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Compare MCP servers

Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionDraw.io MCP ServerLet AI create and edit Draw.io diagrams directly.Hevy MCPManage your Hevy workout data from AI assistants via MCP.Firecrawl MCP ServerFirecrawl's official MCP server for web search, scraping, and structured extraction for AI agents
FMRS52 / 100 · D77 / 100 · B75 / 100 · B
Reliability8 / 2012 / 2013 / 20
Security and permissions7 / 2016 / 2012 / 20
Maintenance10 / 2016 / 2016 / 20
Documentation13 / 2018 / 2017 / 20
Setup experience14 / 2015 / 2017 / 20
Best for
  • Teams that want AI to generate or maintain Draw.io diagrams
  • Users of Claude Desktop, Claude Code, Zed, Codex, or OpenCode
  • Diagram workflows requiring multi-document, multi-page, and vendor-stencil support
  • Hevy PRO users who want AI assistants to directly access their workout data
  • People who prefer using MCP clients like Claude, Cursor, Codex for fitness tracking
  • Anyone needing summaries and insights from their training data
  • Scenarios needing clean, structured web context fed to an AI assistant
  • Users already on the Firecrawl platform who want to call its scraping capability directly via MCP
Not for
  • Text-only workflows with no diagram-editing requirement
  • Users requiring a stable end-to-end Draw.io Desktop integration
  • Users unwilling to install Node.js or a browser extension
  • Users without a Hevy PRO subscription (API key required)
  • Users who want to use the server without an API key
  • Those needing delete workflows (Hevy API does not expose delete endpoints)
  • Simple static-page scraping where you don't want to depend on a third-party API and incur call costs
  • Sites that explicitly disallow automated access (robots.txt)
Required permissions
  • Access to connected Draw.io document instances and diagram contents
  • Permission to create, modify, and delete elements in target diagrams
  • In browser-extension mode, a connection to the Draw.io browser page and extension
  • Requires HEVY_API_KEY environment variable for Hevy API authentication
  • Can create, update, and replace workouts, routines, folders, templates, and body measurements via tools
  • Read operations can fetch workouts, routines, folders, templates, history, and user info
  • Requires a Firecrawl API key to call; cost and quota are governed by the Firecrawl account
  • firecrawl_agent/firecrawl_interact perform automated browser interaction, which may trigger login or form-submission flows on the target site
Risks and side effects
  • AI actions can modify or delete diagram elements, so mistakes may damage diagram content
  • Browser-extension mode depends on connectivity between the extension and the Draw.io page
  • Self-signed TLS certificates may require browser trust and connection configuration
  • Draw.io Desktop integration is experimental and limited by an upstream CSP issue
  • API key can be misused if leaked; do not expose in URLs, logs, or screenshots
  • Create operations may produce duplicates on retry; update operations replace existing records
  • The server sends data to the Hevy API and may send telemetry to external services unless disabled
  • Bulk crawl/map tools can generate significant request volume against a target site — respect the site's rate limits and terms of service
  • firecrawl_agent's interactive action chain is longer — define task boundaries clearly before running it to avoid accidentally triggering actions on a sensitive site
Supported clientsClaude Desktop, Claude Code, Zed, Codex, OpenCodeClaude Desktop, Cursor, Codex, Google AntigravityClaude Desktop, VS Code, Cursor, Windsurf, Zed, Amp
Tools62611