616 Brighton Beach Ave, Brooklyn, NY 11235
BBL 3086910053 (Borough 3, Block 8691, Lot 53) · BIN 3245116 · Last updated:
Summary · as of November 5, 2026
616 Brighton Beach Ave (Brooklyn, NY 11235; tax lot BBL 3086910053) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1928, on a 1,807 sq ft lot zoned R6. City tax records list the owner as 614-616 BRIGHT BEACH LLC; per ACRIS, a deed to this owner dated April 28, 2026 lists a price of $5,200,000 in a deed covering 2 lots. The Department of Finance's final market value for tax year 2027 is $2,003,000. As of November 5, 2026, NYC Open Data shows one DOB job with a permit issued but no sign-off, one active ECB violation and 59 open HPD violations. There were five 311 requests in the past 12 months and one HPD complaint since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- 614-616 BRIGHT BEACH LLC
- Building class
- S2 · Mixed-use: two-family home with one store or office
- Year built · units
- 1928 · 2 res.
- Lot area · zoning
- 1,807 sq ft · R6
- Market value (DOF)
- $2,003,000 FY2027
- Last priced deed
- $5,200,000 · 2026-04-28
- BBL
- 3086910053
- BIN
- 3245116
- 1Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 1Active ECB violations
- 59Open HPD violations
- 0OATH tickets with unpaid balance
How to cite: NYC Property Facts, “616 Brighton Beach Ave, Brooklyn, NY 11235 (BBL 3086910053)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/616-brighton-beach-ave-3086910053. 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)
- 614-616 BRIGHT BEACH LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- S2 – Mixed-use: two-family home with one store or officeThe Department of Finance’s category for what kind of building this is.
- Land use
- Mixed residential & commercialCity Planning’s broad category of how the lot is used.
- Year built
- 1928Often an estimate for older buildings.
- Floors
- 3
- Units
- 2 residential / 3 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 1,807 sq ft (18.42 ft × 98.08 ft)
- Building floor area
- 4,199 sq ft (incl. 1,386 sq ft commercial)
- Zoning
- R6, C1-2The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
- Built vs. allowed density (FAR)
- 2.32 built / 2.43 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 3086910053 (Borough 3, Block 8691, Lot 53) · BIN 3245116BBL 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 2026-11-05; 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)
- $2,003,000The 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
- $120,180The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $45,187Assessed value minus any exemptions.
- Tax class
- Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
| Tax year | Roll | Market value | Assessed value | Tax class |
|---|---|---|---|---|
| 2027 | Final | $2,003,000 | $120,180 | 1 |
| 2026 | Final | $1,817,000 | $109,020 | 1 |
| 2025 | Final | $1,574,000 | $94,440 | 1 |
Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-05
Sales & deed history 4
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 |
|---|---|---|---|---|---|
| 2026-04-28 | DEED | $0 / not stated one deed covering 2 lots; price is for all of them | Sir Realty Corp. | 614-616 Brighton Beach Llc | 2026051100174001 |
| 2026-04-28 | DEED | $5,200,000 one deed covering 2 lots; price is for all of them | Sir Realty Corp. | 614-616 Bright Beach Llc | 2026050100873001 |
| 1997-05-19 | DEED | $0 / not stated | Rubinstein, Milton | Sir Realty Corp | FT_3720005787872 |
| 1981-08-26 | DEED | $0 / not stated | Rubinstein Milton; Rubinstein Saul | Rubinstein Milton | BK_8130126001228 |
Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-05
DOB job filings 1 open of 2
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 |
|---|---|---|---|---|
| Permitted, not signed off PERMIT ISSUED - ENTIRE JOB/WORK · 2018-05-16 | 321741585 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2018-05-16 | $4,000 |
| Not open SIGNED OFF · 2007-05-01 | 302296502 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2007-01-23 | $25,000 |
Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-05; DOB Job Application Filings (BIS) — city dataset updated 2026-11-04; data as of 2026-11-05
Work permits 3
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 |
|---|---|---|---|---|
| 2018-05-16 | 2019-05-16 | 321741585 BIS | Plumbing / Plumbing | ISSUED (initial) |
| 2007-01-29 | 2007-12-31 | 302296502 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 2007-01-29 | 2008-09-05 | 302296502 BIS | Equipment work / Other / general construction | ISSUED (initial) |
Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-05; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31
DOB violations 0 active of 0
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).
No records found in this dataset for this lot.
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-05
ECB violations (DOB) 1 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 # |
|---|---|---|---|---|---|
| Active Hearing: WRITTEN OFF Written off refers to the penalty, not the violation. | 2007-05-08 | Hazardous | FAILURE TO PROVIDE REQUIRED MEANS OF EGRESS FOR EVERY FLOOR. NOTE: AT REAR OF BLDG EGRESS FROM 2ND & 3RD FL IS BLOCKED BY EXTENSION OF REAR 1ST FLOOR (STORE). NO DROP LADDER EXISTS FROM 3RD FL TO 2ND FL AND NO | $480 / $0 / $0 | 34578541P |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-05
OATH tickets (all agencies) 0 unpaid of 21
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 | 2024-12-02 | Sanitation Others | IMPROPER RECEPTACLES 1ST OCCURRENCE | SIR REALTY CORP | $50 / $50 / $0 | 048787466N |
| No balance due PAID IN FULL | 2023-03-30 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | SIR REALTY CORP | $50 / $50 / $0 | 047725177R |
| No balance due PAID IN FULL · SETTL IN-VIO | 2021-05-03 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | SIR REALTY CORP | $300 / $279 / $0 | 047186643P |
| No balance due WRITTEN OFF · WRITTEN OFF | 2017-08-05 | Dos - Enforcement Agents | SIDEWALK OBSTRUCTION | J S BRIGHTONM LLC | $300 / $0 / $0 | 045190085Z |
| No balance due WRITTEN OFF · WRITTEN OFF | 2017-07-01 | Sanitation Others | SIDEWALK OBSTRUCTION | J S BRIGHTON LLC | $300 / $0 / $0 | 0193725804 |
| No balance due Default PAID IN FULL · DEFAULTED | 2010-10-10 | Dos - Enforcement Agents | SIDEWALK OBSTRUCTION | J S BRIGHTON LLC | $130 / $100 / — | 041532860M |
| No balance due Default PAID IN FULL · DEFAULTED | 2010-10-09 | Dos - Enforcement Agents | SIDEWALK OBSTRUCTION | J S BRIGHTON LLC | $130 / $100 / — | 041323783R |
| No balance due HEARING COMPLETED · IN VIOLATION | 2007-07-27 | Fire Department Of Nyc | FAIL TO PROVIDE REQUIRED AFFIDAVIT PLANS | VALUE DEPOT STORE INC | — / — / — | 010938673M |
| No balance due WRITTEN OFF | 2007-05-08 | Dept. Of Buildings | FAILURE TO PROVIDE REQUIRED MEANS OF EGRESS FROM EVERY FLOOR. | SIR REALTY CORP | $480 / — / — | 034578541P |
| No balance due PAID IN FULL | 2007-03-13 | $100 / $100 / — | 040730523M | |||
| No balance due WRITTEN OFF | 2002-09-14 | SIDEWALK OBSTRUCTION | SIR REALTY CORP | $300 / — / — | 0130258215 | |
| No balance due PAID IN FULL · IN VIOLATION | 2002-04-09 | $50 / $50 / — | 0123478951 |
Showing 12 of 21 records. The API and the source dataset have the full list.
Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-05
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
- 213362
- Last registered
- 2020-11-09
- Registration valid until
- 2021-09-01 ExpiredRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Agent | Seth Rubenstein | Brooklyn, Ny | |
| Officer | Ira Rubenstein | Brooklyn, Ny | |
| Sitemanager | Seith Rubinstein | ||
| Headofficer | Seth Rubenstein | Brooklyn, Ny | |
| Corporateowner | SIR REALTY CORP | Brooklyn, Ny |
Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-05; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-05
HPD housing-code violations 59 open of 70
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 · 2026-05-01 | A | 2026-05-01 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Info Nov Sent Out · 2025-11-20 | I | 2025-11-20 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Nov Sent Out · 2025-06-06 | A | 2025-06-06 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Info Nov Sent Out · 2024-11-29 | I | 2024-11-29 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Nov Sent Out · 2024-04-09 | A | 2024-04-09 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Info Nov Sent Out · 2023-11-22 | I | 2023-11-22 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Nov Sent Out · 2023-03-21 | A | 2023-03-21 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Info Nov Sent Out · 2022-11-14 | I | 2022-11-14 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Info Nov Sent Out · 2022-02-23 | I | 2022-02-23 | §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISE | |
| Open Nov Sent Out · 2022-02-23 | A | 2022-02-23 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Nov Sent Out · 2021-04-07 | A | 2021-04-07 | (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS. | |
| Open Nov Sent Out · 2018-05-21 | A | 2018-05-21 | § 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 · 2018-05-21 | A | 2018-05-21 | § 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX .. AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2018-05-21 | A | 2018-05-21 | 2R | § 27-2076 ADM CODE DISCONTUNUE UNLAWFUL USE OF KITCHEN FOR SLEEPING PURPOSES BED IN KITCHEN IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2018-05-21 | A | 2018-05-21 | § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE MAIL BOXES AT PUBLIC HALL, 1st STORY | |
| Open Nov Sent Out · 2018-05-21 | A | 2018-05-21 | § 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING. AT P | |
| Open Nov Sent Out · 2018-05-21 | C | 2018-05-21 | § 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 · 2018-05-21 | B | 2018-05-21 | 2R | § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2018-05-21 | B | 2018-05-21 | 2R | § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH |
| Open Nov Sent Out · 2017-02-28 | A | 2017-02-28 | § 27-2011 ADM CODE CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE FLOORS AT ALL STORIES AT PUBLIC STAIRS AND PUBLIC HALLS |
Showing 20 of 70 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 2026-11-05; data as of 2026-11-05
HPD complaints 1
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 |
|---|---|---|---|---|
| 2025-01-10 | CLOSE | 2F | Safety – Smoke Detector Safety – Carbon Monoxide Detector | HPD attempted to conduct an inspection in response to this complaint, but was unable to complete the inspection. Please submit a new service request with 311 if the condition still exists. For more in |
Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-05; data as of 2026-11-05
311 requests (last 12 months) 5
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.
| Opened | Agency | Complaint | Status | Closed |
|---|---|---|---|---|
| 2026-10-03 | NYPD | Noise - Street/Sidewalk – Loud Talking | Closed | 2026-10-03 |
| 2026-10-03 | NYPD | Noise - Street/Sidewalk – Loud Talking | Closed | 2026-10-03 |
| 2026-10-02 | NYPD | Noise - Street/Sidewalk – Loud Talking | Closed | 2026-10-03 |
| 2026-09-16 | NYPD | Noise - Street/Sidewalk – Loud Talking | Closed | 2026-09-17 |
| 2026-01-21 | DEP | Noise – Noise: Manufacturing Noise (NK1) | Closed | 2026-01-23 |
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-05; data as of 2026-11-05
Nearby properties
On Brighton Beach Ave
- 617 Brighton Beach Ave (two open items)
- 615 Brighton Beach Ave (two open items)
- 614 Brighton Beach Ave (31 open items)
- 618 Brighton Beach Ave (11 open items)
- 613 Brighton Beach Ave (four open items)
- 612 Brighton Beach Ave (eight open items)
- 621 Brighton Beach Ave (11 open items)
- 611 Brighton Beach Ave (eight open items)
- 610 Brighton Beach Ave
- 622 Brighton Beach Ave (55 open items)
Same tax block (8691)
- 601 Brightwater Court (168 open items)
- 3115 Brighton 6 Street (28 open items)
- 3099 Brighton 6 Street (16 open items)
- 3089 Brighton 6 Street (46 open items)
- 602 Brighton Beach Ave (16 open items)
- 606 Brighton Beach Ave (two open items)
- 608 Brighton Beach Ave (28 open items)
- 610 Brighton Beach Ave
- 612 Brighton Beach Ave (eight open items)
- 614 Brighton Beach Ave (31 open items)
All properties on Brighton Beach Ave, Brooklyn · All of Brooklyn 11235 (Sheepshead Bay-Manhattan Beach-Gerritsen Beach)
Open-item counts as of November 5, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs