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20 Best PDF MCP Servers: compared and ranked, November 2026Ranked from 2,140 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
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    A
    quality
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    maintenance
    An MCP server that extracts energy-usage charts from utility-bill PDFs, returning structured time-series data and annotated images.
    1
    AGPL 3.0
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    license
    B
    quality
    B
    maintenance
    Enables users to create, validate, view, and export system stock-and-flow maps from a versioned JSON model through MCP-capable hosts over local stdio or hosted Streamable HTTP. Supports causal-loop and nested-level mapping while keeping submitted model content with the caller and requiring no LLM provider key.
    5
    64 npm
    GPL 3.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables Codex to control a Gephi 3D network view through natural language, including network generation, 3D layout, node focus and neighbor highlighting, layered views, and PNG/PDF export.
    1
    MIT
  • F
    license
    Not graded
    quality
    B
    maintenance
    Options analytics an agent can drive: import a permitted chain, solve implied volatility, build a sixteen-Greek ladder, map dealer gamma walls, rank twenty-three structures, run a GARCH-t simulation with a convergence gate, and backtest with modelled premiums. Twelve stdio tools; every output is a schema-validated JSON file with source, assumptions and a degraded flag. Research only, no orders.
    5
    -
  • A
    license
    A
    quality
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    maintenance
    Renders OHLCV data as candlestick chart PNGs and returns inline images. It is a pure renderer with no network access, allowing models to view charts generated from provided data.
    1
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables Claude Code to create and edit presentation-grade visualizations such as cloud architecture diagrams, charts, KPI dashboards, and poster infographics, with auto-layout, themes, and export to SVG, PNG, JPG, and PDF.
    6
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables natural language management of Zuar Portal instances, including authoring HTML blocks, building pages, managing data sources, queries, themes, and users, with versioned and revertible changes.
    40
    MIT
  • A
    license
    A
    quality
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    maintenance
    A Model Context Protocol (MCP) server that exposes tools for exploring and querying SQLite and PostgreSQL databases. It allows Large Language Models (LLMs) to inspect table structures, perform statistical profiling, generate entity-relationship diagrams, and execute queries safely.
    7
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    An MCP server that enables LLMs to create and open diagrams in draw.io using XML, Mermaid, or CSV formats, by building a URL with compressed content and opening it in the browser.
    3
    89 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables natural-language interaction with Ladybug Tools for building performance simulation, 3D modeling, and data visualization, allowing agents to perform complex environmental analysis tasks without CAD software.
    3
    35 PyPI
    12
    GPL 3.0
  • F
    license
    A
    quality
    B
    maintenance
    Exposes NeuroGraph's scientific API to AI models as MCP tools, enabling them to query, analyze, and visualize brain networks — regions, tracts, connectivity, literature, and cross-species homologies — drawn from a portable SSD-based neuroimaging data library. Lets models read real atlas data, load datasets, compute graph metrics, and produce visualization scene descriptors without acting as the scientific engine itself.
    12
    3
    -
  • A
    license
    Not graded
    quality
    Not graded
    maintenance
    IFC/BIM toolkit with a free browser 3D viewer: validate IFC with a 0–100 Health Score, check buildingSMART IDS 1.0, read DXF drawings, and open models, floor plans, 3D sketches and live digital twins in 3D. Validation runs locally and files are not uploaded.
    10
    5 npm
    18
    MIT
  • F
    license
    A
    quality
    D
    maintenance
    MCP server for building and maintaining Hex notebooks from Claude Code. Wraps the Hex API with design-system-aware chart injection, notebook diagnostics, and full cell lifecycle management.
    18
    -
  • A
    license
    A
    quality
    B
    maintenance
    Enables building, editing, reading and converting spreadsheets through file-in/file-out tools, including live formulas, tables, conditional formatting, charts and PivotTables. Supports xlsx, csv, tsv, json, html and pdf input and output on Windows, macOS and Linux.
    9
    Apache 2.0