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"Free Graph and Network Visualization Tools (No API Key Required)" matching MCP servers:

  • Graph-Tools

    dromologue
    F
    license
    -
    quality
    D
    maintenance
    Provides tools for AI-powered graph analysis, including relationship extraction, adjacency matrix creation, and network centrality calculations. It enables users to perform complex structural analysis and generate interactive D3.js visualizations from structured data.
    Last updated

  • LinkedIn Sales Navigator No

    BACH-AI-Tools
    A
    license
    -
    quality
    D
    maintenance
    Provides access to the LinkedIn Sales Navigator API without requiring browser cookies for authentication. It enables AI assistants to interact with sales data and various utility endpoints including TV Maze and deck of cards.
    Last updated
    MIT

  • io.github.AIops-tools/network

    AIops-tools
    A
    license
    -
    quality
    B
    maintenance
    Provides MCP tools for governed multi-vendor network device operations, including configuration management (backup, diff, merge, replace, rollback) and read-only queries (facts, interfaces, BGP, LLDP, ARP) via NAPALM, with optional NetBox source-of-truth integration.
    Last updated
    MIT

  • mcp-api-tools

    rog0x
    A
    license
    A
    quality
    D
    maintenance
    A comprehensive suite of HTTP and API testing tools that enables AI agents to perform requests, check endpoint health, and decode JWTs. It also provides utilities for URL parsing and detailed security analysis of HTTP response headers.
    Last updated
    5
    46
    MIT

  • No MCP

    clafoutis42
    A
    license
    -
    quality
    C
    maintenance
    A satirical MCP server that responds to any query with 'no' and a creative reason, wrapping the NaaS (No as a Service) API for humorous interactions.
    Last updated
    5
    GPL 3.0

  • MCP Weather Free

    microagents
    A
    license
    -
    quality
    D
    maintenance
    An MCP server that provides real-time weather data, hourly forecasts, and daily summaries using the free Open-Meteo API with no API key required. It enables users to search for weather conditions by specific coordinates or city names across multiple measurement units.
    Last updated
    1
    MIT

  • MCP API Tools

    jamalexfo
    F
    license
    -
    quality
    D
    maintenance
    FastAPI server with Google Gemini AI integration that provides auto-routing to multiple tools including weather, news, web search, dictionary, and quotes APIs through natural language prompts.
    Last updated

  • n8n-free-mcp

    jserna0001
    A
    license
    A
    quality
    C
    maintenance
    Free and open-source MCP server for managing n8n workflows, executions, and tags via n8n's API. Enables workflow creation, activation, debugging, and deletion from any MCP client.
    Last updated
    12
    1
    MIT
  • Swap API by Swap-API

    Swap APIofficial

    Swap-API
    A
    license
    -
    quality
    D
    maintenance
    Free DEX aggregator API that returns executable swap calldata across 46 EVM chains. No API key required. Single GET request returns ready-to-sign transactions for any token pair.
    Last updated
    23
    MIT

  • MCP Data Visualization Server

    xoniks
    A
    license
    -
    quality
    F
    maintenance
    Enables creating interactive data visualizations from natural language queries using DuckDB for local databases or Databricks for enterprise data warehouses. Supports multiple chart types, CSV imports, SQL queries, and automatic statistical analysis through Claude Desktop.
    Last updated
    19
    MIT

  • credential-free

    skutry
    A
    license
    -
    quality
    C
    maintenance
    Scans code for exposed secrets, API keys, tokens, and credentials across 69 patterns covering cloud services, AI platforms, payment providers, authentication services, and databases.
    Last updated
    MIT

  • The Graph Token API MCP

    pinax-network
    A
    license
    -
    quality
    F
    maintenance
    Official MCP server that turns The Graph’s Token API into a plug-and-play web3 data tool. Exposes ERC-20 & NFT metadata, balances, transfers, top-holder stats, prices, and more, allowing LLMs to run SQL queries on structured and indexed blockchain data.
    Last updated
    2
    Apache 2.0

  • safe-key-mcp

    Yormede
    A
    license
    -
    quality
    C
    maintenance
    MCP server enabling AI agents to use secrets (API keys, tokens) via encrypted vault, executing HTTP/shell/SSH actions server-side while never exposing secret values to the AI.
    Last updated
    MIT