MCP OpenAPI Schema Explorer enables clients to explore large OpenAPI (v3) and Swagger (v2.0) specifications using MCP Resources. It supports loading specs from local or remote sources, automatically converting Swagger v2.0 to v3.0, and offers structured resource URIs for detailed API exploration. Designed to minimize token usage, it enhances client-side API understanding without loading entire specs into memory.
Added on:
Created by:
Apr 28 2025
MCP OpenAPI Schema Explorer enables clients to explore large OpenAPI (v3) and Swagger (v2.0) specifications using MCP Resources. It supports loading specs from local or remote sources, automatically converting Swagger v2.0 to v3.0, and offers structured resource URIs for detailed API exploration. Designed to minimize token usage, it enhances client-side API understanding without loading entire specs into memory.
Added on:
Created by:
Apr 28 2025
Aleksandr Kadykov
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What is MCP OpenAPI Schema Explorer?
This MCP server offers token-efficient, structured access to OpenAPI and Swagger API specifications via MCP Resources. It allows clients like Cline or Claude Desktop to browse API info, paths, operations, and components through intuitive URIs, avoiding the need to load entire large files into context windows. It supports both local files and remote URLs, converting Swagger 2.0 specs to OpenAPI 3.0 automatically. The server provides various output formats including JSON and YAML, transforms internal references into clickable links, and adapts server names based on API info. It focuses on read-only exploration, making it ideal for API documentation, testing, and understanding large API specs efficiently.
Who will use MCP OpenAPI Schema Explorer?
- API developers
- API testers
- Documentation writers
- MCP client integrators
- Technical researchers
How to use the MCP OpenAPI Schema Explorer?
- Step1: Install or set up the MCP server via npx, Docker, or local build as per your environment.
- Step2: Configure your MCP client (e.g., Claude Desktop) to add the MCP server using the appropriate method.
- Step3: Load your OpenAPI or Swagger specification by specifying its URL or local path in the client configuration.
- Step4: Use resource URIs like openapi://info or openapi://paths to explore the API structure.
- Step5: Navigate through components, paths, or operations using the provided MCP resource templates.
MCP OpenAPI Schema Explorer's Core Features & Benefits
The Core Features
- Explore API info, paths, components via URIs
- Support for OpenAPI v3.0 & Swagger v2.0 with conversion
- Load specifications from local files or remote URLs
- Multiple output formats: JSON, YAML, minified JSON
- Transform internal $ref into clickable links
- Dynamic server name based on API info
The Benefits
- Efficient exploration of large API specs without heavy memory load
- Minimized token usage for LLM-based clients
- Structured, easy-to-navigate API data
- Flexible deployment methods for different environments
- Automatic format conversion and reference transformation
MCP OpenAPI Schema Explorer's Main Use Cases & Applications
- API documentation generation tools
- API interface testing & validation
- Large API specification browsing within MCP clients
- Automated API schema validation
- API onboarding & developer support
FAQs of MCP OpenAPI Schema Explorer
Developer
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