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Rigour

Rigour is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Quality gates for AI agents. Lint, test, build checks with memory persistence. It has 27 GitHub stars, is released under the MIT license and runs locally with npx -y @rigour-labs/mcp.

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

View on GitHub (opens in a new tab)

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

Your AI agent writes the code. Rigour makes sure it's right before anyone has to review it. Coding agents are fast, and they make mistakes with confidence: an export nothing uses, a query that re-reads the whole table on every page, a fix that came back after the reviewer already flagged it. Today a human finds those at the pull request, round after round. Rigour checks the work while the agent is still writing, at the moments that matter, and the agent fixes it before anyone else has to look.

  • 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.

What is Rigour?

Rigour is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Quality gates for AI agents. Lint, test, build checks with memory persistence. It has 27 GitHub stars, is released under the MIT license and runs locally with npx -y @rigour-labs/mcp. The source code is at github.com/rigour-labs/rigour.

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 7, 2026. The latest release is v6.6.6, published Oct 6, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.