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cityparity — Cost-of-Living & Quality-of-Life Comparison MCP server

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by cityparity.com·com.cityparity/cityparity·v0.1.0·2 stars
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Cost-of-living & quality-of-life comparison: take-home pay, equivalent salary, safety-net deltas.

B77/100grade B
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cityparity — Cost-of-Living & Quality-of-Life Comparison tools (6)

write = sends, deletes, buys or posts
  • compare_citiesFree

    Compare two cities for one household: take-home pay, full cost breakdown, the equivalent target salary needed to match source net cash, non-cash lifestyle deltas (vacation, parental leave, healthcare), and a 0-100 quality score on five weighted dimensions. Use this for a head-to-head between two named cities; for a single city call get_city_summary, and to rank many cities call rank_cities. Read-only, no side effects; returns a text summary plus structured JSON. RSU income is NOT a parameter; RSU is treated as source-only because grants typically do not follow you across employers.

  • get_city_summaryFree

    Concise profile of one city: currency, tax shape (bracket count + top rate + payroll/national insurance), headline costs (rent / groceries / transit / childcare), safety-net values (parental leave, vacation, universal healthcare), and data freshness. Lighter than compare_cities; use when the user is asking about one place rather than a comparison. On parental leave, quote safety_net.parental_leave_summary rather than building your own sentence: some countries (Ireland, Australia, the UK, Czechia, part of Sweden) pay a flat weekly cash sum instead of a share of salary, so parental_leave_paid_pct is 0 or partial for them and stating it alone would wrongly call their leave unpaid. safety_net.avg_commute_minutes is a ONE-WAY commute, a single leg rather than a daily round trip: report it as "about N minutes each way", and double it yourself if the user asked what they spend commuting per day. It is door to door, averaged over every commuter regardless of mode, for the metro area, and excludes people who work from home. Read-only, no side effects; returns a text summary plus structured JSON.

  • get_inbound_tax_regimeFree

    Look up a city's inbound-worker tax regime, the special reduced-tax schemes for relocating workers that general cost-of-living tools do not surface. Returns regime=null when the country has no modeled regime, which is most cities. Modeled across 13 regimes in Belgium, Denmark, Germany, Greece, Ireland, Italy, Netherlands, Norway, Poland, Portugal, Spain, Sweden and the UK. Roughly half grant an actual reduction (a reduction_pct or a flat_rate) and the rest are note-only: the regime exists but grants a relocating employee nothing, so reduction_pct and flat_rate are null and the take-home is computed on ordinary tax. Each entry returns the mechanic, duration, income cap if any, and a note stating the salary floor where one exists and which eligibility conditions we do not test. Read-only, no side effects; returns a text summary plus structured JSON.

  • get_safety_netFree

    Batch lookup of safety-net values for 1 to 20 cities at once: parental leave weeks + how it is paid, universal healthcare flag, vacation days, public holidays (public_holidays is the count the statute lists; public_holidays_effective is how many of those fall on a working day once you account for whether the country replaces a weekend holiday, so quote the effective figure whenever you compare two places on time off), plus each city's safety_net dimension score (0-100) for relative strength. This is the only tool that accepts many cities in one call: use it to line several places up on family / leave / healthcare benefits. On parental leave, quote parental_leave_summary rather than composing your own line from parental_leave_paid_pct: Ireland, Australia, the UK, Czechia and part of Sweden pay a flat weekly cash sum instead of a share of salary, so their headline percentage is 0 or partial and reading it alone would wrongly call their leave unpaid; Germany pays a percentage up to a monthly cap (parental_leave_capped) and pays nothing at all above a household-income ceiling. Check parental_leave_basis (percentage / flat / capped / mixed / unpaid) before making any claim about pay. On sick pay, quote sick_leave_policy rather than composing your own line from sick_leave.phases: it is the STATUTORY FLOOR for someone in their first year of service, phases run one AFTER another rather than stacking, and the durations carry units that differ by country (Slovenia counts working days, Denmark counts calendar days), so sick_leave.paid_weeks is deliberately null wherever the phases are measured against different reference periods and no single total exists. For one city's full profile (tax shape + costs + safety net together) call get_city_summary instead; for a two-city head-to-head that includes cost-of-living use compare_cities. Read-only, no side effects; returns a text summary plus structured JSON.

  • list_citiesFree

    List all city slugs supported by cityparity, grouped by country. Call this first to discover valid slugs before any other tool; the optional country filter narrows to one country. Read-only, no side effects; returns a text summary plus structured JSON.

  • rank_citiesFree

    Rank supported cities by composite quality-of-life score across five weighted dimensions (financial, healthcare, vacation, childcare, safety_net). Returns top N (default 10), with filters for country, countries, region (europe/asia/north_america/south_america/oceania), has_universal_healthcare, include_cities, and exclude_cities. Use this to shortlist across many cities; for a head-to-head between two named cities use compare_cities. The same scenario is applied to every city so scores are directly comparable (default: single person, 2BR rent, $100k USD-equivalent gross). Read-only, no side effects; returns a text summary plus structured JSON.

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 531ms20/20
  • Tool poisoning6 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 93 days ago8/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year5/10
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How cityparity — Cost-of-Living & Quality-of-Life Comparison compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 50% of 48,255 servers
Tools
6
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
129 ms
faster than 77% of 30,031 servers
GitHub stars
2
more than 75% of 28,688 servers

What its tools let an agent do: 6 read

Install cityparity — Cost-of-Living & Quality-of-Life Comparison in Claude Code, Cursor or VS Code

claude mcp add --transport http cityparity https://mcp.cityparity.com/mcp
Add to Cursor

What the publisher says

From the cityparity — Cost-of-Living & Quality-of-Life Comparison repository's README, as published. We do not edit it. Read it on GitHub

cityparity MCP server

Cost-of-living and quality-of-life comparison tools that AI agents can call. Point an agent at two cities and it returns take-home pay, a full cost breakdown, the equivalent salary you'd need in the target city, and the non-cash deltas people actually move for: vacation, parental leave, universal healthcare.

Hosted at https://mcp.cityparity.com/mcp. Free, no API key, rate-limited at the edge. Built on the Model Context Protocol (spec 2025-06-18, Streamable HTTP).

  • Site:
  • Install docs (every client):
  • Machine-readable docs:
  • OpenAPI (REST mirror):

What it covers

About 165 cities across 69 countries. Most calculators stop at salary and rent. cityparity prices the social safety net (childcare subsidies, parental leave, statutory vacation, universal healthcare), so "the lower-salary city actually pays more" stops being a hand-wave and becomes a number.

Tools

City slugs are kebab-case (san-francisco, hong-kong). Call list_cities first if you're unsure.

Connect

Most modern clients speak Streamable HTTP and need no install. Just point them at the URL.

Claude Code

claude mcp add --transport http cityparity https://mcp.cityparity.com/mcp

Claude Desktop / ChatGPT Desktop

{
  "mcpServers": {
    "cityparity": {
      "url": "https://mcp.cityparity.com/mcp"
    }
  }
}

Claude Desktop config lives at ~/Library/Application Support/Claude/claudedesktopconfig.json (macOS) or %APPDATA%\Claude\claudedesktopconfig.json (Windows). ChatGPT Desktop uses …/OpenAI/ChatGPT/mcp.json. Restart the app after editing.

Cursor

{
  "name": "cityparity",
  "url": "https://mcp.cityparity.com/mcp"
}

Codex CLI

mcpServers:
  cityparity:
    url: https://mcp.cityparity.com/mcp

Stdio-only clients (this package)

If your client can't do HTTP MCP yet, the npm package in this repo bridges stdio → HTTP:

{
  "mcpServers": {
    "cityparity": {
      "command": "npx",
      "args": ["-y", "cityparity-mcp"]
    }
  }
}

The bridge (this package)

cityparity-mcp is a ~150-line stdio→HTTP forwarder. It reads line-delimited JSON-RPC from stdin, POSTs each line to the MCP endpoint, and writes the responses back to stdout (streaming SSE line by line). That's the whole job: no data, no calc engine, no secrets. Read bin/cityparity-mcp.mjs if you want to verify.

npm install -g cityparity-mcp   # or use npx, as above

Run the tests (zero dependencies, Node ≥ 20):

npm test

Methodology

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

cityparity — Cost-of-Living & Quality-of-Life Comparison: common questions

Is cityparity — Cost-of-Living & Quality-of-Life Comparison MCP server safe?
Mostly: it is graded B (77/100). Read the cityparity — Cost-of-Living & Quality-of-Life Comparison safety report
How do I install cityparity — Cost-of-Living & Quality-of-Life Comparison?
It runs remotely at mcp.cityparity.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does cityparity — Cost-of-Living & Quality-of-Life Comparison need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is cityparity — Cost-of-Living & Quality-of-Life Comparison maintained?
The last commit was 131 days ago (2026-06-26). The latest release is v0.1.0.
Is cityparity — Cost-of-Living & Quality-of-Life Comparison up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does cityparity — Cost-of-Living & Quality-of-Life Comparison compare with other MCP servers?
safety score 77/100 (higher than 50% of 48,255 servers); tools 6 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.