Rail MCP Server: Install & Setup

Install Rail in Claude Code

Claude Code

claude mcp add rail -- npx -y rail-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "rail": {
      "command": "npx",
      "args": [
        "-y",
        "rail-mcp"
      ]
    }
  }
}

Budgets, propose-then-approve, and receipts for agents that buy for a human. Dry-run by default.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add rail -- npx -y rail-mcp

thearchitect0x-glitch/ratchet

Your agent asks before it acts, so the same real-world action is attempted at most once.

kironovlaziz-del/provenza

Governed MCP gateway: approved tools only, each call policy-checked and recorded per agent

marshally/mcp-refactoring

MCP server exposing Martin Fowler's refactoring catalog to LLMs with 71+ refactorings

samouh-waleed/PrompyAI

Scores your prompts against your real codebase — context-aware prompt intelligence

selvatuple/revibe-mcp

Analyze any codebase — get architecture, file roles, execution flows, and agent context.

Hugelidus/pointcast

Talk and Alt+click on your web app: your agent gets the exact elements and the code behind them.