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MCP Code Execution Server
Supports UIby elusznik
Execute Python in rootless containers with zero-context tool discovery to eliminate token bloat.
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Works in:CursorVS Code CopilotWindsurf
Exposes:ToolsResources
What it does
This server implements a 'discovery-first' architecture for MCP. Instead of preloading hundreds of tool schemas into the LLM's context (which can cost thousands of tokens per request), it exposes a single run_python tool. The LLM writes Python code to dynamically discover, call, and compose other MCP tools on demand.
Tools
run_python: The primary entry point. Executes Python code in a secure, rootless sandbox. Within the code, the LLM can use helpers likediscovered_servers(),query_tool_docs(), andsearch_tool_docs()to find and execute other MCP tools.
Installation
Add the following to your claude_desktop_config.json:
{
"mcpServers": {
"mcp-server-code-execution-mode": {
"command": "uvx",
"args": [
"--from",
"git+https://github.com/elusznik/mcp-server-code-execution-mode",
"mcp-server-code-execution-mode",
"run"
],
"env": {
"MCP_BRIDGE_RUNTIME": "podman"
}
}
}
}
Supported hosts
- Claude Desktop
- Cursor
- VS Code Copilot
- Windsurf
Quick install
uvx --from git+https://github.com/elusznik/mcp-server-code-execution-mode mcp-server-code-execution-mode runInformation
- Pricing
- free
- Published
- 4/12/2026
