TJKlein / mcpruntime Star 6 Code Issues Pull requests Benchmarked agent execution runtime for Python. Sub-10ms cold starts, real-time streaming, time-travel debugging, and self-growing tool libraries. Compare 3 sandbox backends: Docker (OpenSandbox), MicroVM, and in-process AST. python mcp code-execution agent-systems ai-runtime llm-agents agent-architecture agentic-ai agent-runtime anthropic-mcp programmatic-tool-calling microsandbox Updated Mar 7, 2026 Python