# meta-data-mcp

One MCP server that picks the right open-data source for a query. Useful when you need a dataset fast instead of wiring up dozens of APIs yourself.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI · ★ 5
- Author: derekslinz
- License: MIT · policy=link-only · description only; the file stays with the author
- Source: https://github.com/derekslinz/meta-data-mcp
- Updated: 2026-10-23
- HTML: https://affpapa.org/en/nevibecode/mcp/meta-data-mcp

## What it does

Under the hood `meta-data-mcp` bundles dozens of plugins, each wrapping a separate open-data API. Your model sees a single server: it calls `opendata_providers_find` with something like "FX rates" or "earthquakes", the server scores the query against an internal registry and returns ranked matches. Then the model activates a provider with `opendata_providers_activate` and calls its tools directly.

Plugins are not installable, runnable or addressable on their own — they load when the server starts. The server level exposes 13 meta tools; the bundled plugins contribute roughly 330 tools. You can also add new ones: `opendata_plugins_draft` builds and validates a YAML spec, and `opendata_plugins_create` runs the generator.

You need `uv` installed. Registration across clients goes through `uv run meta-data-mcp setup`, which detects your MCP clients and writes a single `meta-data-mcp` entry under `mcpServers`, backing up each existing config to `<file>.bak`. Without `uv` on the machine the client has nothing to launch.

## Requirements
- Needs: Python and uv (commands run via uvx)

## Install

### Claude Code (native platform)

**Platform CLI**
```bash
claude mcp add meta-data-mcp -- uvx meta-data-mcp
```
uvx runs the command named after the package; if the README names another one, use uvx --from meta-data-mcp <command>

### Codex

**Platform CLI**
```bash
codex mcp add meta-data-mcp -- uvx meta-data-mcp
```
uvx runs the command named after the package; if the README names another one, use uvx --from meta-data-mcp <command>

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "meta-data-mcp": {
            "command": "uvx",
            "args": [
                "meta-data-mcp"
            ]
        }
    }
}
```
uvx runs the command named after the package; if the README names another one, use uvx --from meta-data-mcp <command>

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "meta-data-mcp": {
            "type": "stdio",
            "command": "uvx",
            "args": [
                "meta-data-mcp"
            ]
        }
    }
}
```
uvx runs the command named after the package; if the README names another one, use uvx --from meta-data-mcp <command>

### Gemini CLI

**Platform CLI**
```bash
gemini mcp add meta-data-mcp uvx meta-data-mcp
```
uvx runs the command named after the package; if the README names another one, use uvx --from meta-data-mcp <command>

## When to use it
- find a matching open dataset from a free-text query
- pull data from a government or science API without hunting for it
- register one server instead of many separate ones
- draft a new plugin for a source that isn't covered yet
- check which providers are active in the current session

## Example prompts
- Find a data source for earthquakes near Lisbon
- Activate the FX rates provider and list its tools
- Draft a plugin YAML spec for a new open API

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