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Compare MCP servers

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

DimensionAionUiFree, open-source Cowork desktop app that unifies a built-in agent, 20+ CLI agents, MCP tool config, and a built-in Team MCP Server.Firecrawl MCP ServerFirecrawl's official MCP server for web search, scraping, and structured extraction for AI agentsExa MCP ServerExa's official MCP server for web search and crawling built for AI applications
FMRS44 / 100 · D75 / 100 · B73 / 100 · B
Reliability4 / 2013 / 2012 / 20
Security and permissions6 / 2012 / 2013 / 20
Maintenance15 / 2016 / 2016 / 20
Documentation11 / 2017 / 2016 / 20
Setup experience8 / 2017 / 2016 / 20
Best for
  • Users who already run multiple CLI coding agents (Claude Code, Codex, Gemini CLI, etc.) and want one unified interface
  • Individuals or teams wanting local-only storage (SQLite) and control over which LLM API key/provider they use
  • Users who need scheduled automation or multi-channel remote access to an AI agent
  • 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
  • Q&A and research scenarios that need real-time, clean web content
  • Users with an existing Exa account who want a zero-deployment remote option
Not for
  • Use cases needing a lightweight, single-purpose MCP tool server
  • Users wanting a fully managed cloud service with no local install
  • Scenarios requiring an officially Anthropic- or protocol-maintained MCP server
  • 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)
  • Scenarios requiring a strict allowlist of search sources that can't use a third-party search service
  • Budget-sensitive, high-volume search scenarios (remote/API calls may incur cost)
Required permissions
  • Local file system read/write access for agent file operations
  • Ability to execute locally installed CLI agents
  • Network access to call configured LLM provider APIs
  • Optional bot tokens and network access for chat-platform integrations (Telegram, Lark, DingTalk, WeChat)
  • Local SQLite database storage
  • 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
  • Requires an Exa API key for full functionality; OAuth login is optional in remote mode
  • web_fetch_exa retrieves content from a specified URL; agent_run performs multi-step autonomous actions and needs the user to have clear expectations of Agent behavior
Risks and side effects
  • Agents get broad local file read/write and command-execution access, which requires trust before enabling
  • "YOLO Mode" and "Full-Auto Mode" auto-approve agent actions without confirmation, raising the risk of unintended file changes if misconfigured
  • Chat-platform integrations require storing bot tokens/credentials, which carries credential-exposure risk if mishandled
  • The project is maintained by a single company (iOfficeAI); evaluate its security practices and update cadence before granting broad automation permissions
  • 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
  • The API key should be stored carefully — avoid leaving it in plaintext in client config files on untrusted machines
  • agent_run is a multi-step autonomous tool with a longer action chain — try it on low-risk tasks first
Supported clientsClaude Desktop, VS Code, Cursor, Windsurf, Zed, AmpClaude Desktop, Claude Code, VS Code, Cursor, Windsurf, Zed, Amp, Kiro, LM Studio, Antigravity
Tools0114