Toolchain Lens MCP Server: Install & Setup

Install Toolchain Lens in Claude Code

Claude Code

claude mcp add toolchain-lens -- npx -y toolchain-lens-mcp

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

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

Local explanation of reproducibility signals and toolchain contradictions without exact versions...

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 toolchain-lens -- npx -y toolchain-lens-mcp

piyushpathakqa/Vigilis

Gate AI-written tests: heal safe drift, refuse to hide real bugs, sign a verifiable receipt.

mrfentmen/time-tools-mcp

Convert timestamps, compute date differences, and format durations locally. No network and no key.

dizzlkheinz/ynab-mcpb

Local-first YNAB MCP for reconciliation, receipt splitting, safe cleanup, and spending analysis

mrfentmen/star-wars-mcp

Look up Star Wars people, planets, and starships from the SWAPI mirror. No key required.

connectmachine/mcp-server

Manage your ConnectMachine contacts, networks, events, and digital business cards.

mrfentmen/speedrun-mcp

Use this MCP server to speedrun.com, world records, category leaderboards, and runner profiles....