Run Python is answering right now. Last checked moments ago. It exposes 1 tools. Last commit 9 Sep 2026.
Run Python code from natural language prompts, with optional PyPI package install.
What the code does
We read the source, 21 h ago · tools taken from the live server · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
result = subprocess.run(
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.
claude mcp add run-python --transport http https://next.hal9.ai/mcp/mcpbuild/run-python{
"mcpServers": {
"run-python": {
"url": "https://next.hal9.ai/mcp/mcpbuild/run-python"
}
}
}[mcp_servers.run-python]
url = "https://next.hal9.ai/mcp/mcpbuild/run-python"{
"mcpServers": {
"run-python": {
"url": "https://next.hal9.ai/mcp/mcpbuild/run-python"
}
}
}{
"mcpServers": {
"run-python": {
"url": "https://next.hal9.ai/mcp/mcpbuild/run-python"
}
}
}Available tools 1
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
chat
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://next.hal9.ai/mcp/mcpbuild/run-python | streamable-http | answering | 662 ms | 0 min ago |
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Run Python — questions
Answers built from our own checks of this server.