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112,495 servers. Updated
20 Best PDF MCP Servers: compared and ranked, October 2026Ranked from 2,029 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables agents to discover how a website serves its data, verify sources with evidence, export OpenAPI 3.1, and generate tested TypeScript or Python clients.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables MCP clients to expose selected operations from local OpenAPI 3.0/3.1 documents as tools, with stdio serving or generated standalone server projects and read-only defaults.
    14 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    A stdio MCP server that audits other MCP servers over the live protocol. It connects to any MCP target (stdio or HTTP), lints every tool's schema for agent-usability, then actually calls the tools with deliberately broken inputs to see how the server handles them, and returns a 0–100 conformance score with a per-dimension breakdown rendered as Markdown.
    6
    20 npm
    6
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables precise measurement of live HTTP and WebSocket services while maintaining an append-only, evidence-based ledger of claims that agents can query with explicit timestamps, staleness indicators, and instructions for re-verification.
    6
    BSD Zero Clause
  • A
    license
    A
    quality
    C
    maintenance
    A read-only API change deploy gate for AI coding agents that analyzes OpenAPI specs to determine if changes are safe to deploy. It provides tools for comparing specs, explaining breaking changes, and generating migration guides.
    5
    35 npm
    MIT
  • F
    license
    A
    quality
    C
    maintenance
    A read-only MCP server that exposes Automeli's public API documentation (v2 canonical, v1 frozen) to LLMs via fetch and cache over www.automeli.com artifacts. It enables listing, searching, and retrieving endpoints, OpenAPI specs, error explanations, code snippets, and end-to-end flow guides.
    7
    -
  • F
    license
    A
    quality
    D
    maintenance
    An MCP server for interacting with Treasure Data API, allowing users to retrieve database information and check server status through natural language queries.
    23
    -
  • F
    license
    A
    quality
    C
    maintenance
    Enables natural language interaction with the XMPie uStore BackOffice REST API, providing tools to list, search, describe, and execute API endpoints with server-side authentication, read-only by default.
    5
    -
  • A
    license
    A
    quality
    B
    maintenance
    Enables AI agents to discover and read Typeship API documentation and execute API operations through schema-validated MCP tools, with optional read-only mode and configurable result limits.
    3
    125 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Let AI agents operate your webhook gateway: inspect failed deliveries, read payloads, replay dropped events, and fire test webhooks.
    4
    112 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Free JSON Schema validation, JSON to TypeScript, CSV to JSON, JSON repair and JSON to CSV for AI agents. Hosted MCP plus local STDIO. Connect once with a scoped key; enforce tool allowlists and quotas, inspect request IDs. Runnable repair → validate → CSV workflow. Bounded OpenAPI and webhook checks. No LLM calls or payments. Setup: invokeport.com/agents.
    3
    77 npm
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Converts any OpenAPI/REST API into MCP tools with dynamic server switching, variable substitution, and runtime configuration. Enables seamless interaction with multiple API environments through natural language without pre-configuration.
    12
    5
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI agents to send HTTP requests to any endpoint with full control over methods, headers, query parameters, and request bodies.
    1
    14 npm
    MIT
  • F
    license
    A
    quality
    D
    maintenance
    Converts natural language queries into valid GraphQL queries and executes them against GraphQL APIs. Includes schema introspection, query validation, execution with authentication, and query history tracking.
    5
    26
    -
  • A
    license
    A
    quality
    B
    maintenance
    Enables users to turn any API's documentation into a tested MCP server whose tools expose the API's own operations, with linting, contract tests, and live verification. It accepts OpenAPI/Swagger, Postman, RAML, WSDL, GraphQL, RSS, and HTML docs.
    14
    36 PyPI
    Apache 2.0