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ActVer is a free service that makes it easy to look up the latest GitHub Actions versions and commit SHAs — via REST API, MCP server, and web UI.

Stop digging through release pages. Get the version you need in one request.

actver.dev — Web UI & REST API for GitHub Actions version lookup

• Get the latest version + full commit SHA with a single GET request
• No rate-limit headaches — cached and fast
• MCP server for AI coding agents (Claude Code, Cursor, Copilot, etc.)

actver-dev/skills — Plugin & skills for AI coding agents

• Pin actions to SHA — secure your workflows against supply-chain attacks
• Upgrade actions — bump to latest versions automatically
• Audit workflows — detect security issues in your CI/CD pipelines

# Claude Code
claude plugin marketplace add actver-dev/skills
claude plugin install actver

# Other agents (Cursor, Copilot, etc.)
npx skills add actver-dev/skills

Add to your .mcp.json:

{
  "mcpServers": {
    "actver": {
      "type": "http",
      "url": "https://actver.dev/mcp"
    }
  }
}

curl https://actver.dev/v1/actions/actions/checkout

ActVer is a free service. If you find it useful:

• Buy Me a Coffee
• GitHub Sponsors