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HOUSINGFAX MCP Server

by housingfax Your server? Claim it
answering

HOUSINGFAX is answering right now. Last checked moments ago. It exposes 8 tools.

Immediate home report for a building or flat in Spain: 22 checks from official public sources.

Uptime history 17 days of history
17 days agonow
100.0%
Uptime 24h
92 of 92 checks
8
Tools
read from the server
219 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 8

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 October 2026. No other catalogue keeps this.

9 Oct 5 tool descriptions were rewritten create_free_report, get_products, list_checks and 2 more
9 Oct 2 tools changed the parameters they ask for create_free_report, purchase_report
9 Oct a tool changed version

Nothing serious here today

Today is the operative word: we check HOUSINGFAX every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.

run in your terminal
claude mcp add mcp --transport http https://housingfax.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://housingfax.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://housingfax.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://housingfax.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://housingfax.com/mcp"
    }
  }
}

Available tools 8

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

address
search_address
Two steps to build an address. kind=municipality with provinceCode and q returns municipalities and their codes. kind=street with provinceCode, municipalityDgcCode, municipalityIneCode (from the first step) and q returns streets with streetTypeCode and streetCode (and localityId in the Basque Country). Pass the chosen street, the house number and the codes to resolve_building. Only for places check_coverage reports as covered. Do not store or publish the address.
checks
list_checks
Lists the 22 numbered checks of the report (title, question it answers and whether its source is integrated yet) and the meaning of the ✓ / ⚠ / ○ marks. Use it to explain what the report looks at. Checks marked pending_integration show as ○ no data, never as a negative result. Always tell the person: it is a preliminary, automated report built from public records, not a technical inspection, valuation, certificate, safety assessment or legal advice; probabilities are given as words (very low to very high), never as percentages; a check without data (○) means unknown, not negative or safe; Navarra is not covered yet; the report is only available as a private link.
coverage
check_coverage
Says whether HOUSINGFAX can produce a report for a province (name or two-digit INE code) and, optionally, finds the municipality in the official street directory. Status covered, not_yet_covered (Navarra: foral adapter pending) or unrecognized; not_yet_covered never means no risk. In the Basque Country (Araba, Bizkaia, Gipuzkoa) the report covers the whole building, not a single flat. municipalityLookup unavailable means the directory did not answer: unknown, not missing. Call it before search_address when you are not sure the place is covered.
free
create_free_report
Queues the report for the building resolved with resolve_building and returns a private link (previewUrl) and a statusToken for get_report_status. Every report is free: it is the full report with PDF, with the building condition assessment when the building has an IEE/ITE record, generated in minutes. CONSENT: before calling, show the person the consent text returned by get_products (consent.text, same language) with its terms and privacy links, and set consent=true only if the person has explicitly accepted it in this conversation; pass consent.statementSha256 as consentStatementSha256. Never accept on the person's behalf. The email is optional (ready notice with the link and the PDF; at most 2 reports per email every 14 days) and only with the person's permission. The link is private: give it only to the person, never publish it. Always tell the person: it is a preliminary, automated report built from public records, not a technical inspection, valuation, certificate, safety assessment or legal advice; probabilities are given as words (very low to very high), never as percentages; a check without data (○) means unknown, not negative or safe; Navarra is not covered yet; the report is only available as a private link.
products
get_products
Returns the HOUSINGFAX report for a home in Spain (productMode free): a single product, the full report with web view and PDF, free of charge, with the building condition assessment when the building has an IEE/ITE record. Also returns the report limits and the consent text (with its SHA-256) that the person must accept before create_free_report. Use it when someone asks what HOUSINGFAX offers or before ordering. Always tell the person: it is a preliminary, automated report built from public records, not a technical inspection, valuation, certificate, safety assessment or legal advice; probabilities are given as words (very low to very high), never as percentages; a check without data (○) means unknown, not negative or safe; Navarra is not covered yet; the report is only available as a private link.
purchase
purchase_report
Not available: every report is free; use create_free_report. This tool stays in the contract for compatibility and answers NOT_FOR_SALE without creating anything.
report
get_report_status
Returns the status of a report created with create_free_report: queued, in_progress, ready, failed or expired, with the private link when ready. Wait pollAfterSeconds between calls. withLimitations=true means some source did not answer and its check shows ○ no data with the reason (unknown, not negative). Give the link only to the person.
resolve
resolve_building
Identifies the building from an address found with search_address (object address) or from a cadastral reference (14 characters = building or plot; 18 or 20 = a single flat). Give either cadastralReference or address, not both. status resolved returns a resolutionToken (valid 15 minutes) for create_free_report, the building's public cadastral data and whether an IEE/ITE record exists (ieeAvailability; unverified means the registry did not answer, not that there is none), which decides whether the report includes the building condition assessment. status select_unit lists the units: ask the person which flat, or repeat with the 14-character reference and scope=building for the whole building. Only non-protected cadastral data is returned. Do not publish the address or reference.

Endpoints

URLTransportStateLatencyChecked
https://housingfax.com/mcp streamable-http answering 210 ms 0 min ago

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HOUSINGFAX — questions

Answers built from our own checks of this server.

What can HOUSINGFAX do?
It exposes 8 tools, read directly from the server on our last check. Among them: check_coverage, create_free_report, get_products, get_report_status, list_checks, purchase_report and 2 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is HOUSINGFAX working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 219 ms. The bar chart above shows every period we have measured.
How do I connect HOUSINGFAX?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does HOUSINGFAX need an API key?
No. HOUSINGFAX completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 8 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is HOUSINGFAX?
It answers our handshake in 219 ms on average, which is faster than 58% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.