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Rigour

Rigour is an MCP server that lets coding agents review their change, find an existing helper, and recall the team's lessons. It has 29 GitHub stars, is released under the MIT license and runs locally with npx -y @rigour-labs/mcp. It works with Claude Desktop, Claude Code, Cursor and VS Code.

github.com/rigour-labs/rigour (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Rigour

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "rigour": {
      "command": "npx",
      "args": [
        "-y",
        "@rigour-labs/mcp"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio rigour -- npx -y @rigour-labs/mcp

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "rigour": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@rigour-labs/mcp"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "rigour": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@rigour-labs/mcp"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Rigour

A reviewer that knows how your team works, whichever agent writes the code. Whichever agent your engineers use, its work arrives already shaped by how your team builds software, and it gets closer to your standards every week.

  • agentic-workflow
  • ai
  • ai-agents
  • code-quality
  • developer-productivity
  • devtools
  • guardrails
  • lint
  • llm
  • mcp

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FAQ

Rigour FAQ

Still curious? Email info@appsgit.com.

How do I install the Rigour MCP server?

Add the command npx -y @rigour-labs/mcp to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Rigour free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Rigour actively maintained?

The most recent commit was on Oct 19, 2026. The latest release is v7.0.14, published Oct 19, 2026. appsgit only lists MCP servers with a commit in the last six months.