Toolcairn MCP Server

by neurynae Your server? Claim it

local only

Toolcairn MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 187 installs a week from npm. Last commit 11 May 2026.

MCP server for tool discovery: find, compare, and verify tools across 35+ registries.

Installs per day peak 129 · avg 16 · +150% w/w

a month agotoday

187

Installs / week

npm · @neurynae/toolcairn-mcp

Stars

0 open issues

11 May 2026

Last commit

0 releases in 90 days

MIT

License

TypeScript

What the code does

We read the source, 21 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

File ships in the package but is absent from the source [пакет] bin/toolpilot-mcp.js:1

этот файл ставится пользователю, но в репозитории его нет

Runs an external command packages/remote/src/device-auth.ts:54

    const child = spawn(cmd, args, { detached: true, stdio: 'ignore', shell: false });

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add toolcairn-mcp -- npx -y @neurynae/toolcairn-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

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

~/.codex/config.toml

[mcp_servers.toolcairn-mcp]
command = "npx"
args = ["-y", "@neurynae/toolcairn-mcp"]

.cursor/mcp.json

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

.vscode/mcp.json

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

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Toolcairn MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Toolcairn MCP?

Toolcairn MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @neurynae/toolcairn-mcp was installed 187 times last week.

How do I connect Toolcairn MCP?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @neurynae/toolcairn-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Toolcairn MCP?

The npm package @neurynae/toolcairn-mcp was installed 187 times in the last week. Week over week that is +150%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Toolcairn MCP open source?

Yes — it is published under the MIT licence, written in TypeScript and 3 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.