# OpenFab

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

- name: io.github.yyphilo/openfab
- version: 0.2.0
- connection class: R0 (autonomous)
- trust: 91/100
- quality: 79/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.yyphilo%2Fopenfab
- tools: https://api.protogrid.dev/v1/servers/io.github.yyphilo%2Fopenfab/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "openfab": {
      "type": "http",
      "url": "https://openfab-22100483453.us-central1.run.app/mcp/"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 100
- freshness: 85
- provenance: 80
- drivers: +repository +namespace-matches-repo +reachable +uptime-100% ~updated-67d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 79/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 71 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- fail `tools.annotations`: no tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: refine_quote (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); dfm_feedback (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); compare_processes (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
- pass `tools.token_cost`: about 1,164 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 7, about 1,164 tokens to load them all
- tool set hash: 8b024cf258be0293f68b286d9d2c3ace
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.yyphilo/openfab.svg)](https://protogrid.dev/servers/io.github.yyphilo/openfab)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://openfab-22100483453.us-central1.run.app/mcp/ (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (7)

- `compare_processes`: Compare cost and lead time for one part across manufacturing processes.

    Provide 2-8 process names and a quantity; returns per-process estimates
    sorted by total cost, plus a lowest-cost / shortest-lead-time note.
    Indicative and non-binding.
    
- `dfm_feedback`: Rule-based design-for-manufacturability feedback for a part specification.
- `discover_capabilities`: List supported manufacturing processes, materials, and the fields an estimate accepts.
- `estimate_bom`: Estimate costs for a multi-part bill of materials in one call.

    Each part: {process, quantity, material?, bounding_box_mm?, tolerance_mm?,
    finish?}. Returns per-line estimates, a BOM total, and the longest lead
    time. Indicative and non-binding. Max 50 lines.
    
- `get_lead_time`: Estimated production lead time in days, by process and quantity.
- `refine_quote`: Refine a previous estimate (change quantity, material, tolerance, finish) by passing its quote_token.
- `request_quote`: Get an instant cost estimate for a custom manufactured part. Returns unit price, total, lead time, and assumptions. Indicative and non-binding.