Cook County / Chicago Property Data (free tier, no wallet needed)

com.ingest0r.api/cook-county-property-dataVersion 0.4.3

Cook County / Chicago property by address or PIN: sales, permits, assessments, comps. 100 free/day.

Status

Responds443 msNov 14, 2026, 14:01 UTCAnswered our handshake without sign-in.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:01 UTC
Latency: 443 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://api.ingest0r.com/mcpResponds443 msNov 14, 2026, 14:01 UTC

No sign-in

Claude Code

claude mcp add --transport http cook-county-property-data https://api.ingest0r.com/mcp

Claude Desktop and claude.ai

1
2
3

Settings > Connectors > Add custom connector
Name: cook-county-property-data
Remote MCP server URL: https://api.ingest0r.com/mcp

Cursor

{
  "mcpServers": {
    "cook-county-property-data": {
      "url": "https://api.ingest0r.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"cook-county-property-data","type":"http","url":"https://api.ingest0r.com/mcp"}'

Built your own server? run.zero hosts MCP servers on European infrastructure.

Host your own MCP server on run.zero

Tools

5 tools

Tools of Cook County / Chicago Property Data (free tier, no wallet needed)
	Description		Read-only	Idempotent	Open world
`find_chicago_comparable_sales`FREE for your first 100 calls each day — no wallet, no signup, just call it ($0.10 per call via x402/USDC only after that daily allowance, which resets at 00:00 UTC). Recent arm's-length comparable sales (comps) in the same Cook County assessor neighborhood and property class as the given PIN, each with its distance in metres from the subject, plus an implied low/median/high price range — a derived, lightweight automated valuation (AVM) you won't get from a raw open-data query. Thin markets widen automatically and the response reports which matching rung was used. Comps are NOT normalized for building size or age.	FREE for your first 100 calls each day — no wallet, no signup, just call it ($0.10 per call via x402/USDC only after that daily allowance, which resets at 00:00 UTC). Recent arm's-length comparable sales (comps) in the same Cook County assessor neighborhood and property class as the given PIN, each with its distance in metres from the subject, plus an implied low/median/high price range — a derived, lightweight automated valuation (AVM) you won't get from a raw open-data query. Thin markets widen automatically and the response reports which matching rung was used. Comps are NOT normalized for building size or age.	No	Yes	Yes	Yes
`get_cook_county_parcel`FREE for your first 100 calls each day — no wallet, no signup, just call it ($0.01 per call via x402/USDC only after that daily allowance, which resets at 00:00 UTC). Cook County, IL parcel record for a 10- or 14-digit PIN. Returns: pin, prop_address, prop_city, prop_zip, class, township_name, nbhd_code, municipality, ward, police_district, census_tract_geoid, school_elementary_district, school_secondary_district, walk_score_cmap, airport_noise_dnl, lat, lon, tax_year. The cheap single-property lookup — use get_cook_county_property_dossier for sales, permits and assessments.	FREE for your first 100 calls each day — no wallet, no signup, just call it ($0.01 per call via x402/USDC only after that daily allowance, which resets at 00:00 UTC). Cook County, IL parcel record for a 10- or 14-digit PIN. Returns: pin, prop_address, prop_city, prop_zip, class, township_name, nbhd_code, municipality, ward, police_district, census_tract_geoid, school_elementary_district, school_secondary_district, walk_score_cmap, airport_noise_dnl, lat, lon, tax_year. The cheap single-property lookup — use get_cook_county_property_dossier for sales, permits and assessments.	No	Yes	Yes	Yes
`get_cook_county_property_dossier`FREE for your first 100 calls each day — no wallet, no signup, just call it ($0.03 per call via x402/USDC only after that daily allowance, which resets at 00:00 UTC). Full Cook County / Chicago property dossier for a PIN: parcel basics, recorded sales & deed history, building permits, property-tax assessment history, and neighborhood / ward / school / walkability context — the one-call due-diligence record. Permits are LINKED to the PIN here (the raw permit open-data has no PIN; links are derived by address + geo match), so this is a finished record you cannot reproduce with raw open-data queries. Note assessment values are ASSESSED values (~10% of market for most residential classes), not market prices — see assessment_note in the response.	FREE for your first 100 calls each day — no wallet, no signup, just call it ($0.03 per call via x402/USDC only after that daily allowance, which resets at 00:00 UTC). Full Cook County / Chicago property dossier for a PIN: parcel basics, recorded sales & deed history, building permits, property-tax assessment history, and neighborhood / ward / school / walkability context — the one-call due-diligence record. Permits are LINKED to the PIN here (the raw permit open-data has no PIN; links are derived by address + geo match), so this is a finished record you cannot reproduce with raw open-data queries. Note assessment values are ASSESSED values (~10% of market for most residential classes), not market prices — see assessment_note in the response.	No	Yes	Yes	Yes
`get_free_sample`FREE ($0, unlimited, no payment, no wallet): a fixed, representative example of every response shape this server returns for Cook County / Chicago property data — address search, parcel, dossier (recorded sales, building permits, assessment history) and comparable sales. Call this FIRST to validate the data structure before anything else. For REAL verified data at $0, call get_cook_county_property_dossier with one of the always-free example PINs 09253060510000, 09253140190000, 09253050270000.	FREE ($0, unlimited, no payment, no wallet): a fixed, representative example of every response shape this server returns for Cook County / Chicago property data — address search, parcel, dossier (recorded sales, building permits, assessment history) and comparable sales. Call this FIRST to validate the data structure before anything else. For REAL verified data at $0, call get_cook_county_property_dossier with one of the always-free example PINs 09253060510000, 09253140190000, 09253050270000.	No	Yes	Yes	Yes
`search_chicago_property_by_address`ALWAYS FREE, unlimited, no wallet and no signup. Resolve a Cook County / Chicago street address (full or partial) to its parcel PIN(s) — ranked candidates with address, city, ZIP, a match score and a match_quality flag. A trailing city/state/ZIP is fine ('1 E 113th St, Chicago, IL 60628'). CHECK match_quality: 'exact' is certain, 'likely' shares the house number, and 'weak' means NO candidate matched the house number — do not rely on a weak hit. Call this FIRST when you have an address but not a PIN, then pass a returned pin to get_cook_county_parcel / get_cook_county_property_dossier / find_chicago_comparable_sales. Coverage: Cook County, Illinois — Chicago plus 100+ suburbs including Evanston, Oak Park, Cicero and Skokie.	ALWAYS FREE, unlimited, no wallet and no signup. Resolve a Cook County / Chicago street address (full or partial) to its parcel PIN(s) — ranked candidates with address, city, ZIP, a match score and a match_quality flag. A trailing city/state/ZIP is fine ('1 E 113th St, Chicago, IL 60628'). CHECK match_quality: 'exact' is certain, 'likely' shares the house number, and 'weak' means NO candidate matched the house number — do not rely on a weak hit. Call this FIRST when you have an address but not a PIN, then pass a returned pin to get_cook_county_parcel / get_cook_county_property_dossier / find_chicago_comparable_sales. Coverage: Cook County, Illinois — Chicago plus 100+ suburbs including Evanston, Oak Park, Cicero and Skokie.	No	Yes	Yes	Yes

Details

Registry status: Active
Published: Oct 16, 2026
Updated: Oct 16, 2026
Website: https://api.ingest0r.com/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): Data and analyticsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

Are you the operator? Claim this listing