528 5th Street, Brooklyn, NY 11215
BBL 3010840032 (Borough 3, Block 1084, Lot 32) · BIN 3025592 · Last updated:
Summary · as of October 31, 2026
528 5th Street (Brooklyn, NY 11215; tax lot BBL 3010840032) is an 8-unit walk-up apartment building (building class C1: walk-up apartments, more than six families, no stores), built around 1920, on a 2,550 sq ft lot zoned R6B. City tax records list the owner as 528 5TH ST REALTY LLC; per ACRIS, a deed to this owner dated May 5, 2026 lists a price of $2,800,000. The Department of Finance's final market value for tax year 2027 is $3,373,000. As of October 31, 2026, NYC Open Data shows 16 open HPD violations. There were no 311 requests in the past 12 months and five HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- 528 5TH ST REALTY LLC
- Building class
- C1 · Walk-up apartments, more than six families, no stores
- Year built · units
- 1920 · 8 res.
- Lot area · zoning
- 2,550 sq ft · R6B
- Market value (DOF)
- $3,373,000 FY2027
- Last priced deed
- $2,800,000 · 2026-05-05
- BBL
- 3010840032
- BIN
- 3025592
- 0Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 0Active ECB violations
- 16Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “528 5th Street, Brooklyn, NY 11215 (BBL 3010840032)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/528-5th-street-3010840032. Source: NYC Open Data.
Lot & building
Basic facts about the tax lot and building from the city’s PLUTO database.
- Owner (as listed by the city)
- 528 5TH ST REALTY LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- C1 – Walk-up apartments, more than six families, no storesThe Department of Finance’s category for what kind of building this is.
- Land use
- Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
- Year built
- 1920Often an estimate for older buildings.
- Floors
- 4
- Units
- 8 residential / 8 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,550 sq ft (25.5 ft × 100 ft)
- Building floor area
- 7,104 sq ft
- Zoning
- R6BThe zoning district sets what can be built and used here. Residential district.
- Built vs. allowed density (FAR)
- 2.79 built / 2.00 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
- Identifiers
- BBL 3010840032 (Borough 3, Block 1084, Lot 32) · BIN 3025592BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).
Agency lookups: DOB BIS · ZoLa (zoning map) · ACRIS
Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-02; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01
Tax assessment
How the Department of Finance values this lot for property tax.
- Market value (tax year 2027, final roll)
- $3,373,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
- Assessed value
- $1,517,850The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $225,979Assessed value minus any exemptions.
- Tax class
- Tax class 2B – residential rental, 7–10 units
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $3,373,000 | $1,517,850 | 2B |
| 2026 | Final | $3,330,000 | $1,498,500 | 2B |
| 2025 | Final | $4,162,000 | $1,872,900 | 2B |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-02
Sales & deed history 6
Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.
| Date | Type | Price | Seller (grantor) | Buyer (grantee) | Doc ID |
|---|---|---|---|---|---|
| 2026-05-05 | DEED | $2,800,000 | 528 Fifth Street Llc | 528 5th St Realty Llc | 2026051300097001 |
| 2018-07-31 | DEED | $4,211,572 | Nicole Love Llc | 528 Fifth Street Llc | 2018080600745001 |
| 2016-05-17 | DEED | $3,800,000 | Shiller, Leonard; Shiller, Elyse | Nicole Love Llc | 2016051901066001 |
| 1979-05-08 | DEED | $0 / not stated | Corrigan Robert | Cele Taylor Inc | BK_7930107100198 |
| 1979-05-08 | DEED | $0 / not stated | Cele Taylor Inc | Shiller Elyse; Shiller Leonard | BK_7930107100200 |
| 1966-07-27 | DEED | $0 / not stated | Charalambous Stamata; Charalambous Andreas | Corrigan Robert | BK_6630020200131 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-02; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-02
DOB job filings 0 open of 3
A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.
| Status | Job # | Type | Filed | Est. cost |
|---|---|---|---|---|
| Not open SIGNED OFF · 2019-12-23 | 321990271 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2019-05-13 | $103,000 |
| Not open SIGNED OFF · 2019-05-16 | 321822836 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2018-08-13 | $190,000 |
| Not open SIGNED OFF · 2016-12-13 | 340417301 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2016-08-29 | $11,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-02; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31
Work permits 10
Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.
| Issued | Expires | Job # | Work | Permit status |
|---|---|---|---|---|
| 2019-07-12 | 2021-01-31 | 321990271 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2019-06-18 | 2019-11-06 | 321990271 BIS | Equipment work / Mechanical/HVAC | ISSUED (initial) |
| 2019-06-18 | 2019-11-06 | 321990271 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2018-11-07 | 2019-11-06 | 321822836 BIS | Equipment work / Mechanical/HVAC | ISSUED (renewal) |
| 2018-11-07 | 2019-11-06 | 321822836 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2018-11-02 | 2019-11-02 | 321822836 BIS | Plumbing / Plumbing | ISSUED (renewal) |
| 2018-09-26 | 2018-11-06 | 321822836 BIS | Equipment work / Mechanical/HVAC | ISSUED (initial) |
| 2018-09-20 | 2018-11-06 | 321822836 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 2018-09-20 | 2019-09-20 | 321822836 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2016-09-06 | 2017-09-06 | 340417301 BIS | Plumbing / Plumbing | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-02; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 0 active of 2
Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).
| Status | Issued | Type | Description | Number |
|---|---|---|---|---|
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2023-06-20 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION | V*062023LBLVIO23601 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2006-01-06 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*010606LL629110049 |
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-02
ECB violations (DOB) 0 active of 1
DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.
| Status | Issued | Severity | What it was for | Penalty / paid / balance | ECB # |
|---|---|---|---|---|---|
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 2019-06-11 | CLASS - 2 | OBSERVED INTERIOR COURT YARD FLOOR DRAIN CLOGGED AND RAIN WATER BUILT UP AND STANDING. NO OTHER ACTIVE DRAIN IN THE COURT YARD AND WATER OVERFLOWING TO CELLAR LEVEL. , MAINTAIN EXTERIOR BUILDING WALL; CLEAN TH | $0 / $0 / $0 | 39004007Y |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02
OATH tickets (all agencies) 0 unpaid of 10
Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.
| Status | Date | Agency | Charge | Respondent | Imposed / paid / balance | Ticket # |
|---|---|---|---|---|---|---|
| No balance due PAID IN FULL | 2025-04-11 | Sanitation Others | IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST | 528 FIFTH STREET LLC | $50 / $100 / $-50 | 048945139R |
| No balance due Default PAID IN FULL · DEFAULTED | 2024-10-25 | Dep - Bureau Of Env. Complianc | IDLING MOTOR VEHICLE ENGIN OVER 1MIN WHILE ADJACENT TO SCHOOL 3RD SUB | AMAZON LOGISTICS INC | $2,000 / $2,608 / $0 | 000888617M |
| No balance due PAID IN FULL | 2024-08-23 | Sanitation Others | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | 528 FIFTH STREET LLC | $50 / $50 / $0 | 048394361J |
| No balance due PAID IN FULL | 2023-10-10 | Sanitation Others | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | 528 FIFTH STREET LLC | $50 / $50 / $0 | 047871145H |
| No balance due Default DEFAULTED · IN VIOLATION | 2019-06-11 | Dept. Of Buildings | FAILURE TO MAINTAIN BUILDING WALL S OR APPURTENANCES | 528 FIFTH STREET LLC | $0 / $0 / $0 | 039004007Y |
| No balance due PAID IN FULL | 2012-09-22 | Dos - Enforcement Agents | NON-RECYC LEFT IN RECYC CONTAINER FOR COLLECTION(1TO8 DWELLING UNITS) | LEONARD SHILLER ELYSE | $25 / $25 / — | 041396836Z |
| No balance due PAID IN FULL | 2011-05-21 | Dos - Enforcement Agents | MAINTAINING RECEPTACLES | LEONARD SHILLER ELYSE | $100 / $100 / — | 041593799L |
| No balance due PAID IN FULL | 2007-05-26 | Dos - Enforcement Agents | NON-RECYCLABLES LEFT IN RECYCLING CONTAINER FOR COLLECTION | LEONARD SHILLER ELYSE | $25 / $25 / — | 041790106M |
| No balance due PAID IN FULL | 2007-03-24 | $25 / $25 / — | 041020472L | |||
| No balance due PAID IN FULL | 2004-04-09 | $100 / $100 / — | 0142064881 |
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-02
HPD registration & contacts
Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.
- HPD building ID
- 131702
- Last registered
- 2026-06-23
- Registration valid until
- 2027-09-01 CurrentRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Agent | Arthur Gabriel | Brooklyn, Ny | |
| Corporateowner | 528 5th st realty llc | Brooklyn, Ny | |
| Headofficer | Arthur Gabriel | Brooklyn, Ny |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-11-02; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-02
HPD housing-code violations 16 open of 31
Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.
| Status | Class | Issued | Apt | Condition |
|---|---|---|---|---|
| Open Nov Sent Out · 2020-10-21 | C | 2020-10-21 | § 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM .. AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2017-09-08 | B | 2017-09-08 | 2R | § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE ELECTRICAL OUTLET AT EAST WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2017-08-25 | A | 2017-08-25 | 2R | § 27-2005 ADMIN. CODE: PROPERLY REPAIR THE BROKEN OR DEFECTIVE INOPERATIVE BELL BUZZER RETURN SYSTEM FROM THE STRRET ENTRANCE TO THE APARTMENT IN THE PRIVATE HALLWAY LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH |
| Open Nov Sent Out · 2017-08-25 | A | 2017-08-25 | § 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2017-08-25 | A | 2017-08-25 | § 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2017-02-02 | B | 2017-02-02 | 4R | § 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE .. LOCATED AT APT 4R, 4th STORY, APARTMENT AT WEST |
| Open Nov Sent Out · 2016-11-29 | B | 2016-11-29 | 4R | SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2016-11-29 | B | 2016-11-29 | 4R | SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2016-08-11 | C | 2016-08-11 | 4R | SECTION 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2016-08-11 | A | 2016-08-11 | 4R | SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT CEILING IN THE BATHROOM LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2016-08-11 | B | 2016-08-11 | SECTION 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF FURNITURE, HOUSEHOLD AND SHOPPING CARTS AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2016-08-11 | C | 2016-08-11 | 4R | SECTION 27-2070 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Open Nov Sent Out · 2016-08-10 | A | 2016-08-10 | SECTION 27-2011 ADM CODE CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE ALL STORIES AT PUBLIC HALL | |
| Open Nov Sent Out · 2016-08-04 | C | 2016-08-04 | SECTION 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED. AT CELLAR | |
| Open Nov Sent Out · 2016-08-04 | B | 2016-08-04 | 2L | SECTION 27-2070 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES ..... LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2016-08-01 | C | 2016-08-01 | 2L | SECTION 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Closed Violation Dismissed · 2023-12-27 | C | 2023-10-04 | § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BOILER ROOM | |
| Closed Violation Dismissed · 2024-01-02 | B | 2023-10-04 | 1R | § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Closed Violation Dismissed · 2024-01-02 | C | 2023-10-04 | 1R | § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE IN THE ENTRANCE LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST |
| Closed Violation Closed · 2023-10-27 | C | 2023-10-04 | 1R | § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST |
Showing 20 of 31 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-02
HPD complaints 5
Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.
| Received | Status | Apt | Problem(s) | Outcome |
|---|---|---|---|---|
| 2024-07-23 | CLOSE | BLDG | Unsanitary Condition – Garbage/Recycling Storage | The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. |
| 2023-10-01 | CLOSE | 2R | Heat/Hot Water – Apartment Only | More than one complaint was received for this building-wide condition. This complaint status is for the initial complaint.The Department of Housing Preservation and Development contacted an occupant o |
| 2023-10-01 | CLOSE | BLDG | Heat/Hot Water – Entire Building | The Department of Housing Preservation and Development inspected the following conditions. Violations were issued. Information about specific violations is available at www.nyc.gov/hpd |
| 2021-01-12 | CLOSE | 4L | Unsanitary Condition – Pests | The Department of Housing Preservation and Development was not able to gain access to inspect the following conditions. The complaint has been closed. If the condition still exists, please file a new |
| 2020-10-18 | CLOSE | 1R | Heat/Hot Water – Entire Building | The Department of Housing Preservation and Development responded to a complaint of no heat or hot water and was advised by a tenant in the building that heat and hot water had been restored. If the co |
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-02; data as of 2026-11-02
311 requests (last 12 months) 0
Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.
No records found in this dataset for this lot.
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02
Nearby properties
On 5 St
- 529 5th Street (one open item)
- 530 5th Street (43 open items)
- 525 5th Street (26 open items)
- 524 5th Street (21 open items)
- 532 5th Street (three open items)
- 523 5th Street (one open item)
- 522 5th Street (17 open items)
- 536a 5th Street (13 open items)
- 519 5th Street (three open items)
- 540 5th Street (three open items)
Same tax block (1084)
- 522 5th Street (17 open items)
- 524 5th Street (21 open items)
- 530 5th Street (43 open items)
- 532 5th Street (three open items)
- 536a 5th Street (13 open items)
- 540 5th Street (three open items)
- 504 8th Avenue (14 open items)
- 501 6th Street (34 open items)
- 26 7th Avenue (42 open items)
All properties on 5 St, Brooklyn · All of Brooklyn 11215 (Park Slope)
Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs