APIs.guru MCP Server
APIs.
Quick Start Summary
The APIs.guru MCP server is a Model Context Protocol bridge that connects AI assistants — including Claude Desktop, Cursor, Windsurf, and VS Code Copilot — to the APIs.guru API through natural language. It exposes 7 API endpoints as callable tools, such as List all APIs, Get basic metrics, List all providers, and more. No authentication is required — setup takes approximately 30 seconds. The server uses STDIO transport and can be installed by running npx -y @mcp/apis-guru. This integration is sourced from the auto APIs.guru OpenAPI specification (v2.2.0) and has a quality score of 46/99 (fair documentation coverage).
Server Details
- Category
- Communication
- Authentication
- None
- Endpoints
- 7 operations
- Transport
- STDIO
- Spec Version
- v2.2.0
- Install Command
npx -y @mcp/apis-guru
Environment Variables
APIS_GURU_API_KEYExample: your_apis_guru_api_key
Top Endpoints
/list.jsonList all APIs
/metrics.jsonGet basic metrics
/providers.jsonList all providers
/specs/{provider}/{api}.jsonRetrieve one version of a particular API
/specs/{provider}/{service}/{api}.jsonRetrieve one version of a particular API with a serviceName.
One-Click Install
Copy the snippet for your MCP client and paste it in — zero editing required.
Claude Desktop
Add to claude_desktop_config.json
{
"mcpServers": {
"apis-guru": {
"command": "npx",
"args": [
"-y",
"@mcp/apis-guru"
],
"env": {
"APIS_GURU_API_KEY": "your_apis_guru_api_key"
}
}
}
}Cursor
Settings → MCP Servers → Add
{
"mcpServers": {
"apis-guru": {
"url": "https://mcpbridge.org/config/apis-guru.json"
}
}
}Saves as .cursor/mcp.json in the download. Move it to your project root.
VS Code
Use with MCP extension
{
"mcpServers": {
"apis-guru": {
"url": "https://mcpbridge.org/config/apis-guru.json"
}
}
}Endpoints Explorer
Search and browse the 7 operations supported by this server.
Multi-Language Code Examples
Executable code snippets for calling APIs.guru endpoints in curl, TypeScript, or Python.
curl -X GET "https://api.apis.guru/v2/specs/apis.guru/2.2.0/list.json" \ -H "Content-Type: application/json" \ # No auth required
Manual Configuration
Directly add this block to your JSON config file, or use the hosted config registry URL.
{
"mcpServers": {
"apis-guru": {
"command": "npx",
"args": ["-y","@mcp/apis-guru"],
"env": {
"APIS_GURU_API_KEY": "your_apis_guru_api_key"
}
}
}
}Authentication Details
No authentication required. This MCP server runs out-of-the-box.
Documentation Links
Error Handling & HTTP Status Code Matrix
Common status codes, error causes, and resolution steps when invoking APIs.guru endpoints.
400 Bad RequestCause: Malformed payload parameters or missing required fields.
Resolution: Verify request schema in Endpoints tab before calling tool.
401 UnauthorizedCause: Missing or invalid API key credentials.
Resolution: Set environment variable in MCP client config under env object.
403 ForbiddenCause: Insufficient scope permissions for requested resource.
Resolution: Verify key permissions in developer dashboard.
404 Not FoundCause: Resource URL path or requested entity ID does not exist.
Resolution: Check path variables and parameters.
429 Rate Limit ExceededCause: API rate limit quota exceeded.
Resolution: Implement exponential backoff retry in tool call.
500 Internal ErrorCause: Upstream server runtime fault.
Resolution: Inspect STDIO stderr output for log trace.
Quality Score
Checked against our protocol-compliance rules.
Specification Version: v2.2.0
Page compiled on: June 13, 2026
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📖 Detailed MCP Integration Guide
A technical breakdown of capabilities, agent workflows, and security/configuration best practices.
/specs/{provider}/{api}.json endpoint, fetch the specification, and generate code aligned with its exact endpoints, parameters, and schemas. Another powerful workflow involves comparative analysis: "List all APIs from the 'github' provider and identify which ones support webhooks for repository events." The AI would query /providers.json to confirm the provider, then iterate through available APIs using /list.json or provider-specific endpoints to analyze each spec's webhooks section. This enables automated audits, dependency checks, and intelligent recommendation engines, where the AI agent can state, "Based on the latest specs in APIs.guru, the 'aws-lambda' API supports the following authentication methods..." enabling the developer to make informed choices immediately.GET /specs/...) to minimize the agent's operational surface area and focus its capabilities on precise, task-oriented data retrieval.Similar APIs
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