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Agent Skills Specification

Skills Specification

84

The specification and documentation for Agent Skills, the open SKILL.md folder format originally developed by Anthropic.

GitHub stars★ 26,797
LicenseApache-2.0
Last push3mo ago
LanguagePython
Named in README as working with
No specific client named in the README.

Per its own README, as of Oct 30, 2026. Not verified by hand.

Public-signal score

84
SolidPublic-signal score, 84/100Computed Oct 30, 2026 from public GitHub data. Not a hands-on test.
Maintenance (last push)
22/30
License clarity
15/15
Documentation
17/20
Adoption (stars)
17/20

Client compatibility doesn't apply to this project (it is an agent client, framework or specification itself), so the score is computed out of the remaining points.

Hands-on agent test: not yet run

When a sandbox test is run, the result and logs will appear here, labeled separately from the score.

Quick answers

What is Agent Skills Specification?

The specification and documentation for Agent Skills, the open SKILL.md folder format originally developed by Anthropic.

Is Agent Skills Specification open source?

GitHub detects the license as Apache-2.0. Check the repository's LICENSE file before relying on that.

Which clients does Agent Skills Specification work with?

Its README doesn't name a specific agent client.

Is Agent Skills Specification actively maintained?

The last push was 2026-08-09 (3mo ago), as of Oct 30, 2026.

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