yelp-mcp-min

yelp-mcp-min

Minimal MCP server for the Yelp Fusion API v3, enabling business search, phone lookup, match, details, and reviews via FastMCP.

Category
Visit Server

README

yelp-mcp-min

Minimal MCP server for the Yelp Fusion API v3, built with FastMCP 3.

Prerequisites

  • Python 3.11+
  • uv 0.11+
  • Docker (optional)
  • A Yelp Fusion API key — https://www.yelp.com/developers/v3/manage_app

Installation

uv sync
cp .env.example .env
# Edit .env and set YELP_API_KEY

Running

# stdio transport (for use with Claude Desktop or an MCP client)
uv run python -m server.main

# Docker
docker build -t yelp-mcp-min .
docker run --env-file .env yelp-mcp-min
docker buildx build -t yelp-mcp-min .

Environment variables

Variable Required Default Description
YELP_API_KEY Yes Yelp Fusion API bearer token
YELP_BASE_URL No https://api.yelp.com/v3 API base URL
HTTP_TIMEOUT No 10.0 Request timeout in seconds
HTTP_MAX_RETRIES No 3 Max retry attempts on 429/5xx
HTTP_RETRY_WAIT_MIN No 1.0 Min back-off wait in seconds
HTTP_RETRY_WAIT_MAX No 10.0 Max back-off wait in seconds
LOG_LEVEL No INFO structlog level
JSON_LOGS No false Emit JSON log lines (for Datadog etc)

Tools

Tool Yelp endpoint Description
search_businesses GET /v3/businesses/search Full-text + geo search with pagination
find_business_by_phone GET /v3/businesses/search/phone Look up a business by E.164 phone number
match_business GET /v3/businesses/matches Match structured name+address to Yelp listing
get_business GET /v3/businesses/{id} Full business profile by Yelp ID or alias
get_business_reviews GET /v3/businesses/{id}/reviews Customer reviews with pagination

Resource

yelp://business/{id} — Returns the same payload as get_business as an MCP resource (application/json). MCP clients that support resources can embed or subscribe to this URI directly.

Project structure

yelp-mcp-min/
  server/
    main.py              # FastMCP instance + wiring
    core/
      config.py          # pydantic-settings (YELP_API_KEY, tunables)
      logging.py         # structlog setup (stderr only)
      client.py          # async httpx client, retry, error mapping
      models.py          # Pydantic output models
    tools/
      search.py          # search_businesses
      business.py        # find_by_phone, match, get_business
      reviews.py         # get_business_reviews
    resources/
      business.py        # yelp://business/{id}
  tests/
    conftest.py
    test_client.py
    test_tools.py
    test_models.py
  Dockerfile
  pyproject.toml
  .env.example

Running tests

uv run pytest -v

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