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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "fax-credits": {
      "type": "http",
      "url": "https://sendfaxfast.com/api/mcp-credits.php",
      "headers": {
        "X-API-Key": "${X_API_KEY}",
        "Authorization": "${X_API_KEY}"
      }
    }
  }
}

claude mcp add --transport http fax-credits https://sendfaxfast.com/api/mcp-credits.php --header "X-API-Key: ${X_API_KEY}" --header "Authorization: ${X_API_KEY}"

[mcp_servers.fax-credits]
url = "https://sendfaxfast.com/api/mcp-credits.php"
env_http_headers = { "X-API-Key" = "X_API_KEY", "Authorization" = "X_API_KEY" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "fax-credits": {
      "type": "remote",
      "url": "https://sendfaxfast.com/api/mcp-credits.php",
      "enabled": true,
      "headers": {
        "X-API-Key": "{env:X_API_KEY}",
        "Authorization": "{env:X_API_KEY}"
      }
    }
  }
}

{
  "mcpServers": {
    "fax-credits": {
      "type": "http",
      "url": "https://sendfaxfast.com/api/mcp-credits.php",
      "headers": {
        "X-API-Key": "${X_API_KEY}",
        "Authorization": "${X_API_KEY}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=fax-credits&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vc2VuZGZheGZhc3QuY29tL2FwaS9tY3AtY3JlZGl0cy5waHAiLCJoZWFkZXJzIjp7IlgtQVBJLUtleSI6IiR7WF9BUElfS0VZfSIsIkF1dGhvcml6YXRpb24iOiIke1hfQVBJX0tFWX0ifX0%3D"
}

{
  "servers": {
    "fax-credits": {
      "type": "http",
      "url": "https://sendfaxfast.com/api/mcp-credits.php",
      "headers": {
        "X-API-Key": "${X_API_KEY}",
        "Authorization": "${X_API_KEY}"
      }
    }
  }
}

{
  "mcpServers": {
    "fax-credits": {
      "httpUrl": "https://sendfaxfast.com/api/mcp-credits.php",
      "headers": {
        "X-API-Key": "${X_API_KEY}",
        "Authorization": "${X_API_KEY}"
      }
    }
  }
}

extensions:
  "fax-credits":
    enabled: true
    name: "fax-credits"
    type: streamable_http
    uri: "https://sendfaxfast.com/api/mcp-credits.php"
    headers:
      "X-API-Key": "${X_API_KEY}"
      "Authorization": "${X_API_KEY}"
    timeout: 300

Placeholders to fill from your own secret store: ${X_API_KEY}, ${X_API_KEY}. The registry never accepts secret values.

Quality 91 / 100strong

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 hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations5 of 5 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 1,010 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

5 tools, about 1,010 tokens to load them all · tool set 84e0c6aa0832 · checked 2026-10-19 10:52 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 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-10d-ago -no-repository

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

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://sendfaxfast.com/api/mcp-credits.php` streamable-http	api_key `${X_API_KEY}`	yes	100%	596 ms	2025-11-25	2026-10-19

Tools (5)

`create_upload_link`	Creates a secure one-time upload link (valid 30 minutes) for the fax document (PDF, JPG or PNG, max. 10 MB) – upload from phone or computer by drag & drop, file picker or camera. For files on the user's device, or chat attachments that are not available as send_fax's "file" parameter. The user opens upload_url and uploads the file; send_fax then accepts the returned upload_id. Creating a link sends nothing and costs nothing.
`get_account_balance`read-only	Check how many fax credits remain on your account. Requires your credits API key (sfx_...).
`get_fax_price`read-only	Check if a fax destination is supported and how many credits it costs (a flat 1 credit per fax, up to 100 pages). No API key required. Supported: USA, Canada, Australia, New Zealand and 39 more countries (same list as sendfaxfast.com); premium-rate numbers are not supported.
`get_fax_status`read-only	Check the delivery status of one of your faxes. Use the fax_id returned by send_fax. Requires your credits API key; only your own faxes are visible.
`send_fax`destructive	Send a fax using 1 prepaid credit. Requires your credits API key (sfx_...) and a direct, publicly accessible HTTPS link to a PDF (max. 10 MB, 100 pages). Supported: USA, Canada, Australia, New Zealand and 39 more countries (same list as sendfaxfast.com); premium-rate numbers are not supported. Each call transmits a real fax to the given number. DOCUMENT (exactly one): "upload_id" from create_upload_link (for files on the user's device), "file" (a file attached in ChatGPT, filled in automatically), "document_url" (direct public HTTPS link to a PDF) or "document_base64" (tiny files only, max. 700 KB). For an attachment that is not available as "file", create_upload_link provides an upload link. The result states whether the fax was sent, scheduled or is awaiting payment.

Schemas: list_tools.

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More from com.sendfaxfast

Official server.json

{
  "name": "com.sendfaxfast/fax-credits",
  "icons": [
    {
      "src": "https://sendfaxfast.com/icon-512.png",
      "sizes": [
        "512x512"
      ],
      "mimeType": "image/png"
    }
  ],
  "title": "SendFaxFast (AI Fax Credits)",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://sendfaxfast.com/api/mcp-credits.php",
      "type": "streamable-http",
      "headers": [
        {
          "name": "X-API-Key",
          "isSecret": true,
          "isRequired": true,
          "description": "Your sfx_ key from the AI fax credits email (buy at sendfaxfast.com/ai-credits.html)"
        }
      ]
    }
  ],
  "version": "1.1.0",
  "websiteUrl": "https://sendfaxfast.com/ai-connect.html",
  "description": "Send faxes from AI chat with prepaid credits (1 credit = 1 fax, up to 100 pages). PDF, JPG, PNG."
}