Model Context Protocol · Public · Read-only

Harness Atlas MCP Server

Query the wire-harness manufacturer directory from any AI agent

Harness Atlas exposes 500+ listed wire-harness and cable-assembly manufacturers over a standard MCP endpoint — so sourcing, procurement and engineering agents can find and qualify suppliers programmatically.

https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp

Two tools

Streamable HTTP transport, JSON-RPC 2.0. Public and unauthenticated — just POST to the endpoint, no key required.

find_manufacturer

Search the directory by country, industry, process capability, or name. Returns location, website, industries served, aggregated plant capabilities, and profile URL.

country · industry · capability · name · limit

find_alternative

Cross-reference a component part number to alternatives. The substitutes dataset is in progress — the tool records demand while it is built.

part_number · manufacturer

Connect in 30 seconds

# 1. initialize
curl -s -X POST https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp \
  -H "content-type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize",
       "params":{"protocolVersion":"2025-06-18",
       "clientInfo":{"name":"my-agent","version":"1.0"}}}'

# 2. find German automotive harness makers
curl -s -X POST https://qahxbracftdyarpzplzf.supabase.co/functions/v1/mcp \
  -H "content-type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call",
       "params":{"name":"find_manufacturer",
       "arguments":{"country":"Germany","industry":"automotive","limit":5}}}'

Point any MCP-compatible client (Claude, Cursor, Cline, Goose, or your own agent) at the endpoint above, or find Harness Atlas in the MCP registries. No API key, no account — it's a public read-only endpoint.

What agents ask

Natural-language questions resolve to a single tool call.

“Find automotive wire-harness manufacturers in Germany.”

find_manufacturer · country: Germany · industry: automotive

“Which harness makers are HV-capable?”

find_manufacturer · capability: hv_capable

“List cable-assembly suppliers in Poland serving the medical industry.”

find_manufacturer · country: Poland · industry: medical

Public & read-only

Only published directory data is served. No accounts, no writes, no private data.

Built for agents

Structured, typed results an agent can rank, filter, and cite — not a scraped HTML page.

Explore the data behind the endpoint

Every result links to a full manufacturer profile with plants, capabilities and certifications.