Does MCP Run Python (Pydantic) work with Cursor?

Yes. MCP Run Python (Pydantic) passed every step of our test in Cursor on Oct 15, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.

Result

ResultPassed
Date testedOct 15, 2026
Plan tested onCursor Pro+
App version2026.10.12-d47ca18
Modelgpt-5.3-codex-low

Steps

  1. install OK
  2. connected OK
  3. tools visible OK
  4. agent task: run cell OK

From our own harness run, not the maker’s claims. How we test.

What happened in this run

Install config we used

{
 "mcpServers": {
  "mcp-run-python": {
   "command": "uvx",
   "args": [
    "mcp-run-python",
    "stdio"
   ],
   "env": {
    "PATH": "/home/box/.deno/bin:/usr/local/bin:/usr/bin:/bin"
   }
  }
 }
}

Connection check

mcp-run-python: ready

Tools the app saw

1 tools in the app (protocol check found 1).

Agent task: run cell

  • Tool calls, in order: mcp-run-python:run_python_code

Raw details from our harness log for this run. Secrets redacted.

Set it up in Cursor

Copy-paste config for every app is on the MCP Run Python (Pydantic) page. Not connecting? Cursor MCP troubleshooting.

Other apps we tested it in: Claude Code (passed).

All MCP servers tested in Cursor

Sponsors