent tasks and MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. servers can call AWS APIs without embeddingembeddingLists of numbers a model produces to represent the meaning of text, images or code, so similar items sit close together. They power semantic search and RAG. long-lived keys.
    📍In the console, go to Settings › Agent › Sandbox › AWS Credentials and enter the IAM role ARN that Kiro Web should assume.
    • New IAMIAMIdentity and Access Management — a framework of policies and services for controlling who can authenticate to systems and what resources they are authorized to use, letting cyber tools enforce least-privilege and audit access. Role for Sandbox: configure an AWS IAM role that Kiro Web assumes to supply the agent, CLI tools, and MCP servers with auto-refreshing short-lived credentials scoped to each task.
    • New standardized authorization flow for Powers: connect third-party services (Figma, Stripe, Supabase, etc.) once via Manage Powers and the agent reuses the encrypted token across all future tasks without re-prompting.
    • Instant revocation for third-party service connections: disconnecting a Power immediately revokes access, with tokens encrypted at rest and never exposed to the sandbox or agent.

    3 details in Everything

23. Session Restore, Performance Optimizations, and Custom Agent Enhancements seen Jul 13, 2026 · issue 014

    Kiro 1.0.89 adds automatic session restore on launch, idle performance improvements, and prepaid credit packs in the account dashboard.

    • Reduces idle resource consumption for improved background performance.
    • Adds prepaid credit packs visibility to the account dashboard.

    2 details in Everything

24. Stay Connected to MCP Servers seen Jul 13, 2026 · issue 014

    Kiro adds MCP OAuthMCP OAuthAn authentication layer for the Model Context Protocol that lets MCP clients obtain delegated access tokens so cyber tools can call MCP servers on a user's behalf without handling raw credentials. management commands and keyboard shortcuts to control remote server authentication without restarting sessions.

    └──▷ TRY IT
    When a remote MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. server token has gone stale mid-session, force re-authentication without restarting.
    copy

    $ /mcp auth

    When an OAuth browser confirmation flow hangs and blocks your session, abort it immediately.
    copy

    $ /mcp cancel-auth

    When rotating credentials or revoking access to a remote MCP server, clear all stored OAuth credentials.
    copy

    $ /mcp logout

    • New /mcp auth command forces re-authentication when an OAuth token has expired or become invalid on a remote MCP server.
    • New /mcp cancel-auth command aborts a stuck pending OAuth flow waiting for browser confirmation.
    • New /mcp logout command removes stored OAuth credentials for a remote MCP server entirely.
    • New keyboard shortcuts in the MCP panel status view: ^A to force auth, ^X to abort, and ^R to remove credentials.
    • Updated /usage display reflects the new prepaid credits model.

    5 details in Everything

25. Hooks on Agent Writes, Lazy MCP Auth, and Multi-Window Sync seen Jul 10, 2026 · issue 011

    Kiro adds hooks on agent file writes, lazy MCP OAuthMCP OAuthAn authentication layer for the Model Context Protocol that lets MCP clients obtain delegated access tokens so cyber tools can call MCP servers on a user's behalf without handling raw credentials., and multi-window settings sync in v1.0.116.

    • New hooks trigger on agent-driven file writes, enabling automation to react to AI-generated file changes.
    • Lazy MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. authentication automatically handles OAuth sign-in for MCP servers that require it, removing manual auth steps.
    • Multi-window settings sync keeps configuration consistent across multiple open Kiro windows.

    3 details in Everything

26. Expanded MCP OAuth Support seen Jul 10, 2026 · issue 011

    Kiro MCP OAuthMCP OAuthAn authentication layer for the Model Context Protocol that lets MCP clients obtain delegated access tokens so cyber tools can call MCP servers on a user's behalf without handling raw credentials. now supports pre-registered apps with client secrets, custom redirect URIs, and DCR bypass.

    └──▷ USE IT
    Connect Kiro to a remote MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. server like Figma that requires a pre-registered OAuth app with a client secret and a specific callback URL.
    json copy

    {
      "mcpServers": {
        "figma": {
          "url": "https://mcp.figma.com/sse",
          "oauth": {
            "clientId": "<your-client-id>",
            "clientSecret": "<your-client-secret>",
            "redirectUri": "http://localhost:7778/oauth/callback"
          }
        }
      }
    }

    • Supports clientSecret in MCP OAuth config for servers that require a client secret (e.g., Figma).
    • Enables skipping Dynamic Client Registration when a custom clientId is provided, authenticating as your own pre-registered app.
    • Accepts full URLs with custom paths in the redirectUri field (e.g., http://localhost:7778/oauth/callback) to match exact registered callback URLs.
    • Adds full ASCII mode coverage for terminals without Unicode support.

    4 details in Everything

27. Session Restore, Performance Optimizations, and Custom Agent Enhancements seen Jul 3, 2026 · issue 003

    Kiro 1.0.89 adds automatic session restore on launch, lower idle resource use, and prepaid credit packs in the account dashboard.

    • Reduces idle resource consumption, enabling use on lower-powered machines.
    • Surfaces prepaid credit packs directly in the account dashboard.

    2 details in Everything

28. Custom Overage Caps via Service Quotas seen Jul 3, 2026 · issue 003

    Enterprise admins can now set per-profile overage spending caps for Kiro via AWS Service Quotas.

    ⤢
    └──▷ HOW TO FIND IT
    Cap overage spend per profile to prevent runaway costs for enterprise users.
    📍In the Kiro console, go to Settings › Overages and click Manage to open the AWS Service Quotas console, then set the Maximum allowed overage per Kiro profile quota to your desired limit.
29. Stay Connected to MCP Servers seen Jul 3, 2026 · issue 003

    Kiro adds MCP OAuthMCP OAuthAn authentication layer for the Model Context Protocol that lets MCP clients obtain delegated access tokens so cyber tools can call MCP servers on a user's behalf without handling raw credentials. commands (/mcp auth, cancel-auth, logout) and keyboard shortcuts for managing remote server credentials.

    └──▷ TRY IT
    When a remote MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. server token expires mid-session, re-authenticate without restarting Kiro.
    copy

    $ /mcp auth

    When an OAuth browser confirmation flow hangs indefinitely, abort it cleanly so you can retry.
    copy

    $ /mcp cancel-auth

    When you need to rotate or revoke credentials for a remote MCP server, clear them entirely.
    copy

    $ /mcp logout

    • Adds /mcp auth command to force re-authentication when an OAuth token has expired or become invalid on a remote MCP server.
    • Adds /mcp cancel-auth command to abort a pending OAuth flow stuck waiting for browser confirmation.
    • Adds /mcp logout command to remove stored OAuth credentials entirely from a remote MCP server.
    • Adds keyboard shortcuts in the MCP panel status view: ^A to force auth, ^X to abort, and ^R to remove credentials.
    • Updates /usage display to reflect the new prepaid credits model.

    5 details in Everything

30. IAM Roles and Authorize Powers for Third-Party Services seen Jul 2, 2026 · issue 002

    Kiro adds AWS IAMAWS IAMAWS Identity and Access Management is Amazon's service for controlling who and what can call AWS APIs, by attaching policies that allow or deny actions on resources. Cyber tools use it to scope credentials to least privilege. role assumption for sandboxes and a standardized OAuth flow for third-party service Powers.

    └──▷ HOW TO FIND IT
    Grant Kiro's sandbox scoped AWS access so agent tasks and MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. servers can call AWS APIs without long-lived keys.
    📍In the console, go to Settings › Agent › Sandbox › AWS Credentials and configure the IAM role Kiro Web should assume.
    Authorize a third-party service (e.g., Stripe or Figma) once so the agent can use it across all future tasks without re-prompting.
    📍In the console, go to Settings › Agent › Manage Powers, select the desired Power, and complete the authorization flow.
    • New IAMIAMIdentity and Access Management — a framework of policies and services for controlling who can authenticate to systems and what resources they are authorized to use, letting cyber tools enforce least-privilege and audit access. Role for Sandbox: configure a role that Kiro Web assumes to supply the agent, CLI tools, and MCP servers with auto-refreshing, short-lived AWS credentials during task execution.
    • New Authorize Powers flow: connect third-party services (Figma, Stripe, Supabase, etc.) once via a standard authorization flow in Agent settings; tokens are encrypted at rest and never exposed to the sandbox or agent.
    • Instant revocation: disconnecting a Power immediately revokes access to the linked third-party service.

    3 details in Everything

31. Claude Sonnet 5 Now Available seen Jul 2, 2026 · issue 002

    Claude Sonnet 5 is now available in Kiro IDE, CLI, and Web with 1M context and stronger agentic reasoning.

    ⤢
    └──▷ HOW TO FIND IT
    Switch to Claude Sonnet 5 in the Kiro IDE or CLI to leverage its stronger agentic coding and longer autonomous runs.
    📍Restart your IDE or CLI, then open the model selector and choose Claude Sonnet 5.
    • Adds Claude Sonnet 5 to Kiro IDE, CLI, and Web — Anthropic's most agentic Sonnet model with stronger reasoning, tool usetool useA model's ability to answer with a structured request to run a named function or API, which the application executes and returns. It is how agents take actions., and coding performance approaching Opus 4.8.
    • Supports full 1M token context windowcontext windowThe maximum amount of text, counted in tokens, a model can take in and produce in one request. Everything the model knows about the task has to fit inside it. at a 1.3× credit multiplier, matching Sonnet 4.6 pricing.
    • Available to Kiro Pro, Pro+, Pro Max, and Power customers in AWS US-East-1 (N. Virginia) and AWS Europe (Frankfurt) with cross-region inference support.

    3 details in Everything

32. Config Hot-Reload and Resource Inheritance Control seen Jun 29, 2026 · issue 001

    Kiro 2.10 adds live config hot-reload for MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface./agents and a setting to block default resource inheritance in custom agents.

    └──▷ USE IT
    Stop a custom agent from pulling in global steering files, skills, and AGENTS.md when you want a fully isolated agent environment.
    json copy

    "chat.disableInheritingDefaultResources": true

    • Adds hot-reload for agent and MCP configurations: saving changes to an agent config, a new agent file, or mcp.json takes effect immediately without restarting the session or losing conversation history.
    • Only affected MCP servers restart on config change; conversation context is preserved across reloads.
    • New chat.disableInheritingDefaultResources setting lets custom agents opt out of automatically inheriting default steering files, skills, and AGENTS.md.

    3 details in Everything

33. Agent Focus, Permissions, Custom Agents, and More seen Jun 29, 2026 · issue 001

    Kiro IDE 1.0 adds Agent Focus mode, capability-based permissions, custom Markdown-defined agents, NL hook creation, and dockable chat tabs.

    ⤢

    ⤢

    ⤢

    ⤢
    └──▷ USE IT
    Define a specialized code-review agent your whole team can use by committing a Markdown file to version control.
    yaml copy

    # .kiro/agents/code-reviewer.md
    ---
    tools: read, web
    mcp:
      - server: github
    permissions:
      deny: shell
    ---
    You are a strict code reviewer. Focus on security, clarity, and test coverage.

    Automate a lint-and-notify hook by describing it in plain English so Kiro generates the structured v1 JSON config in .kiro/hooks/.
    📍In the Agent Hooks panel, type: "Run ESLint on any modified .ts file and post a summary to chat" — Kiro generates and saves the hook to .kiro/hooks/eslint-on-save.json
    Open a long agent conversation alongside the file it's editing to review inline diffs without switching panes.
    📍Right-click a chat tab → Open in Editor → drag the tab to a vertical split group alongside your source file.
    • New experimental Agent Focus mode lets you direct multiple parallel agents from a chat-first layout with inline diffs, status-at-a-glance, and structured workflow templates (Spec, Plan, Bug Fix, Quick Spec).
    • New capability-based permissions system lets you define exactly what the agent can read, execute, or call via MCPMCPModel Context Protocol, a standard for connecting AI applications to external tools and data sources. A compatible server exposes capabilities an assistant can use through a common interface. — prompting for consent on unapproved actions and persisting decisions as workspace or global rules.
    • New Custom Agents feature lets you define specialized agents in a Markdown file with tool-access tags (read, write, shell, web), inline MCP servers, and permission rules — shareable via version control.
    • Hooks now support natural language creation: describe the automation you want and Kiro generates the v1 JSON hook configuration stored in .kiro/hooks/, with triggers for file events, tool usetool useA model's ability to answer with a structured request to run a named function or API, which the application executes and returns. It is how agents take actions. interception, spec tasks, and prompt submission.
    • New dockable chat tabs let you open any chat session as a full-width editor tab, split alongside source files, drag between editor groups, or span a second monitor — with the panel and tab staying in sync.

    +1 more show less

    • New agent selector in the chat input bar lets you switch between Default, custom, and Spec agents mid-session without losing conversation history, with a persistent default agent setting across restarts.

    6 details in Everything

    └──▷ BREAKING ON UPGRADE

    • !Legacy hooks from 0.x must be migrated to the structured v1 JSON format stored in .kiro/hooks/; manual hooks have been replaced by manual steering files.
34. V3 Stability Fixes and Entra ID Session Refresh seen Jun 29, 2026 · issue 001

    Kiro adds compact tool card previews for sub-agent calls.

35. Introducing Automations seen Jun 29, 2026 · issue 001

    Kiro adds Automations: schedule recurring AI-driven tasks that run in sandboxes and open pull requests automatically.

    ⤢
    └──▷ HOW TO FIND IT
    Set up a recurring dependency-audit task that runs every Monday and automatically opens a PR with updates — no manual trigger needed.
    📍In the Kiro web console, go to Automations › Create Automation, describe the task (e.g. Audit and update outdated npm dependencies), select your GitHub or GitLab repository, and set a schedule using a cron expression (e.g. 0 9 * * 1 for Monday at 09:00 UTC).
    • New Automations feature lets you schedule recurring tasks against GitHub or GitLab repositories on hourly, daily, or custom cron schedules.
    • Each automation run executes in an independent sandbox — cloning repos, performing work autonomously, and opening a pull request with the results.
    • Supports up to five schedules per automation, configurable via built-in intervals or raw cron expressions.
    • Automations can be edited, disabled, or deleted at any time; changes take effect on the next scheduled run.

    4 details in Everything

36. CLI v3 Early Access seen Jun 29, 2026 · issue 001

    Kiro CLI v3 Early Access brings spec-driven development, capability-based permissions, enhanced hooks, and tag-based agent config to the terminal.

    └──▷ TRY IT
    Opt into the V3 early access harness without disrupting your existing 2.x installation.
    copy

    $ kiro-cli --v3

    • Adds Kiro CLI V3 early access preview, running alongside existing 2.x installs via kiro-cli --v3 opt-in flag.
    • Introduces spec-driven development in the terminal, aligning CLI behavior with the Kiro IDE and Kiro Web unified agent harnessagent harnessThe software around an AI agent that manages its tools, execution loop, state and limits. It determines how the model's proposed actions are run and checked..
    • New capability-based permissions model replaces prior permission handling for agent actions.
    • Enhanced hooks now ship with a standalone file format for defining hook behavior outside the main config.
    • Adds tag-based agent configuration for targeting and customizing agent behavior by tag.

    5 details in Everything

37. /goal, Queue Steering, and enriched /rewind seen Jun 29, 2026 · issue 001

    Kiro adds /goal loops, mid-turn queue steering, and enriched /rewind previews for more agentic control.

    └──▷ TRY IT
    Autonomously implement a multi-step feature with a built-in quality gate, capping retries to avoid runaway loops.
    copy

    $ /goal --max 8 "Implement OAuth2 login flow with tests passing and no lint errors"

    Redirect the agent mid-task when you spot it heading down the wrong path, without cancelling its current work.
    📍Press Ctrl+S to enter steer mode, then type your correction (e.g. Use Postgres not SQLite) — the agent picks it up at the next tool boundary.
    • New /goal command starts an iterative agent loop that self-verifies completion against acceptance criteria before stopping (default 5 iterations, configurable with --max).
    • New Queue Steering lets you send correction messages while the agent is running; it picks them up at the next tool boundary without requiring a cancel/restart.
    • Ctrl+S toggles between steer mode (inject message mid-turn) and queue mode (buffer message until the current turn ends).
    • Enriched /rewind turn picker now displays a summary of each turn — tool calls, files touched, commands run, and intermediate messages — for faster branch-point identification.

    4 details in Everything

38. GitLab Support and Specs in the Browser seen Jun 29, 2026 · issue 001

    Kiro Web gains full GitLab support and brings the Specs planning workflow to the browser.

    └──▷ HOW TO FIND IT
    Plan a feature across GitLab repos before writing any code — review and edit generated requirements, design, and task files in the browser.
    📍In Kiro Web, go to Settings › Integrations, connect your GitLab account with a personal access token, open a chat session, add your GitLab repo, then describe what you want to build to generate a Spec (requirements, design, and task files) for review.
    • Adds GitLab repository support: connect via personal access tokenpersonal access tokenA personal access token, a credential used by scripts and integrations instead of a user's password. Its permissions and expiry depend on the service issuing it., let the agent clone repos, write code, and open merge requests on your behalf.
    • Enables inspection of existing GitLab merge requests and issues directly in chat without leaving the session.
    • Supports mixing GitLab and GitHub repositories in a single Kiro Web session.
    • Brings Specs workflow to the browser: describe a goal and Kiro generates reviewable requirements, design, and task files before any code is written.
    • Allows editing the Spec plan through chat, selectively running individual tasks, and downloading spec artifacts when complete.

    +1 more show less

    • Supports multi-repo Spec sessions where the agent plans across multiple repositories simultaneously.

    6 details in Everything

39. Introducing Kiro Pro Max seen Jun 29, 2026 · issue 001

    Kiro launches Pro Max tier at $100/month with 5,000 credits and full feature access.

    ⤢
    └──▷ HOW TO FIND IT
    Upgrade to Pro Max mid-cycle without losing progress — charges are prorated and new credits apply immediately.
    📍In the Kiro console, go to Account Settings and select Switch to Pro Max.
    • New Pro Max subscription tier at $100/month sits between Pro+ ($40) and Power ($200), offering 5,000 credits/month (2.5× Pro+) with access to all premium models, specs, custom subagents, powers, and hooks.

    1 detail in Everything

40. Transcript Export, Terminal Titles, and Persistent Model Preferences seen Jun 29, 2026 · issue 001

    Kiro adds transcript export, terminal window titles, launch-time effort control, and persistent model/effort preferences.

    └──▷ TRY IT
    Export a completed investigation session as JSON to attach to a JIRA ticket or feed into a downstream script.
    copy

    $ /transcript save --json

    Launch a quick one-off lookup with minimal reasoning overhead so the response comes back fast.
    copy

    $ kiro-cli chat --effort low

    Enable terminal window titles so you can tell which shell window holds which active Kiro session.
    📍In the Kiro UI, go to /settings › display › Terminal title and enable it, or run /title <session-label> to set a label immediately.
    • New /transcript save command exports full conversation history as markdown, plaintext (--plain), or JSON (--json) for sharing, ticketing, or piping into other tools.
    • New /title command sets or clears the terminal window title, letting practitioners label concurrent Kiro sessions at a glance.
    • New --effort flag for kiro-cli chat sets the reasoning depth (low, medium, high, xhigh, max) at session launch, skipping manual adjustment on every start.
    • Persistent model and effort preferences: /model and /effort choices now auto-save across sessions without requiring /model set-current-as-default.

    4 details in Everything

41. Start Without a Repo, Switch Modes Anytime seen Jun 29, 2026 · issue 001

    Kiro Web lets you start sessions without a GitHub repo and switch to Autonomous mode mid-session.

    ⤢

    ⤢

    ⤢
    └──▷ HOW TO FIND IT
    Prototype or explore a task immediately without needing a GitHub repo ready — connect one later only if the work warrants it.
    📍In the Kiro Web console, open a new session, describe your task, and skip the GitHub repo connection step. Use Connect a repo from the session settings when you're ready to push or pull code.
    Hand off to the autonomous agent mid-conversation once you've refined the task enough through Vibe prompts, without restarting.
    📍In an active Vibe session, after your first prompt exchange, open the mode selector and choose Autonomous mode to let the agent take over from the current context.
    • Enables starting a Kiro Web session without connecting a GitHub repository upfront — attach a repo later if needed.
    • Supports switching to Autonomous mode at any point during a Vibe session, not only at session start.
    • Adds relative timestamps to session messages, with hover-to-reveal absolute timestamps for long-running task tracking.

    3 details in Everything