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flatin.es — new builds and local data in Spain

REMOTE · FLATIN.ES

New-build homes on sale in Spain, buying costs, non-resident tax and local open data.

Available components

+3 this week 76 Trust /100

Last scanned (12 hours ago)

Scores higher than 66% of remote servers

Reachable. Last reached 5 Nov 2026.

Category Maps and Location

Trust breakdown (7 categories)

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →

Endpoint Security74
Transport & Reachability100
Schema Quality & AI Usability60
  • AI-judged instruction clarity (excellent).Pass
  • Context-footprint check failed: tool/resource definitions use about 1922 tokens (~320/item across 6 items; 6 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management53
  • Stability observed for 16 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Tool Safety100
  • No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
  • We read all 6 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
  • An AI judge read all 7 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 5 Nov 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.

  • 3 Nov 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes.

  • 31 Oct 26 +1
    • The server rewrote its instructions, which are the text every model session reads security
    • “newbuilds_in_place” added an optional parameter “min_price” cosmetic
    • “newbuilds_in_place” reworded the description of “max_price” cosmetic
  • 29 Oct 26 +1
    • The server rewrote its instructions, which are the text every model session reads security
    • Schema quality: 1522 → 1873 ▼ functional
    • New tool “place_facts” functional
    • “newbuilds_in_place” added an optional parameter “bedrooms” cosmetic
    • “newbuilds_in_place” added an optional parameter “delivery_by” cosmetic
    • “newbuilds_in_place” added an optional parameter “max_beach_km” cosmetic
    • “newbuilds_in_place” added an optional parameter “max_price” cosmetic
  • 27 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.

  • 25 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes.

  • 23 Oct 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.

  • 21 Oct 26 +1
    • Stability: unverified → 0.03 ▲ functional
Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 5 Nov 2026 · Probed https://flatin.es/mcp

TLS valid

Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .

Subject Issuer Valid from Valid until Key Signature Serial
CN=flatin.es CN=YE2,O=Let's Encrypt,C=US 15 Oct 2026 13 Jan 2027 ECDSA 256 ECDSA-SHA384 6f8c45380d53b03243bb28fc4d46b85bb8c
SANs: *.flatin.es, flatin.es
CN=YE2,O=Let's Encrypt,C=US (CA) CN=Root YE,O=ISRG,C=US 3 Sept 2025 2 Sept 2028 ECDSA 384 ECDSA-SHA384 4df3b15dd6c0784c507cd37b58e6f115
CN=Root YE,O=ISRG,C=US (CA) CN=ISRG Root X2,O=Internet Security Research Group,C=US 13 May 2026 2 Sept 2032 ECDSA 384 ECDSA-SHA384 872165fc34b6e5fba8add5b3705fb53a
CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) CN=ISRG Root X1,O=Internet Security Research Group,C=US 13 May 2026 2 Sept 2032 ECDSA 384 SHA256-RSA 6c8f1dc727c7117f7baf853ac980f9cd

Background: What to check on a remote MCP endpoint →

DNSSEC insecure

Validation of flatin.es. — Not signed

Zone DS Keys Algorithms Outcome
. trust_anchor 20326, 38696 8, 8 Verified
es. present 4901, 54404 8, 8 Verified
flatin.es. absent Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation
Authentication No authorisation required

The endpoint answered without asking for a token. Anyone who knows the URL can reach it.

Result No authorisation required
HTTP status 200
Header Value
content-security-policy frame-ancestors 'self'
x-frame-options SAMEORIGIN
referrer-policy strict-origin-when-cross-origin

Background: How OAuth 2.1 works in the 2026 MCP spec →

Transports 2 probes
Transport URL Outcome Status Location
streamable-http https://flatin.es/mcp Verified 200
http (plaintext) http://flatin.es/mcp HTTPS enforced 301 https://flatin.es/mcp
MCP tools · 6 exposed · ~1,502 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
compare_places ~313

Side-by-side latest figures for 2–4 municipalities (provinces of Alicante, Málaga, Valencia, Murcia) or buyer zones: housing prices (MIVAU), rent (SERPAVI), IBI, population, income, tourist lets, foreigners, air quality and more — at most 12 indicators per call. Each figure has its unit, period, level (municipality, or province when the place has none), source credit and date, and station or point of interest with distance. Only places whose flatin.es page is published get figures; every answer links the flatin.es pages.

NameTypeReqDescription
indicatorsarray–Up to 12 indicator keys; default: mivau_valor_tasado_total, rent_m2_median, ibi, padron29005, income_person, vt_viviendas, vt_pct, foreign_total, share_65plus, aq_no2_annual, aq_pm25_annual, tourist_…
localestring–Language of names and page links; default en.
placesarrayyes2 to 4 places: a municipality of the provinces of Alicante, Málaga, Valencia or Murcia (name, slug, 'province/municipality' or 5-digit INE code) or a buyer zone (costa-blanca, costa-del-sol); prefix…

No output schema declared.

No examples provided.

ibi_rate ~86

Yearly IBI urbana rate (% of cadastral value) of a municipality, with year, provisional flag, source (Ministerio de Hacienda) and the flatin.es page.

NameTypeReqDescription
localestring–Language of names and page links; default en.
municipiostringyesMunicipality: name, slug, 'province/municipality' or 5-digit INE code.

No output schema declared.

No examples provided.

newbuilds_in_place ~337

New-build developments on sale in a municipality, buyer zone or province of the flatin.es catalogue: at most 25 per call, sorted by name, no pagination — the full list is on the linked flatin.es page. Facts are the developer's own, latest check only, with attribution.

NameTypeReqDescription
bedroomsinteger–Bedrooms wanted; 4 or more means 4+.
delivery_byinteger–Completion by the end of this year (this year to this year + 4); ready-to-move-in developments always match.
localestring–Language of names and page links; default en.
max_beach_kmnumber–Straight-line km from the development's own location to the nearest beach, rounded up to 1, 2, 5 or 10; only when the site offers the beach filter.
max_pricenumber–Highest budget in euros, VAT included: the price from must not exceed it. Must not be below min_price. Developments without a published price are left out.
min_pricenumber–Lowest budget in euros, VAT included. A development matches when its published price range overlaps [min_price, max_price]; with only a price from, that price must be at least min_price. Developments…
placestringyesMunicipality (name, slug, 'province/municipality' or 5-digit INE code), buyer zone (costa-blanca, costa-del-sol) or province; prefix 'provincia:' / 'zona:' to disambiguate.

No output schema declared.

No examples provided.

non_resident_tax ~353

Yearly IRNR of a non-resident owner of a Spanish home: imputed income (1.1 % or 2 % of the cadastral value for days not let) and rental income (EU/EEA: 19 % net of expenses; others: 24 % on gross rent). Every line cites its law and check date; rules pending validation (RDL 29/2026) are listed, not applied. An estimate, not tax advice.

NameTypeReqDescription
cadastral_value_eurintegeryesValor catastral of the property (IBI receipt), whole euros.
days_letinteger–Days let in the tax year (owned all year; the previous calendar year, 365 or 366 days); required when rent_eur_year > 0.
eu_residentbooleanyesTax resident of another EU/EEA state with tax information exchange (19 %, expenses deductible) — else 24 % on gross rent.
expenses_eur_yearinteger–Deductible expenses linked to the letting (only EU/EEA residents may deduct them); default 0.
localestring–Language of names and page links; default en.
rent_eur_yearinteger–Rent received in the year, whole euros; default 0.
revisedbooleanyestrue if the cadastral value was revised in a general valuation in force in the tax year or the ten previous ones (1.1 % instead of 2 %, LIRPF art. 85.1). The RDL 29/2026 extension to revisions since…

No output schema declared.

No examples provided.

place_facts ~160

For one municipality published on flatin.es (currently the provinces of Alicante, Málaga, Valencia, Murcia; comparisons use all of Spain): the indicators where it clearly differs from its province, Spain or its neighbours (rank, provincial median, Spanish percentile — only when at least 80% of applicable places have data), and fixed for/against rules on published data (prices, affordability in years of income, rent share of income, empty homes, crime per resident and with seasonal population, distances, fibre). Every number has its period and source. Not an opinion.

NameTypeReqDescription
placestringyesA municipality of the provinces of Alicante, Málaga, Valencia or Murcia: name, slug, 'province/municipality' or 5-digit INE code.

No output schema declared.

No examples provided.

purchase_costs ~253

Taxes and fees of buying a home in Spain: VAT + stamp duty (AJD) for a new build or transfer tax (ITP) for a resale at the general rate of the tax territory, plus notary and land registry by the official scales. Every line cites its law, article and the date it was checked. An estimate, not tax advice.

NameTypeReqDescription
localestring–Language of names and page links; default en.
mortgage_eurinteger–Loan amount, optional: in Spain the lender pays the mortgage AJD, notary and registration (Ley 5/2019).
new_buildbooleanyestrue — first sale by the developer (VAT + stamp duty AJD); false — resale (transfer tax ITP).
placestringyesWhere the property is in Spain: municipality or province name, 5-digit INE code of the municipality or 2-digit province code; 'province/municipality' or a 'municipio:' / 'provincia:' prefix to disamb…
price_eurintegeryesPrice in whole euros WITHOUT VAT (new build) or the deed price (resale): taxes are computed on it.

No output schema declared.

No examples provided.

Install

How do I install the flatin.es — new builds and local data in Spain MCP server?

flatin.es — new builds and local data in Spain is a hosted endpoint at https://flatin.es/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

remote · flatin.es

# add to Claude Code
claude mcp add --transport http es-flatin-spain-property 'https://flatin.es/mcp'
Common questions

What is the flatin.es — new builds and local data in Spain MCP server?

flatin.es — new builds and local data in Spain is an MCP server listed in the public MCP registry as es.flatin/spain-property. New-build homes on sale in Spain, buying costs, non-resident tax and local open data. This page covers its hosted endpoint (https://flatin.es/mcp).

Is the flatin.es — new builds and local data in Spain MCP server safe to use?

flatin.es — new builds and local data in Spain scores 76 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the flatin.es — new builds and local data in Spain MCP server expose?

flatin.es — new builds and local data in Spain exposes 6 tools: newbuilds_in_place, ibi_rate, compare_places, purchase_costs, non_resident_tax, place_facts. Their descriptions and schemas cost roughly 1,502 tokens of context every time the server is loaded.

Does the flatin.es — new builds and local data in Spain MCP server require authentication?

No. We connected to flatin.es — new builds and local data in Spain without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

Is the flatin.es — new builds and local data in Spain MCP server still maintained?

flatin.es — new builds and local data in Spain is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.