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20 Best PDF MCP Servers — compared and ranked, August 2026Ranked from 1,213 matching servers on stars, growth, downloads and maintenance. Updated .

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"A tool for reading and converting PDF files" matching MCP servers:

  • MCP Think Tool

    DannyMac180
    A
    license
    Not graded
    quality
    D
    maintenance
    An MCP server that implements the 'think' tool, providing Claude with a dedicated space for structured thinking during complex problem-solving tasks to improve reasoning capabilities.
    131
    MIT

  • io.github.DiaaAj/a-mem-mcp

    DiaaAj
    A
    license
    Not graded
    quality
    D
    maintenance
    A-MEM is a self-evolving memory system for coding agents that automatically organizes knowledge into a Zettelkasten-style graph with dynamic relationships, enabling semantic and structural search.
    34
    MIT

  • CHOFF-A-MCP (Anamnesis)

    dd-dent
    A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI consciousness continuity and self-knowledge preservation across sessions using the Cognitive Hoffman Compression Framework (CHOFF) notation. Provides tools to save checkpoints, retrieve relevant memories with intelligent search, and access semantic anchors for decisions, breakthroughs, and questions.
    1
    MIT

  • MCP Tool Factory

    tarunjain15
    F
    license
    Not graded
    quality
    Not graded
    maintenance
    A framework for building hot-loadable MCP tools that feature conversational negotiation, graduated permissions, and zero-downtime updates. It enables persistent state continuity across server restarts and provides a hypothetical evaluation system for tool actions.

  • MCP Think Tool Server

    cgize
    A
    license
    A
    quality
    D
    maintenance
    Implements Anthropic's 'think' tool for Claude, providing a dedicated space for structured reasoning during complex problem-solving tasks that improves performance in reasoning chains and policy adherence.
    4
    1,385
    38
    MIT

  • MCP Think Tool

    piotrpalek
    F
    license
    A
    quality
    D
    maintenance
    An MCP server implementation of Anthropic's Think Tool prompt engineering technique that enables Claude to break down complex problems and enhance its reasoning capabilities by providing a simple tool that echoes back thoughts.
    1
    2

  • ccg-mcp-tool

    diaz3618
    A
    license
    B
    quality
    C
    maintenance
    This is a powerful Model Context Protocol (MCP) server that integrates multiple AI coding agents—Anthropic Claude Code, OpenAI Codex, and Google Gemini—directly into your workflow. It enables seamless cross-provider analysis, leveraging Gemini's massive token window, Codex's specialized coding capabilities, and Claude's advanced reasoning.
    10
    28
    MIT

  • mcp-tool-builder

    hanweg
    A
    license
    B
    quality
    D
    maintenance
    MCP server that builds itself by creating new tools as needed based on user requests (Requires restart of Claude Desktop to use newly created tools).
    4
    24
    The Unlicense

  • Gemini MCP Tool

    jamubc
    A
    license
    C
    quality
    A
    maintenance
    A Model Context Protocol server that enables AI assistants to interact with Google Gemini CLI, allowing them to leverage Gemini's large token window for analyzing files and codebases using natural language commands.
    5
    986
    2,272
    MIT

  • MCP for Vivado

    lzw12123
    F
    license
    C
    quality
    C
    maintenance
    An AI-centric MCP server that enables automated Xilinx Vivado workflows, including project management, synthesis, implementation, and timing analysis. It allows AI agents to drive hardware design processes while integrating directly with the official Vivado GUI for visual context.
    15
    4

  • Tool Filter MCP

    respawn-llc
    A
    license
    Not graded
    quality
    B
    maintenance
    Filters and blocks specific tools from upstream MCP servers using regex patterns to reduce context pollution and remove unwanted tools from AI agent interactions.
    145
    36
    MIT

  • mcp-tool-gateway

    chandanCoding
    A
    license
    Not graded
    quality
    C
    maintenance
    A secure tool-execution plane for agentic AI that enforces JWT authentication, rate limiting, prompt-injection inspection, and audit logging, while ingesting downstream OpenAPI endpoints as MCP tools.
    MIT

  • claude-for-hermes

    7D-codes
    A
    license
    Not graded
    quality
    B
    maintenance
    A local MCP server that lets Hermes supervise Claude Code, delegating focused coding, research, or review tasks to the Claude Code CLI and managing worker sessions, background jobs, cancellations, and read-only reviews.
    2
    MIT

  • call-a-human-mcp

    nishantmodak
    A
    license
    Not graded
    quality
    D
    maintenance
    An MCP server that enables AI agents to pause and request human approval or information via Slack, Telegram, or macOS dialogs before proceeding with actions.
    14
    Apache 2.0