Harness Atlas MCP Server

by pawel-kowalczyk Your server? Claim it

answering

Harness Atlas is answering right now. Last checked 10 min ago. It exposes 2 tools. Last commit 24 Aug 2026.

Search 500+ wire-harness & cable-assembly manufacturers by country, industry, and capability.

Uptime history 52 days of history · worst day 60%

52 days agonow

74.7%

Uptime 24h

136 of 182 checks

Tools

read from the server

429 ms

Response time

average over 24h

Stars

last commit 24 Aug 2026

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 24 August 2026. No other catalogue keeps this.

24 Aug a tool changed version2 times that day

and 1 more, back to 24 August 2026

Harness Atlas does not always answer

Over the last week it answered 76.4% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add harness-atlas --transport http https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "harness-atlas": {
      "url": "https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.harness-atlas]
url = "https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "harness-atlas": {
      "url": "https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "harness-atlas": {
      "url": "https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp"
    }
  }
}

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

alternative

find_alternative

Cross-reference a wire-harness component part number (connectors, terminals, seals, cable protection) against the XrefBase equivalence graph. Results are grouped by how strong the relationship is, and the groups are not interchangeable: `verified_replacements` are corroborated drop-in or manufacturer-superseded parts; `functional_equivalents` do the same job but need engineering review; `same_series` and `variants` are the same family in a different configuration and are NOT substitutes; `mates_with` is the counterpart connector the part plugs into, which is specifically not a substitute for it. Every claim carries a confidence level and, where one exists, a public source URL.

manufacturer

find_manufacturer

Search the Harness Atlas directory of wire-harness and cable-assembly manufacturers. Filter by country, industry served, process capability, or name. Returns listed manufacturer profiles (location, website, industries, capabilities).

Endpoints

URL	Transport	State	Latency	Checked
https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp	streamable-http	answering	439 ms	10 min ago
https://harnessatlas.com/api/mcp	streamable-http	answering	66 ms	11 min ago

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Harness Atlas — questions

Answers built from our own checks of this server.

What can Harness Atlas do?

It exposes 2 tools, read directly from the server on our last check. Among them: find_alternative, find_manufacturer. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Harness Atlas working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 136 of 182 checks got a reply (74.7%), average response time 429 ms. The bar chart above shows every period we have measured.

How do I connect Harness Atlas?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Harness Atlas need an API key?

No. Harness Atlas completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Harness Atlas?

It answers our handshake in 429 ms on average, which is faster than 37% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Harness Atlas open source?

Yes — it is published under the MIT licence and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.