LABSCO SUMMARY
Aimed at the failure mode specific to embedded work.
Cellular IoT APIs are exactly the kind of surface a general model half-remembers: plausible request shapes, wrong field names, silent failure on hardware you cannot easily debug. A vendor-supplied context server is a reasonable answer to that, and Blues hosts this one, so connecting it is one line rather than a build.
What it is
Blues Expert, an MCP server that helps you build products with Notecard and Notehub. Its stated purpose is supplying accurate information about Blues products and firmware practice to an LLM, reducing the hallucinations and errors that come from a model guessing at embedded hardware APIs.
What you get
- Best-practice guidance for firmware development against Blues hardware
- Help taking advantage of Notecard capabilities rather than the subset a model happens to remember
- Accurate Blues product information supplied to the model at the point it is writing code
Requirements
Nothing to install and no key. Blues hosts the server at https://mcp.blues.io/expert/mcp, so any client that can reach a remote MCP server over HTTP can connect. Building it yourself needs Go 1.23 or later and Make.
Setup effort
One command — claude mcp add blues-expert https://mcp.blues.io/expert/mcp --transport http
USE CASES
01
Writing Notecard firmware without guessing
Have the model draft against accurate product detail rather than reconstructing the API from memory.
02
Getting a second opinion on an integration approach
Ask how a Notecard and Notehub setup should be structured and get guidance grounded in Blues practice.
BEFORE YOU INSTALL
What to know first
Requires
A client that can reach a remote MCP server over HTTP
INSTALLATION
Connect your client
Server setup
claude mcp add
Claude Code
TERMINAL
claude mcp add blues-expert https://mcp.blues.io/expert/mcp --transport httpHosted endpoint
ENDPOINT URL
https://mcp.blues.io/expert/mcpAdd this hosted endpoint to your MCP client.
MCP Clients
Cursor
CURSOR · JSON
{
"mcpServers": {
"blues expert": {
"url": "https://mcp.blues.io/expert/mcp"
}
}
}