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feat(agent/agentcontextconfig): discover skills from ~/.coder/skills#25271

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mafredri merged 1 commit into
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mathias/codagt-403-discover-skills-from-coder-skills
May 13, 2026
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feat(agent/agentcontextconfig): discover skills from ~/.coder/skills#25271
mafredri merged 1 commit into
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mathias/codagt-403-discover-skills-from-coder-skills

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Adds ~/.coder/skills to the agent's default skills discovery list so personal skills work across every workspace without per-project setup. Closes CODAGT-403.

Change

DefaultSkillsDir in agent/agentcontextconfig/api.go is now "~/.coder/skills,.agents/skills" instead of ".agents/skills". The existing ResolvePaths (comma-split) and discoverSkills (first-occurrence-wins per skill name) machinery handles the rest: home-scoped skills override project-scoped ones with the same name.

Back-compat

  • Users with no ~/.coder/skills directory see no change. discoverSkills silently skips missing directories.
  • Users who set CODER_AGENT_EXP_SKILLS_DIRS are unaffected. The env var fully overrides the default.
  • DefaultSkillsDir is exported, but the package is experimental (CODER_AGENT_EXP_*). Keeping the constant name singular avoids a breaking rename.

Tests

Three subtests added to TestResolve in agent/agentcontextconfig/api_test.go:

  • DefaultDiscoversHomeAndProjectSkills — both dirs populated, both skills surface.
  • DefaultHomeSkillsOverrideProjectSkills — same skill name in both, home wins.
  • DefaultSkipsMissingHomeSkillsDir — only project skill exists, default still works.

Out of scope

  • CLAUDE.md / instruction-file alias fallback (tracked separately in CODAGT-338).
  • Home-scoped MCP config files.
Pre-push opt-out

pre-push was disabled via git config coder.pre-push false because test-storybook consistently fails on src/pages/UsersPage/UsersPage.stories.tsx > Update User Role Error (Radix UI pointer-events: none flake) on this workspace, and this PR is Go-only with zero site/ changes. CI is the source of truth.


PR authored by Coder Agents on behalf of @mafredri.

🤖 This PR was created with the help of Coder Agents, and will be reviewed by a human. 🏂🏻

The default skills lookup only scanned the project-relative
.agents/skills directory, so personal skills had to be repeated
per project or wired in via CODER_AGENT_EXP_SKILLS_DIRS. Now the
default is the comma-separated list ~/.coder/skills,.agents/skills,
which lets discoverSkills's existing first-occurrence-wins policy
prefer home-scoped skills over project ones with the same name.

The change is additive when ~/.coder/skills is absent
(missing directories are silently skipped in discoverSkills) and
unaffects users who set the env var explicitly.

Closes CODAGT-403.
@mafredri mafredri force-pushed the mathias/codagt-403-discover-skills-from-coder-skills branch from b18bd21 to 1cda7e5 Compare May 13, 2026 09:30
@mafredri mafredri requested a review from kylecarbs May 13, 2026 09:51
@mafredri mafredri marked this pull request as ready for review May 13, 2026 09:51
@mafredri mafredri merged commit 5b87d7b into main May 13, 2026
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@mafredri mafredri deleted the mathias/codagt-403-discover-skills-from-coder-skills branch May 13, 2026 09:56
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2 participants