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DevHelm MCP Server

DevHelm MCP Server

by devhelmhq
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Python

DevHelm MCP Server

A public, stateless MCP server for demoing mcp-recorder — record, replay, and verify MCP interactions with zero setup.

Live: https://mcp.devhelm.io/mcp

Try It

mcp-recorder record  --target https://mcp.devhelm.io/mcp --output demo.json
mcp-recorder replay  --cassette demo.json
mcp-recorder verify  --cassette demo.json --target https://mcp.devhelm.io/mcp

Run Locally

uv sync
uv run python -m devhelm_mcp.server

The server starts at http://localhost:8000/mcp. Health check at http://localhost:8000/health.

Tools

Tool

Parameters

Returns

add

a: int, b: int

int — the sum

greet

name: str, style: str = "friendly"

str — greeting (friendly / formal / pirate)

lookup_status

service: str

dict — status for api, database, or unknown

summarize

text: str, max_words: int = 20

str — truncated text

roll_dice

sides: int = 6, count: int = 1

dict — {"rolls": [...], "total": N}

Resources

URI

Returns

resource://server-info

Server name, version, description

resource://tools-guide

Markdown reference for all tools

Deploy

docker compose up -d --build

Uses Caddy for automatic HTTPS. See docker-compose.yml and Caddyfile.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Resources

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