Rails Agent Skills MCP Server

A catalog of 28 Rails skills and 9 personas that teach agents how to test, implement, and review Rails work. Process skills (TDD gates, YARD, DDD, service objects) live in ruby-core-skills. Install both.

People who need documentation tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in Shell.

VERIFIED ACTIVE

LAST COMMIT 2026-08-21 · ★ 23 · #126 OF 183 MAINTAINED DOCUMENTATION · VERIFIED 2026-08-25

MIT · Shell · how we verify → /methodology

01 · Install Rails Agent Skills

Docker

docker run -i --rm docker.io/igmarin/rails-agent-skills-mcp:5.1.7

Claude Desktop - add to config

{
  "mcpServers": {
    "igmarin-rails-agent-skills": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/igmarin/rails-agent-skills-mcp:5.1.7"
      ]
    }
  }
}

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as container (OCI image) - can be sandboxed away from your filesystem

license MIT - declared in the repository

registry namespace io.github.igmarin is GitHub-verified and matches the repo owner

03 · What Rails Agent Skills can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v5.2.1 · 2026-05-16

Finally docker is green

v5.2.0 · 2026-05-16

Using Docker with Ruby 4.0.4

v5.1.18 · 2026-05-16

Docker security & Gems updated

04 · Who maintains Rails Agent Skills

Rails Agent Skills is maintained by igmarin. It's the only MCP server we track from this author; the repo dates to Mar 2026.

05 · Facts

repository: github.com/igmarin/rails-agent-skills
category: documentation - ranked #126 of 183 actively-maintained documentation servers as of 2026-08-25.
registry: io.github.igmarin/rails-agent-skills-mcp (active, first published 2026-05-11 · 5 versions)
packages: oci:docker.io/igmarin/rails-agent-skills-mcp:5.1.7

06 · Rails Agent Skills FAQ

What is Rails Agent Skills?

Is Rails Agent Skills still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-21. We re-verify nightly.

How do I install Rails Agent Skills?

Run `docker run -i --rm docker.io/igmarin/rails-agent-skills-mcp:5.1.7`. You can also paste the ready-made client config above.

07 · Alternatives to Rails Agent Skills

Alternatives to Rails Agent Skills

Maintained documentation servers if Rails Agent Skills isn't the fit.

Pairs well with

Servers that cover what Rails Agent Skills doesn't - only shown when the pairing reason fits the companion.

More documentation MCP servers · Workfile · Memograph · Infobip MCP Server · Agent Memory MCP · Postgram