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PopNx MCPMCP servers for people who use AI · explained in plain words

MarketCode

by marketcode.aiversion 1.0.0i★ –iRuns in the cloud
Registry nameai.marketcode/marketcode

Install

Overview

Description from the maker (original English)

UK property intelligence with evidence behind the numbers.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Install

Pick the AI app you use, then copy the settings.

Before you install

You need

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://mcp.marketcode.ai/mcp

Run this in your terminal

claude mcp add --transport http marketcode https://mcp.marketcode.ai/mcp

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "marketcode": {
      "url": "https://mcp.marketcode.ai/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "marketcode": {
      "type": "http",
      "url": "https://mcp.marketcode.ai/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://mcp.marketcode.ai/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 7, 2026. The maker wrote them, not us; we show them as plain text.

  • entity_search_capabilities

    Governed entity families, criteria, coverage and query limits. Call before building searches. Free.

  • lookup_entities

    Find public records by title/address text, postcode or public UUID. Exact and lexical lookup uses no model or embeddings; supports token prefixes and bounded typo tolerance in accepted search publications. Returns separate families with UUID detail links and explicit searched cov

  • ask_question

    Use the SAME Ask router as the portal. Route a place/kind into the published taxonomy, a dated figure to the governed semantic query, or exact company/property/title references to a bounded corporate network/path. This tool proposes execution; it does not execute paid work. Respe

  • search_entities

    Bounded public search using the versioned SearchQuery. Criteria are validated by the server; sorting and pagination use the same eligibility as the map. All Entities returns separate groups. No graph inference or unknown evidence changes eligibility. QUERY SHAPE — `query` is one

  • search_summary

    Counts and statistics over EXACTLY what `search_entities` would match: how many records, grouped by a field, with min, median, mean and max of up to three numeric fields. Use it for "how many", "what share", "median floor area" and "price by type" questions instead of paging thro

  • market_profile

    One market profile: an area × residential bedroom cohort with every published measure — asking sale price and rent, completed sale price, gross yield on asking, live stock, new listings, price reductions, turnover and registry sale volume — each with its `basis` sentence, unit, c

  • entity_relationships

    Recorded relationship evidence from the derived graph. Use canonical ids from search. Cite path provenance and publication dates. Bounded and eventually consistent; missing links do not establish absence, ownership or off-market status. No private ownership payloads are returned.

  • actor_network

    Investigate recorded corporate ownership, title and agency relationships. Requires the customer's account; never use an anonymous preview key. Depth 1–3, at most 100 nodes; clipped networks explicitly say truncated. Cite publication IDs and provenance on each hop. Missing links a

  • actor_path

    Find a recorded path between two corporate-network records within three hops. Requires the customer's account. A clipped search returns incomplete, never a claim that no relationship exists. Return the ordered hops with their source/publication evidence. Costs 15 credits (15p).

  • address_autocomplete

    Address autocomplete. Returns ranked candidates for a partial address or postcode. Use `address_resolve` to turn a candidate into a canonical UPRN. This is the free entry point: resolve, lookup and postcode listing are priced because they return OS AddressBase content, but narrow

  • address_resolve

    Resolve free-text address to canonical record (UPRN for UK). Costs 2 credits (2p); free on marketcode.ai.

  • address_by_uprn

    Look up an address by UPRN (UK only). Costs 1 credit (1p); free on marketcode.ai. Keyed on a UPRN, not an address: call `address_autocomplete` (free) to narrow, then `address_resolve` to get one.

  • address_by_postcode

    Return all addresses at a UK postcode. Costs 2 credits (2p); free on marketcode.ai.

  • property_lookup

    Full property record for a UPRN, grouped into tiers: identity, property, energy, building, land, risk, designations, infrastructure, ownership, provenance. Up to ~300 fields — null fields are omitted, so a typical urban flat returns fewer than a rural site with designations on it

  • property_reconcile

    Cross-source property facts with provenance and unresolved attributes. Review floor area, bedrooms and tenure with the user before a valuation. `ml_primary` and `imputed` are predictions, not measurements; a warehouse value is not automatically declared. `eligible_as_primary: fal

  • market_facts

    Price, price per sqm and turnover rate for ONE geography × asset class × bedroom band × period, from the pre-cubed area_facts table. Metrics: sales_price, price_psm, turnover_rate are populated today. rental_value, gross_yield and days_on_market are NOT — the pipeline has never b

  • market_ranking

    Rank areas AGAINST EACH OTHER on a market metric — one row per area, AGGREGATED over a trailing window of whole months. This is the comparison tool. `market_facts` answers for one geography; calling it in a loop to build a league table is slower, costs more and gives you rows fro

  • market_volume_series

    Monthly transaction VOLUME for a postcode district, postcode area or county — every registered sale, 1995 to present, oldest month first. Use this, not `market_facts`, for "how many sales" questions. `market_facts` reads the area_facts cube, whose count is a UPRN-matched sample t

  • market_index_series

    The published house-price INDEX for one postcode district or local authority: the level per month (base period = 100), the forecast tail flagged, and provenance saying how the index was built. Use this for "how has W14 moved since 2015", "what is the trend in Camden", or to carry

  • market_yields

    Gross rental yield for an area and bedroom band on two bases, by month, with n: `gross_yield_asking` (12 × the month's median asking rent ÷ the median asking price of sale listings in the same area, band and month — different properties) and `gross_yield_avm_median` (the median,

  • market_forecast

    The published house-price index forecast for a postcode district or local authority: the last SETTLED index point as the anchor, then up to seven forecast periods with `lo`/`hi` bands, plus the method and publication grain behind them. Seven is the horizon the index publishes — n

  • supply_demand

    Supply and demand for an area in one call: live stock today (count, median days on market, new-home count) and the monthly flow — listings added and reduced, reduction share, new-home share, agent concentration, asking-to-sold on the registry-matched subset and days to completion

  • time_adjustment

    The factor that carries a price paid in a past month to the latest SETTLED month of the published repeat-sales house-price index: the postcode district's own series, else its local authority's, else the national series; forecast months are never used. Returns `factor`, the two in

  • commercial_index_series

    Repeat-sales CAPITAL index for UK commercial property, quarterly, 1995Q1 = 100. Three families exist and nothing else: national ALL; national x sector for the sectors that passed the level gate (OFFICE, RETAIL, HOTEL, HOLIDAY_LET); and local authority x ALL for the 19 authorities

  • commercial_rent_index_series

    Commercial RENT index from the VOA rating lists — FOUR points, one per list (2010 / 2017 / 2023 / 2026), each dated at that list's antecedent valuation date (2008-04-01, 2015-04-01, 2021-04-01, 2024-04-01), with the 2010 list = 100. READ `basis` AND REPEAT IT when you quote a num

  • market_volume_ranking

    Rank postcode districts by transaction volume or median price over a trailing window — "the busiest districts in Greater London last year", "the priciest districts in SW". Restrict the candidate set with county ("GREATER LONDON") or area ("SW"); omit both to rank nationally. UK o

  • transactions_by_uprn

    All HMLR Price Paid records joined to this UPRN, newest first. England & Wales only. Free. Keyed on a UPRN, not an address: call `address_autocomplete` (free) to narrow, then `address_resolve` to get one.

  • property_summary

    One-call summary of a property: what it is, what building it belongs to, and the headline attributes. Once you have the UPRN this is the first call to make for a specific property — it usually answers the question on its own, and `property_report` composes the rest. UK only. Cost

  • property_history

    Sold-price history for a property, with per-sale detail. Use `transactions_by_uprn` instead if you only need the raw HMLR rows. UK only. Free. Keyed on a UPRN, not an address: call `address_autocomplete` (free) to narrow, then `address_resolve` to get one.

  • property_comps

    Comparable sales in the same building or block. Preserve original price, sale date, UPRN and `attrs_source`. Backfilled/modelled floor areas are estimates: their derived price per square metre is not directly observed. An EPC room count is not automatically a bedroom count. Revie

  • property_flood_risk

    Environment Agency surface-water flood risk for a property. UK only. Free. Keyed on a UPRN, not an address: call `address_autocomplete` (free) to narrow, then `address_resolve` to get one.

  • valuation_estimate

    Automated value estimate for a property: a point value plus a range. Returns 404 when we hold no valuation for the UPRN — most often because the unit has no floor area on record, which the model requires. UK only. Free. Keyed on a UPRN, not an address: call `address_autocomplete`

  • valuation_full

    Full valuation block for a property: the value and its range, a monthly back-series (the value scaled by the local £/m² index, so it terminates at the headline figure by construction), a rental estimate where the district benchmark supports one, and a `trust_score` scoring the ev

  • property_lease

    Registered leases linked to this UPRN, with the selected longest-expiry record and up to ten alternatives, exact register property descriptions, title/record identifiers, source/link limitations and computed remaining term. UPRN linkage does not verify the legal demise: a garage,

  • property_lease_batch

    `property_lease` for up to 100 properties in one call, per-item outcomes (ok | no_lease | not_found | error) in input order. Charged per property answered — the sum of the single calls, never more. UK only. Costs 5 credits (5p). Keyed on a UPRN, not an address: call `address_auto

  • property_risk_report

    What this property is in, and whether we actually checked: every designation and hazard flag THREE-VALUED with its source — flood (zone, historic flooding, defences, rivers-and-sea band, surface water), coal (high-risk area, past mining, surface hazard distance), heritage (listed

  • property_risk_report_batch

    `property_risk_report` for up to 100 properties in one call, per-item outcomes (ok | not_found | error) in input order. Charged per property answered — the sum, never more. UK only. Costs 5 credits (5p). Keyed on a UPRN, not an address: call `address_autocomplete` (free) to narro

  • comps_adjustments

    The evidence behind a valuation, itemised: same-building comparable sales for the property, each with its registered price and date, its time adjustment on the published repeat-sales index (the district's own series, else the local authority's, else national) to the index's lates

  • valuation_comparables

    Comparable completed sales for a valuation, beyond the property's own building: Land Registry sales of the nearest units (within 1 km, the 60 months before `as_of`), widening from 250 m and 12 months until at least 6 qualify. A sale qualifies when it is the same broad type (flats

  • valuation_rent_comparables

    Comparable lets for a market rent, and the rent they indicate. ASKING rents from portal adverts: no achieved rents exist, so say "asking" when you quote them. Reads the rent adverts of the nearest units (within 1 km, last seen in the 24 months before `as_of`), widening from 250 m

  • subject_transaction_anchor

    The property's own last registered sale carried by the published repeat-sales index to its latest settled month: the price paid, the date, the index factor applied and the anchored value. Where a property has sold, this is the strongest single piece of evidence a valuation has. W

  • valuation_accuracy

    How accurate our valuations have been, measured the only way that cannot leak: each month, every registered sale the model had ALREADY valued is compared with the price actually paid — MdAPE (median absolute percentage error), PPE20 (share within 20%) and n, per asset class and m

  • planning_designations

    Every planning designation affecting a location, in one call: conservation area, listed building, green belt, AONB, national park, flood zone, Article 4, brownfield, ancient woodland, heritage at risk, TPO, AQMA and scheduled monument. Give either `postcode` (full UK postcode) or

  • planning_check

    The planning designation checks you choose, for one location, in one call. `checks` is any of: article_4, brownfield, ancient_woodland, heritage_at_risk, tpo, aqma, scheduled_monument, sssi, agricultural_land, flood_risk, green_belt, listed_buildings, aonb, national_park, conserv

  • planning_applications

    Planning applications near a location, from the register we hold: the reference, proposal, type, decision and dates of each, nearest first. COVERAGE IS LONDON (the London authorities, GLA Planning London Datahub); outside London an empty list is NOT a clean planning history. For

  • constraints_for_geometry

    Every planning and environmental designation on a red line, a piece of land or a point, from the current published layers: green belt, National Landscapes, national parks, SSSI, SAC, SPA, Ramsar, ancient woodland, nature reserves, nutrient neutrality, listed buildings, scheduled

  • strategic_sites

    Local plan site allocations, broad locations, land availability assessment (SHLAA/HELAA/LAA) sites and call-for-sites submissions, in an authority or near a site (`radius_m`, up to 10 km). Each site carries the council's own reference, units and area AS PUBLISHED beside our calcu

  • policy_context

    The planning policy picture for a site: the adopted and emerging local plan with stage and dates, the local plan policies whose areas cover the site (reference, name, theme, a text extract, the share of the site), the settlement position (inside, outside or straddling a settlemen

  • lpa_profile

    A planning authority at a glance: its local plans with stage, dates, period and housing requirement; the plan timetable; the Housing Delivery Test result and consequence and other published facts (five-year supply, affordable %, CIL) each with its source and date; Planning Inspec

  • planning_appeals

    Planning Inspectorate appeal decisions in an authority: case reference, the council's application reference, appeal type and procedure, site address, development type, decision and date. England, decided from October 2021 (the Inspectorate's open casework). Filter by decision and

  • grid_capacity

    Primary substations near a site, nearest first, with each network operator's published demand and generation headroom, voltage and distance; renewable energy projects (REPD) nearby; and which operators' figures we hold. Headroom is the operator's heat-map figure on its file date,

  • site_access

    The nearest bus stops, rail stations, metro or tram stops, ferry terminals and open schools to a site, straight-line in metres, with names and NaPTAN or school references. A school catchment is not a distance, and the school's phase is not held. England (stops GB where published)

  • area_resolve

    Resolve an area name or code ("Hackney", "E5") to its area_id, centroid and full hierarchy as breadcrumbs. Call this first when a question is about a named area rather than a specific address. UK only. Free.

  • area_reverse_geocode

    The area of a given type containing a coordinate. `type_id` is an area type UUID and is required — a point sits inside one area per geography layer, so without it the answer would be ambiguous. UK only. Free.

  • ownership_by_title

    Registered proprietor(s) for an HMLR title number. England & Wales only. Costs 15 credits (15p).

  • ownership_by_company

    Titles held by a company, by Companies House number. Useful for mapping a landlord's or developer's portfolio. England & Wales only. Costs 15 credits (15p).

  • auction_lots

    Individual UK auction lots: the guide price a lot was marketed at, whether it sold, the HAMMER PRICE where the auctioneer published one, and the net yield where quoted. Five auction houses, Allsop back to 1999. Nothing else on the market sells achieved auction outcomes through an

  • auction_stats

    Quarterly UK auction statistics by postcode district: lots offered, lots sold, the sale rate, and average guide, achieved and net yield. Use this for the shape of a local auction market over time — is it clearing, are yields moving, is stock rising. For individual comparables use

  • distressed_assets

    Properties that keep going to auction and NEVER SELL — the distress screen. The clearest distress signal in the warehouse: a vendor who wants out and a market that has said no more than once, both on the public record. Ranked by how many separate auctions the lot has failed at, t

  • cost_index

    Construction cost index series for a development appraisal's cost side: `basis` is tender (tender price indices), output (output price indices), deflator (the construction deflator) or labour. Optional `sector` (residential, commercial, industrial, infrastructure, all, …), `freq`

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ! Caution

    Maker matches the repo

    The registry lists no source repo, so we cannot match the publisher (marketcode.ai) to the code

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 160 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 60 tool descriptions and found no hidden instructions to the AI

Compared with others in Otheri

  • More stars than 0% of the other 32623 servers in this category
  • Published to the registry more recently than 80% of the other 32623 servers in this category
  • Basic checks equal to or better than 37% of the other 32623 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is MarketCode safe?

It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.0) reached the registry 8 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Draugr

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README from the maker

No README found in the repo

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