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MCP API Connect

MCP Server

Connect to any REST API with a single command

Stale(65)
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Updated Jul 8, 2025

About

MCP API Connect is a Model Context Protocol server that lets you access any REST API by simply providing its documentation and keys, enabling seamless integration into Claude Desktop workflows.

Capabilities

Resources
Access data sources
Tools
Execute functions
Prompts
Pre-built templates
Sampling
AI model interactions

MCP API Connect in Action

Overview

Model Context Protocol (MCP) API Connect is a lightweight MCP server that bridges AI assistants such as Claude with any RESTful service. By simply supplying the target API’s OpenAPI/Swagger specification and the necessary authentication tokens, developers can expose the full breadth of a REST endpoint to an AI client without writing custom adapters. The server automatically translates MCP tool calls into HTTP requests, handles authentication headers, and streams responses back to the assistant in a structured format. This eliminates the need for manual HTTP client code and allows conversational agents to query external services as if they were native tools.

The core value proposition lies in rapid integration. Instead of building and maintaining a bespoke connector for each third‑party API, developers can register the API documentation once and let MCP generate a fully functional tool set. The server supports common authentication schemes (API keys, OAuth2, bearer tokens) and can inject these credentials into request headers or query parameters based on the spec. When an AI assistant invokes a tool, MCP constructs the appropriate request path, serializes the payload, and forwards it to the target endpoint. The response is then parsed according to the API schema and returned as a structured object that the assistant can easily consume.

Key features include:

  • Automatic tool generation from OpenAPI/Swagger definitions, eliminating boilerplate.
  • Secure credential handling, with support for multiple auth types and secure storage of keys.
  • Transparent request/response mapping, preserving the API’s data contracts for accurate inference.
  • Extensible configuration that allows developers to tweak headers, timeouts, and error handling without code changes.
  • Seamless integration with existing MCP workflows—once registered, the API tools appear in the assistant’s toolbox and can be invoked via natural language.

Typical use cases span a wide spectrum: a sales assistant querying a CRM API for customer details, a data analyst pulling metrics from an analytics platform, or a DevOps bot retrieving deployment status from a CI/CD service. In each scenario, the assistant can ask high‑level questions and receive precise, up‑to‑date information without exposing internal API logic to the user. This streamlines development cycles, reduces security risks by centralizing credential management, and enables AI assistants to act as true “smart” front‑ends for complex backend systems.