Demo HTTP MCP Server

test-http-mcp

Demo Model Context Protocol (MCP) server implemented in Python using the http-mcp package. It can run over HTTP (Starlette/Uvicorn) or over stdio, exposing example Tools and Prompts to any MCP-capable client.

Requirements

Python 3.13
uv (recommended) or pip

Install

Using uv (recommended):

uv run python -V # will create a venv and sync deps from pyproject

Using pip (alternative):

python3.13 -m venv .venv source .venv/bin/activate pip install .

Run (HTTP mode)

Starts a Starlette app and mounts the MCP server under /mcp on port 8000.

uv run run-app # → http://localhost:8000/mcp

Example .cursor/mcp.json:

{ "mcpServers": { "test-http-mcp": { "type": "http", "url": "http://localhost:8000/mcp/", "headers": { "Authorization": "Bearer $TEST_TOKEN" } } } }

Usage with Gemini:

{ "mcpServers": { "test": { "httpUrl": "http://localhost:8000/mcp/", "timeout": 5000, "headers": { "Authorization": "Bearer TEST_TOKEN" } } } }

Run (stdio mode)

Use with Cursor or other MCP clients

Example .cursor/mcp.json entry to connect via stdio:

{ "mcpServers": { "test_studio": { "command": "uv", "args": ["run", "run-stdio"], "env": { "AUTHORIZATION_TOKEN": "Bearer TEST_TOKEN" } } } }

What this server exposes

Tools (see app/tools.py):
- get_weather(location: str, unit: str = "celsius") -> { weather: str }
- get_time() -> { time: str }
- tool_that_access_request(username: str) -> { message: str } (reads Authorization from the incoming request headers)
- get_called_tools() -> { called_tools: string[] }
Prompts (see app/prompts.py):
- get_advice(topic: str, include_actionable_steps: bool = false) → returns a single user message template

Project scripts

Two console entry points are defined in pyproject.toml:

run-app → app.main:run_http
run-stdio → app.main:run_stdio

Development

Common tasks (using uv):

uv run ruff check . # lint uv run mypy . # type check uv run pytest # tests uv run mdformat . # format markdown

Implementation notes

The Starlette app is defined in app/main.py and mounts http_mcp.server.MCPServer at /mcp.
Tool inputs/outputs are validated with Pydantic v2 models; async tool functions receive a typed ToolArguments with inputs, context, and (in HTTP mode) request.
A simple Context keeps track of called tool names during a session.

License

MIT — see LICENSE.

Deploy Server

HTTP connection URL

A

security – no known vulnerabilities

A

license - permissive license

A

quality - confirmed to work

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Tools

A demonstration MCP server that provides example tools for weather queries, time retrieval, and request handling, along with advice prompts. Supports both HTTP and stdio modes for testing MCP client integrations.

Related Resources

Reddit Discussion about this server

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