# Does STRING have an MCP server?

**Yes — Official.** STRING maintains an official MCP server.

## Facts

- Verdict: Official (Yes)
- Access: Remote server — Hosted by the vendor — no install, connect over HTTP with OAuth or a token.
- Endpoint: `https://mcp.string-db.org/`
- Repository: [meringlab/string-mcp](https://github.com/meringlab/string-mcp) — ★ 7, last push 2026-09-29, MIT
- Maintainer: Christian von Mering's lab
- Language: Python
- Category: [Biology, Medicine and Bioinformatics](https://mcpyet.com/category/biology-medicine-and-bioinformatics/)
- Verified against vendor docs: 2026-09-29
- GitHub data refreshed: 2026-09-29 (re-checked every 6 hours)

## What it does

> STRING MCP server
> — how [meringlab/string-mcp](https://github.com/meringlab/string-mcp) describes itself

Project site: <https://string-db.org>

## The receipts

- **Vendor-hosted (remote):** `https://mcp.string-db.org/` — a remote server run by STRING itself, nothing to install. Documented at <https://mcp.string-db.org/>.
- **Official repository:** [meringlab/string-mcp](https://github.com/meringlab/string-mcp) — ★ 7, pushed 2026-09-29, MIT (active)

## How to connect it

Hosted by the vendor — no install, connect over HTTP with OAuth or a token.

### Claude Code

```sh
claude mcp add --transport http stringdb https://mcp.string-db.org/
```

Add `--scope user` to make it available in every project.

### Claude Desktop

1. Open **Settings → Connectors**
2. Click **Add custom connector**
3. Paste `https://mcp.string-db.org/`
4. Finish the sign-in prompt, then enable it in the chat's tools menu

### Cursor

Add to `.cursor/mcp.json` in your project, or `~/.cursor/mcp.json` for every project:

```json
{
  "mcpServers": {
    "stringdb": {
      "url": "https://mcp.string-db.org/"
    }
  }
}
```

### VS Code

Add to `.vscode/mcp.json`, then pick the server from Copilot's agent-mode tools menu:

```json
{
  "servers": {
    "stringdb": {
      "type": "http",
      "url": "https://mcp.string-db.org/"
    }
  }
}
```

### ChatGPT

1. Enable **Developer mode** under Settings → Apps & Connectors → Advanced
2. Choose **Create** and paste `https://mcp.string-db.org/`
3. Complete sign-in, then enable the connector in a new chat

## How we know

Published to the MCP Registry under STRING's verified namespace org.string-db, with source in the meringlab/string-mcp repo of the von Mering lab that maintains STRING; the hosted endpoint mcp.string-db.org answers MCP initialize with 200 without auth.

- GitHub data refreshed 2026-09-29, then every 6 hours.
- Vendor docs verified on 2026-09-29.
- Corrections: hello@mcpyet.com.

## Also in Biology, Medicine and Bioinformatics

- [PubMed](https://mcpyet.com/mcp/pubmed.md) — Community only (Sort of)
- [Longevity Genie](https://mcpyet.com/mcp/longevity-genie.md) — Official (Yes)
- [Longevity Genie](https://mcpyet.com/mcp/longevity-genie-synergy-age.md) — Official (Yes)

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Source: https://mcpyet.com/mcp/string-db/ — data refreshed 2026-09-29