Mouser MCP Server

Model Context Protocol server for the Mouser Electronics Search API

Local serverstdioPython

What is the Mouser MCP server?

Model Context Protocol server for the Mouser Electronics Search API. That is what the mouser mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

Getting it running

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.

The tools it exposes

The server publishes 5 tools. What each one is for:

  • search_by_keyword — POST /api/v1/search/keyword
  • search_by_part_number — POST /api/v1/search/partnumber
  • search_by_keyword_and_manufacturer — POST /api/v2/search/keywordandmanufacturer
  • search_by_part_number_and_manufacturer — POST /api/v2/search/partnumberandmanufacturer
  • list_manufacturers — GET /api/v2/search/manufacturerlist

What it needs from you

Configuration is passed through the environment: MOUSER_API_KEY, PYPI_API_TOKEN. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

How it compares

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Mouser's toolset — search_by_keyword, search_by_part_number, search_by_keyword_and_manufacturer and 2 more — is a fair guide to whether it matches your workflow.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Available tools

ToolWhat it does
search_by_keywordPOST /api/v1/search/keyword
search_by_part_numberPOST /api/v1/search/partnumber
search_by_keyword_and_manufacturerPOST /api/v2/search/keywordandmanufacturer
search_by_part_number_and_manufacturerPOST /api/v2/search/partnumberandmanufacturer
list_manufacturersGET /api/v2/search/manufacturerlist

Configuration

VariableDescriptionRequired
MOUSER_API_KEYCredential the server authenticates with.Yes
PYPI_API_TOKENCredential the server authenticates with.Yes

Example prompts to try

  • Use Mouser to search by keyword.
  • Use Mouser to search by part number.
  • Use Mouser to search by keyword and manufacturer.

Frequently asked questions

It connects Mouser to MCP-compatible AI assistants such as Claude and Cursor, exposing 5 tools (search_by_keyword, search_by_part_number, search_by_keyword_and_manufacturer, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Mouser directly.