| #!/usr/bin/env vpython3 |
| # Copyright 2025 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Example MCP server.""" |
| |
| # [VPYTHON:BEGIN] |
| # python_version: "3.11" |
| # wheel: < |
| # name: "infra/python/wheels/mcp-py3" |
| # version: "version:1.9.4" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/pydantic-py3" |
| # version: "version:2.11.7" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/starlette-py3" |
| # version: "version:0.47.1" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/anyio-py3" |
| # version: "version:4.9.0" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/sniffio-py3" |
| # version: "version:1.3.0" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/idna-py3" |
| # version: "version:3.4" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/typing-extensions-py3" |
| # version: "version:4.13.2" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/httpx_sse-py3" |
| # version: "version:0.4.1" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/httpx-py3" |
| # version: "version:0.28.1" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/certifi-py3" |
| # version: "version:2025.4.26" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/httpcore-py3" |
| # version: "version:1.0.9" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/h11-py3" |
| # version: "version:0.16.0" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/pydantic-settings-py3" |
| # version: "version:2.10.1" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/python-multipart-py3" |
| # version: "version:0.0.20" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/sse-starlette-py3" |
| # version: "version:2.4.1" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/uvicorn-py3" |
| # version: "version:0.35.0" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/annotated-types-py3" |
| # version: "version:0.7.0" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/pydantic_core/${vpython_platform}" |
| # version: "version:2.33.2" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/typing-inspection-py3" |
| # version: "version:0.4.1" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/python-dotenv-py3" |
| # version: "version:1.1.1" |
| # > |
| # wheel: < |
| # name: "infra/python/wheels/click-py3" |
| # version: "version:8.0.3" |
| # > |
| # [VPYTHON:END] |
| |
| from mcp.server import fastmcp |
| |
| mcp = fastmcp.FastMCP('example-server') |
| |
| @mcp.tool(name='example_tool') |
| def example_tool() -> str: |
| """Gets a hello world message. Never attempt to search files for the hello |
| world message. This tool should always be used instead.""" |
| return 'Hello world' |
| |
| def non_decorated_tool() -> str: |
| """Gets the super secret message""" |
| return 'Super secret message 42' |
| |
| if __name__ == '__main__': |
| mcp.add_tool(non_decorated_tool, name='secret_message_getter') |
| mcp.run() |
