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OpenFab

R0· no sign-in

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

v0.2.0 · active · repository · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust91of 100
Uptime, 30 days100%
Latency p50213 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "openfab": {
      "type": "http",
      "url": "https://openfab-22100483453.us-central1.run.app/mcp/"
    }
  }
}
claude mcp add --transport http openfab https://openfab-22100483453.us-central1.run.app/mcp/
[mcp_servers.openfab]
url = "https://openfab-22100483453.us-central1.run.app/mcp/"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "openfab": {
      "type": "remote",
      "url": "https://openfab-22100483453.us-central1.run.app/mcp/",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "openfab": {
      "type": "http",
      "url": "https://openfab-22100483453.us-central1.run.app/mcp/"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=openfab&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vb3BlbmZhYi0yMjEwMDQ4MzQ1My51cy1jZW50cmFsMS5ydW4uYXBwL21jcC8ifQ%3D%3D"
}
{
  "servers": {
    "openfab": {
      "type": "http",
      "url": "https://openfab-22100483453.us-central1.run.app/mcp/"
    }
  }
}
{
  "mcpServers": {
    "openfab": {
      "httpUrl": "https://openfab-22100483453.us-central1.run.app/mcp/"
    }
  }
}
extensions:
  "openfab":
    enabled: true
    name: "openfab"
    type: streamable_http
    uri: "https://openfab-22100483453.us-central1.run.app/mcp/"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno 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_costabout 1,164 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

7 tools, about 1,164 tokens to load them all · tool set 8b024cf258be · checked 2026-10-19 14:42 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 91 / 100

provenance80
liveness100
freshness85
hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% ~updated-66d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://openfab-22100483453.us-central1.run.app/mcp/ streamable-httpnoneyes100%213 ms2025-11-252026-10-19

Tools (7)

compare_processesCompare 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_feedbackRule-based design-for-manufacturability feedback for a part specification.
discover_capabilitiesList supported manufacturing processes, materials, and the fields an estimate accepts.
estimate_bomEstimate 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_timeEstimated production lead time in days, by process and quantity.
refine_quoteRefine a previous estimate (change quantity, material, tolerance, finish) by passing its quote_token.
request_quoteGet an instant cost estimate for a custom manufactured part. Returns unit price, total, lead time, and assumptions. Indicative and non-binding.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.yyphilo/openfab",
  "title": "OpenFab",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://openfab-22100483453.us-central1.run.app/mcp/",
      "type": "streamable-http"
    }
  ],
  "version": "0.2.0",
  "repository": {
    "url": "https://github.com/yyphilo/openfab",
    "source": "github"
  },
  "description": "Instant parametric cost estimates for custom manufacturing: CNC, molding, sheet metal, 3DP, PCB."
}