MCP servers for ChatGPT (Codex) · Data & notebooks
Best data & notebooks MCP server for ChatGPT (Codex), tested
We have no candidate for data & notebooks in ChatGPT (Codex) yet. We ran 3 data & notebooks MCP servers in ChatGPT (Codex); 1 passed every step; not a pass: Jupyter MCP (failed), MCP Python Interpreter (failed). Our site-wide candidate, Jupyter MCP, failed in ChatGPT (Codex) on 2026-10-15.
Last tested · runs from 2026-10-15 to 2026-10-22 · one run per server · How we test
Results in ChatGPT (Codex)
| Server | ChatGPT (Codex) |
|---|---|
| MCP Run Python (Pydantic) Data & notebooks | Passed 2026-10-20 · install, connect, tools, agent task |
| Jupyter MCP Data & notebooks | Failed 2026-10-15 · agent task failed (no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']) |
| MCP Python Interpreter Data & notebooks | Failed 2026-10-22 · agent task failed (no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']) |
Dated results
- MCP Run Python (Pydantic) passed in ChatGPT (Codex) on 2026-10-20 (Codex CLI 0.162.0-alpha.17.2, mcp-run-python 0.0.22, connect time not recorded). Full result
- Jupyter MCP failed in ChatGPT (Codex) on 2026-10-15 (Codex CLI 0.162.0-alpha.17.2, package version not recorded, connect time not recorded). Full result
- MCP Python Interpreter failed in ChatGPT (Codex) on 2026-10-22 (Codex CLI 0.162.0-alpha.17.2, mcp-python-interpreter 1.2.3, connect time not recorded). Full result
Same servers in all 4 apps
| Server | Claude Code | Cursor | Claude Desktop | ChatGPT (Codex) |
|---|---|---|---|---|
| MCP Run Python (Pydantic) Data & notebooks | Passed 2026-10-15 · install, connect, tools, agent task | Passed 2026-10-15 · install, connect, tools, agent task | Passed 2026-10-18 · install, connect, tools, agent task | Passed 2026-10-20 · install, connect, tools, agent task |
| Jupyter MCP Data & notebooks | Passed 2026-10-21 · install, connect, tools, agent task | Passed 2026-10-21 · install, connect, tools, agent task | Passed 2026-10-20 · install, connect, tools, agent task | Failed 2026-10-15 · agent task failed (no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']) |
| MCP Python Interpreter Data & notebooks | Failed 2026-10-15 · did not connect, so the agent task could not use it | Failed 2026-10-15 · did not connect, so the agent task could not use it | Not tested yet | Failed 2026-10-22 · agent task failed (no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']) |
What failed or is partial in ChatGPT (Codex)
- Jupyter MCP: failed on 2026-10-15. Recorded reason:
no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']
- MCP Python Interpreter: failed on 2026-10-22. Recorded reason:
no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']
Not tested in ChatGPT (Codex) yet
dbt MCP Server, Tableau MCP, Google Analytics MCP, MATLAB MCP Server (MathWorks), Alpaca MCP Server, AntV Chart MCP, OMOPHub, TradingView MCP, Google Ads + Meta Ads MCP, HyperGSC, Ecommerce Data API, Lava MCP, SoldFetch. Listed from their source; no result in ChatGPT (Codex) yet.
Questions
What is the best data & notebooks MCP server for ChatGPT (Codex)?
We have no candidate for data & notebooks in ChatGPT (Codex) yet. We ran 3 data & notebooks MCP servers in ChatGPT (Codex); 1 passed every step; not a pass: Jupyter MCP (failed), MCP Python Interpreter (failed). Our site-wide candidate, Jupyter MCP, failed in ChatGPT (Codex) on 2026-10-15.
Does Jupyter MCP work with ChatGPT (Codex)?
No, not in our test: Jupyter MCP failed in ChatGPT (Codex) on 2026-10-15 (Codex CLI 0.162.0-alpha.17.2, package version not recorded, connect time not recorded). Recorded reason: no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']
Does MCP Python Interpreter work with ChatGPT (Codex)?
No, not in our test: MCP Python Interpreter failed in ChatGPT (Codex) on 2026-10-22 (Codex CLI 0.162.0-alpha.17.2, mcp-python-interpreter 1.2.3, connect time not recorded). Recorded reason: no successful call to this server's tools; answer missing ['42']; no tool result containing ['42']
More: all MCP servers tested in ChatGPT (Codex) · Data & notebooks in every app · How we test
