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docs: Fix broken documentation links in llms.txt #6108

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Description

@QueryPlanner

Priority: Low

Level of Effort: Low

Description

Multiple links in llms.txt are broken (returning 404) due to recent documentation reorganizations and file removals in the google/adk-docs repository. This issue tracks updating the outdated references so all links resolve successfully to their new locations.

Verification / Definition of Done (Passing Criteria)

To verify this issue is resolved without relying on manual user interaction:

  1. A python-based validation script must extract all URLs from llms.txt and verify that each URL returns an HTTP 200 status code.
  2. The verification script must run automatically and exit with code 0 on success, or code 1 if any URL is broken or returns an error.
  3. Running python3 -c "import re, urllib.request; ..." (as outlined in the reproduction) must return no failures.

Sources

  • Current llms.txt file: llms.txt in the main branch of google/adk-python
  • Official Documentation repository: https://github.com/google/adk-docs
  • Detailed mapping of broken paths to their updated counterparts:
Old Link Correct New Link
https://github.com/google/adk-docs/blob/main/docs/agents/models.md https://github.com/google/adk-docs/blob/main/docs/agents/models/index.md
https://github.com/google/adk-docs/blob/main/docs/agents/multi-agents.md https://github.com/google/adk-docs/blob/main/docs/workflows/index.md
https://github.com/google/adk-docs/blob/main/docs/community.md https://github.com/google/adk-docs/blob/main/docs/community/index.md
https://github.com/google/adk-docs/blob/main/docs/contributing-guide.md https://github.com/google/adk-docs/blob/main/docs/community/contributing-guide.md
https://github.com/google/adk-docs/blob/main/docs/deploy/agent-engine.md https://github.com/google/adk-docs/blob/main/docs/deploy/agent-runtime/index.md
https://github.com/google/adk-docs/blob/main/docs/get-started/quickstart.md https://github.com/google/adk-docs/blob/main/docs/get-started/python.md
https://github.com/google/adk-docs/blob/main/docs/get-started/testing.md https://github.com/google/adk-docs/blob/main/docs/evaluate/index.md
https://github.com/google/adk-docs/blob/main/docs/observability/arize-ax.md https://github.com/google/adk-docs/blob/main/docs/integrations/arize-ax.md
https://github.com/google/adk-docs/blob/main/docs/observability/phoenix.md https://github.com/google/adk-docs/blob/main/docs/integrations/phoenix.md
https://github.com/google/adk-docs/blob/main/docs/sessions/session.md https://github.com/google/adk-docs/blob/main/docs/sessions/session/index.md
https://github.com/google/adk-docs/blob/main/docs/streaming/custom-streaming-ws.md https://github.com/google/adk-docs/blob/main/docs/streaming/index.md
https://github.com/google/adk-docs/blob/main/docs/streaming/custom-streaming.md https://github.com/google/adk-docs/blob/main/docs/streaming/index.md
https://github.com/google/adk-docs/blob/main/docs/tools/authentication.md https://github.com/google/adk-docs/blob/main/docs/tools-custom/authentication.md
https://github.com/google/adk-docs/blob/main/docs/tools/built-in-tools.md https://github.com/google/adk-docs/blob/main/docs/integrations/index.md
https://github.com/google/adk-docs/blob/main/docs/tools/function-tools.md https://github.com/google/adk-docs/blob/main/docs/tools-custom/function-tools.md
https://github.com/google/adk-docs/blob/main/docs/tools/google-cloud-tools.md https://github.com/google/adk-docs/blob/main/docs/integrations/index.md
https://github.com/google/adk-docs/blob/main/docs/tools/index.md https://github.com/google/adk-docs/blob/main/docs/tools-custom/index.md
https://github.com/google/adk-docs/blob/main/docs/tools/mcp-tools.md https://github.com/google/adk-docs/blob/main/docs/tools-custom/mcp-tools.md
https://github.com/google/adk-docs/blob/main/docs/tools/openapi-tools.md https://github.com/google/adk-docs/blob/main/docs/tools-custom/openapi-tools.md
https://github.com/google/adk-docs/blob/main/docs/tools/third-party-tools.md https://github.com/google/adk-docs/blob/main/docs/integrations/index.md

Activity

  1. added
    documentation[Component] This issue is related to documentation, it will be transferred to adk-docs
    on Jun 13, 2026
  2. added theissue type on Jun 13, 2026
  3. self-assigned this
    on Jun 15, 2026
  4. zichen0116 commented on Jun 15, 2026

    @zichen0116

    I ran into some of these broken links while browsing the docs — looks like the path restructuring in adk-docs shifted a bunch of files around. The mapping in the issue description is pretty clear, happy to put up a PR that updates the links in llms.txt if that'd be helpful.

  5. llalitkumarrr commented on Jun 16, 2026

    @llalitkumarrr
    Collaborator

    Hello @QueryPlanner ,

    Thank you for flagging this, we will get this issue fixed. We appreciate your patience in the meantime.

    #6138 should fix this issue could you please have a look at it and share your inputs?

  6. added
    request clarification[Status] The maintainer need clarification or more information from the author
    on Jun 16, 2026
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