Mcpindex MCP Server

MCP directory that vets servers: search by task, get an advisory screen (not a safety verdict).

Local serverstdio

What is the Mcpindex MCP server?

MCP directory that vets servers: search by task, get an advisory screen (not a safety verdict). That is what the mcpindex mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

The short version

MCP tool contracts can change remotely with no version bump. mcpindex pins each contract and HOLDs the call when it drifts — before your agent acts. Deterministic contract-diff on your host. Zero credential custody. Not a safety oracle.

The tools it exposes

The server publishes 2 tools. What each one is for:

  • Search — lib/search.ts (keyword now; embeddings v2 when OPENAI_API_KEY is wired)
  • mcp-server — mcpindex (the npm package): MIT

What it needs from you

Configuration is passed through the environment: OPENAI_API_KEY. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Getting it running

mcp-server-mcpindex on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

How it compares

This sits in the file and storage access group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Mcpindex's toolset — Search, mcp-server — is a fair guide to whether it matches your workflow. It is maintained by gautamgb; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
Searchlib/search.ts (keyword now; embeddings v2 when OPENAI_API_KEY is wired)
mcp-servermcpindex (the npm package): MIT.

How to install the Mcpindex MCP server

{
  "mcpServers": {
    "mcpindex": {
      "command": "npx",
      "args": ["-y", "mcp-server-mcpindex"],
      "env": {
        "OPENAI_API_KEY": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
OPENAI_API_KEYCredential the server authenticates with.Yes

Example prompts to try

  • Use Mcpindex to Search.
  • Use Mcpindex to mcp-server.

Frequently asked questions

It connects Mcpindex to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (Search, mcp-server) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Mcpindex directly.