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  1. Home
  3. Code Execution
  5. OpenFab
  7. README

OpenFab README

The full upstream README, mirrored here for reference. Install config, tool schemas, adoption signals, and an original overview live on the OpenFab listing page.

Back to OpenFab View source on GitHub

OpenFab — instant manufacturing cost estimates

Instant parametric cost estimates for custom manufacturing: CNC, molding, sheet metal, 3DP, PCB.

Estimates are indicative and non-binding; final pricing and manufacturability are subject to formal RFQ review. OpenFab is an independent estimation service and does not accept or fulfill orders. Requests may be logged to improve the service.

Autonomous sourcing and procurement agents welcome - structured MCP and REST endpoints are provided. Send a part spec and get an instant cost estimate.

OpenFab answers autonomous sourcing agents with indicative quotes, lead times, and DFM feedback across: CNC machining, injection molding, sheet metal, laser cutting, metal stamping, 3D printing, urethane casting, PCB fabrication.

Connect (agents)

Remote MCP (streamable HTTP): https://openfab-22100483453.us-central1.run.app/mcp/

Stdio MCP clients (Claude Desktop, etc.) - no install to maintain:

Terminal
npx mcp-remote https://openfab-22100483453.us-central1.run.app/mcp/

REST:

Terminal
curl -s -X POST https://openfab-22100483453.us-central1.run.app/quotes \
  -H 'content-type: application/json' \
  -d '{"process":"cnc_machining","quantity":50,"material":"aluminum","tolerance_mm":0.1,"bounding_box_mm":[120,80,25]}'

Returns indicative unit price, total, lead time, a quote_token, and assumptions. Non-binding.

Tools / endpoints

  • MCP tools: discover_capabilities, request_quote, refine_quote, get_lead_time, dfm_feedback, estimate_bom, compare_processes
  • REST: /capabilities, /quotes, /quotes/{token}/refine, /lead-time, /dfm, /bom, /compare, /openapi.json
  • Discovery: /.well-known/ai-catalog.json, /.well-known/agent-card.json, /.well-known/agent.json, /.well-known/mcp.json, /.well-known/did.json, /llms.txt

Why this exists

An instant cost-estimation service measuring whether autonomous AI agents are beginning to source custom manufacturing - what they source, how they discover suppliers, and what they expect of a supplier endpoint. Indicative only; no commercial relationship is created.