AGENT SKILLS(7)Protocol ReferenceAGENT SKILLS(7)
NAME
agent-skills — The Agent Skills Specification defines a file-based standard for declaring reusable, modular agent capabilities.
METADATA
VERSION1.0
VENDORAnthropic (open standard)
TRANSPORTFile-based (SKILL.md)
STATUSACTIVE
VERIFIED2026-03-16
LINKS
CONFIG FILES
| Filename | Format |
|---|---|
| SKILL.md | MARKDOWN |
CAPABILITIES
- Skill definition
- Progressive disclosure
- Modular capabilities
- Cross-tool portability
DESCRIPTION
The Agent Skills Specification defines a file-based standard for declaring reusable, modular agent capabilities. Each skill is described by a SKILL.md file containing YAML frontmatter for machine-readable metadata and a markdown body for progressive human-readable documentation. Skills are portable across tools that support the standard.
IMPLEMENTED BY
Coding tools:
Agent frameworks:
EXAMPLES
SKILL.md
markdown
---
name: code-review
version: 1.0.0
description: Reviews code changes for quality, security, and style
inputs:
- name: diff
type: string
description: The code diff to review
- name: language
type: string
description: Programming language of the code
outputs:
- name: review
type: string
description: Structured review with findings and suggestions
dependencies:
tools:
- read_file
- grep
tags:
- code-quality
- review
---
# Code Review Skill
Reviews code changes and provides structured feedback on quality, security vulnerabilities, and style consistency.
## Usage
Provide a code diff and the skill will analyze it for:
- **Security**: Common vulnerability patterns (injection, auth issues)
- **Quality**: Code smells, complexity, error handling
- **Style**: Consistency with project conventions
## Examples
### Basic Review
Invoke with a git diff to get a structured review with severity-ranked findings.
SEE ALSO
Anthropic (open standard)2026-03-16AGENT SKILLS(7)