All clients
Every server we tested, with its result in each client.
| Server | Claude Code | Cursor | Claude Desktop | ChatGPT (Codex) |
|---|---|---|---|---|
| Chrome DevTools MCP Browser automation | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Playwright MCP Browser automation | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Browser Use (MCP mode) Browser automation | Failed 2026-10-13 · agent task (no tool result containing ['TP-4242']) | Failed 2026-10-13 · agent task (answer missing ['TP-4242']; no tool result containing ['TP-4242']) | Failed 2026-10-14 · agent task (no tool result containing ['TP-4242']; answer missing ['TP-4242']) | Failed 2026-10-14 · agent task (answer missing ['TP-4242']; no tool result containing ['TP-4242']) |
| Agent Infra Browser (ByteDance) Browser automation | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Fetch (reference) Web search & scraping | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Open-WebSearch Web search & scraping | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| MarkItDown MCP (Microsoft) Web search & scraping | Failed 2026-10-13 · agent task (answer missing ['Example Domain']; no tool result containing ['Example Domain']) | Failed 2026-10-13 · agent task (no tool result containing ['Example Domain']) | Failed 2026-10-14 · agent task (no tool result containing ['Example Domain']) | Failed 2026-10-14 · agent task (answer missing ['Example Domain']; no tool result containing ['Example Domain']) |
| DuckDuckGo search Web search & scraping | Failed 2026-10-13 · agent task (answer missing ['Example Domain']; no tool result containing ['Example Domain']) | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Context7 Up-to-date docs for coding | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Not tested | Not tested |
| Git (reference) Code understanding | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| codebase-memory-mcp Code understanding | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Serena Code understanding | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Code Index MCP Code understanding | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Filesystem (reference) Files & office documents | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Excel MCP Files & office documents | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Draw.io MCP Files & office documents | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Terraform MCP Cloud & infrastructure | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Not tested | Not tested |
| n8n-mcp Automation / agent builders | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Not tested | Not tested |
| arXiv MCP Research | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Not tested | Not tested |
| Everything (reference) Memory & reasoning | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Not tested | Not tested |
| Memory (reference) Memory & reasoning | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Sequentialthinking (reference) Memory & reasoning | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| context-mode Memory & reasoning | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task | Passed 2026-10-14 · install, connect, tools, agent task |
| Jupyter MCP Data & notebooks | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Not tested | Not tested |
| Time (reference) Utilities | Passed 2026-10-13 · install, connect, tools, agent task | Passed 2026-10-13 · install, connect, tools, agent task | Not tested | Not tested |