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-mcpOr run directly with uvx:
uvx semanticapi-mcpConfiguration
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"
}
}
}
}





