peter-j-thompson/semanticapi-mcp
🐍 ☁️ - Natural language API discovery — search 700+ API capabilities, get endpoints, auth setup, and code snippets. Supports auto-discovery of new APIs.
Quick Install
{
"mcpServers": {
"peter-j-thompson-semanticapi-mcp": {
"command": "npx",
"args": [
"-y",
"peter-j-thompson-semanticapi-mcp"
]
}
}
}Using an AI coding agent (Claude Code, Cursor, etc.)? Copy a ready-made prompt that tells it to fetch the setup instructions and install this server for you.
Documentation Overview
Semantic API MCP Server
An MCP (Model Context Protocol) server that lets Claude, ChatGPT, and other LLM agents search and discover APIs using natural language via Semantic API. Ask for any API capability in plain English and get back endpoint details, parameters, auth info, and code snippets.
Install
pip install semanticapi-mcp
Or run directly with uvx:
uvx semanticapi-mcp
Configuration
Get an API Key
Sign up at semanticapi.dev to get your API key.
Environment Variables
| Variable | Required | Default | Description |
|---|---|---|---|
SEMANTIC_API_KEY | Yes | — | Your Semantic API key |
SEMANTIC_API_URL | No | https://semanticapi.dev | API base URL override |
Claude Desktop
Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json):
{
"mcpServers": {
"semanticapi": {
"command": "uvx",
"args": ["semanticapi-mcp"],
"env": {
"SEMANTIC_API_KEY": "your-api-key-here"
}
}
}
}
Or if installed with pip:
{
"mcpServers": {
"semanticapi": {
"command": "semanticapi-mcp",
"env": {
"SEMANTIC_API_KEY": "your-api-key-here"
}
}
}
}
Tools
semantic_query
Search for an API capability using natural language.
Inputs:
query(string, required) — What you want to do, e.g. "send an email with Gmail"auto_discover(boolean, optional, default: true) — Auto-discover new APIs if needed
Example: "Find me an API to convert currencies in real-time"
semantic_discover
Deep discovery of a specific provider/API by name and intent.
Inputs:
provider_name(string, required) — API provider name, e.g. "stripe", "twilio"user_intent(string, optional) — What you want to do with this API
Example: Discover Stripe's capabilities for "process a refund"
semantic_discover_url
Analyze any API from its documentation URL.
Inputs:
url(string, required) — URL of the API documentationuser_intent(string, optional) — What you want to do with this API
Example: Analyze https://docs.example.com/api to generate a provider config
Related
- Semantic API — The hosted API service
- semanticapi-engine — Open source engine (AGPL-3.0)
- semantic-api-skill — Agent framework skill package
- CLI Tool — Command-line interface (
pip install semanticapi-cli)
License
MIT