MCP Mesh Python Runtime
Python runtime for the MCP Mesh service mesh framework.
Installation
pip install mcp-mesh
Quick Start
import mesh
# Import types from public API
from mesh.types import McpMeshTool
# Define your agent
@mesh.agent(name="hello-world", http_port=9090)
class HelloWorldAgent:
"""Hello World agent demonstrating MCP Mesh features."""
pass
# Create a greeting function with dependency injection
@mesh.tool(
capability="greeting",
dependencies=["date_service"],
description="Greeting function with date dependency injection"
)
def greet(name: str = "World", date_tool: McpMeshTool = None) -> str:
"""Greeting function with automatic dependency injection."""
if date_tool is not None:
try:
current_date = date_tool()
return f"Hello, {name}! Today is {current_date}"
except Exception:
pass
return f"Hello, {name}!"
# The runtime auto-initializes when you import mcp_mesh
# Your functions are automatically registered with the mesh registry
Features
- Automatic Registration: Functions are automatically registered with the Go registry
- Health Monitoring: Built-in health checks and heartbeats
- Dependency Injection: Inject dependencies into your functions
- Service Discovery: Find and use other services in the mesh
- Graceful Degradation: Works even if registry is unavailable
Configuration
The runtime can be configured via environment variables:
MCP_MESH_ENABLED: Enable/disable runtime (default: "true")MCP_MESH_REGISTRY_URL: Registry URL (default: "http://localhost:8080")MCP_MESH_AGENT_NAME: Custom agent name (auto-generated if not set)
API Architecture
MCP Mesh uses a clear separation between public and private APIs:
mesh- Public user API for decorators and types_mcp_mesh- Private internal implementation (do not import directly)
The underscore prefix on _mcp_mesh follows Python conventions to indicate internal/private packages. Users should only import from the mesh package to ensure compatibility across versions.
Documentation
See the main repository for complete documentation.
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