v0.4.0

What's Changed

Features

• feat: add the agentskills command line interface by @pratikxpanda in #94
• feat: add a GitHub Action that validates skills on a pull request by @pratikxpanda in #95
• feat: let a registry register a whole provider at once by @pratikxpanda in #98

CI/CD

• ci: bump actions/upload-artifact from 5.0.0 to 7.0.1 by @dependabot[bot] in #104
• ci: bump github/codeql-action/init from 4.37.3 to 4.37.4 by @dependabot[bot] in #103
• ci: bump actions/download-artifact from 6.0.0 to 8.0.1 by @dependabot[bot] in #102
• ci: bump actions/checkout from 7.0.0 to 7.0.1 by @dependabot[bot] in #101
• ci: bump github/codeql-action/analyze from 4.37.3 to 4.37.4 by @dependabot[bot] in #100
• ci: bump github/codeql-action/analyze from 4.37.4 to 4.37.6 by @dependabot[bot] in #114
• ci: bump github/codeql-action/init from 4.37.4 to 4.37.6 by @dependabot[bot] in #115

Other Changes

• docs: open the v0.4 milestone by @pratikxpanda in #91
• docs: document the 0.3 public surface in the README by @pratikxpanda in #92
• chore: document the pull request labels that drive release notes by @pratikxpanda in #93
• chore: drop the TestPyPI path from the publish workflow by @pratikxpanda in #96
• feat: publish a provider conformance suite and test doubles by @pratikxpanda in #97
• deps: bump ruff from 0.16.0 to 0.16.1 by @dependabot[bot] in #99
• deps: bump cryptography from 49.0.0 to 50.0.0 by @dependabot[bot] in #105
• chore: repair the mangled version comments on the CodeQL pins by @pratikxpanda in #106
• feat: let the catalog be narrowed and capped by @pratikxpanda in #107
• feat: measure whether a skill actually helps by @pratikxpanda in #108
• feat: show what a skill costs, and when by @pratikxpanda in #109
• fix: declare pyyaml in the CLI, and check the whole class by @pratikxpanda in #110
• docs: backfill ADRs for v0.4 architecture decisions by @pratikxpanda in #112
• docs: note this laptop cannot lock from PyPI directly by @pratikxpanda in #111
• deps: bump ruff from 0.16.1 to 0.16.2 by @dependabot[bot] in #113
• docs: add versioned MkDocs site and slim the root README by @pratikxpanda in #116
• feat: import foreign instruction formats as skills by @pratikxpanda in #117
• chore: release v0.4.0 by @pratikxpanda in #118
• fix: rename agentskills-cli distribution to agentskills-tools by @pratikxpanda in #119

Full Changelog: v0.3.0...v0.4.0