Agent-first MCP server: AI coding agents find, compare, verify, and stack-build the right open-source tools across 35+ registries (npm, PyPI, Cargo, Maven, Go, RubyGems, NuGet, Hex, Composer, and more). Graph-aware ranking + version-aware compatibility in

{
  "mcpServers": {
    "neurynaetoolcairn": {
      "command": "npx",
      "args": [
        "-y",
        "@neurynae/toolcairn-mcp"
      ]
    }
  }
}