147 Bleecker Street, Manhattan, NY 10012
BBL 1005370035 (Borough 1, Block 537, Lot 35) · BIN 1008648 · Last updated:
Also recorded in city data as: 147 Bleeker St
Summary · as of October 31, 2026
147 Bleecker Street (Manhattan, NY 10012; tax lot BBL 1005370035) is a 9-unit walk-up apartment building (building class C7: walk-up apartments, more than six families, with stores), built around 1831, on a 2,858 sq ft lot zoned R7-2. City tax records list the owner as 147 BLEEKER STREET LIMITED LIABILITY COM PANY. The Department of Finance's final market value for tax year 2027 is $5,127,000. As of October 31, 2026, NYC Open Data shows four DOB jobs with a permit issued but no sign-off, one active ECB violation, one open HPD violation and five OATH tickets with an unpaid balance. There were 11 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)
- Owner of record
- 147 BLEEKER STREET LIMITED LIABILITY COM PANY
- Building class
- C7 · Walk-up apartments, more than six families, with stores
- Year built · units
- 1831 · 9 res.
- Lot area · zoning
- 2,858 sq ft · R7-2
- Market value (DOF)
- $5,127,000 FY2027
- Last priced deed
- —
- BBL
- 1005370035
- BIN
- 1008648
- 4Open DOB jobs (permit issued, no sign-off)
- 0Active DOB violations
- 1Active ECB violations
- 1Open HPD violations
- 5OATH tickets with unpaid balance
How to cite: NYC Property Facts, “147 Bleecker Street, Manhattan, NY 10012 (BBL 1005370035)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/manhattan/147-bleecker-street-1005370035. 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)
- 147 BLEEKER STREET LIMITED LIABILITY COM PANYThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
- Building class
- C7 – Walk-up apartments, more than six families, with storesThe 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
- 1831Often an estimate for older buildings.
- Floors
- 6
- Units
- 9 residential / 10 totalResidential units are apartments; total includes stores and offices.
- Buildings on lot
- 1
- Lot size
- 2,858 sq ft (28.58 ft × 100 ft)
- Building floor area
- 11,082 sq ft (incl. 1,750 sq ft commercial)
- Zoning
- R7-2, C1-5The 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)
- 3.88 built / 3.44 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).
- Historic district
- South Village Historic DistrictExterior changes in a historic district need Landmarks Preservation Commission approval.
- Identifiers
- BBL 1005370035 (Borough 1, Block 537, Lot 35) · BIN 1008648BBL 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)
- $5,127,000The 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
- $2,307,150The portion of market value that taxes are calculated on (capped by law for small homes).
- Taxable value (final)
- $795,332Assessed 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 | $5,127,000 | $2,307,150 | 2B |
| 2026 | Final | $5,790,000 | $2,605,500 | 2B |
| 2025 | Final | $7,237,200 | $3,256,740 | 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 |
|---|---|---|---|---|---|
| 1995-01-01 | DEED | $0 / not stated | Grossman, Loomis J.Jr.; Friedman, Ronald S.; Grossman, Richard A. | 147 Bleeker Street Limited Liability Company | FT_1120004751912 |
| 1986-11-03 | DEED | $0 / not stated | Prince, James P. | Grossman, Richard A.; Grossman, Loomis J.Jr. | FT_1780000164578 |
| 1986-01-29 | DEED | $0 / not stated | Colby, Paul | Friedman, Ronald S.; Prince, James P.; Grossman, Loomis J.Jr.; Grossman,, Richard A. | FT_1160000128316 |
| 1982-06-26 | DEED | $0 / not stated | Colby, Madeline | Colby, Paul | FT_1040000013104 |
| 1981-10-31 | DEED | $0 / not stated | Colby, Morton | Colby, Madeleine | FT_1560000010756 |
| 1978-03-14 | DEED | $0 / not stated | Ermel Realty Corp | Colby, Paul; Colby, Morton | FT_1220008587422 |
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 4 open of 7
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 Entire · 2020-12-27 | M00276873-I1 DOB NOW | Alteration | 2019-12-11 | $20,000 |
| Permitted, not signed off PERMIT ISSUED - ENTIRE JOB/WORK · 2014-10-21 | 121414004 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2012-10-19 | $24,000 |
| Permitted, not signed off PERMIT ISSUED - ENTIRE JOB/WORK · 1998-08-21 | 101937497 BIS | A3 – Minor alteration (one type of work) | 1998-08-13 | — |
| Permitted, not signed off PERMIT ISSUED - ENTIRE JOB/WORK · 1990-11-08 | 100139208 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 1990-11-01 | — |
| Not open PLAN EXAM - APPROVED · 2008-10-06 | 110350307 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 2008-10-06 | $4,000 |
| Not open COMPLETED · 2009-01-27 | 104947042 BIS | PA – Place of assembly | 2008-04-30 | — |
| Not open SIGNED OFF · 1999-03-19 | 101884891 BIS | A2 – Alteration with multiple work types (no change to use/occupancy) | 1998-06-19 | $25,000 |
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 6
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 |
|---|---|---|---|---|
| 2014-10-21 | 2014-11-28 | 121414004 BIS | Equipment work / Other / general construction | ISSUED (renewal) |
| 2012-11-30 | 2013-11-28 | 121414004 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 1998-08-25 | 1999-08-14 | 101884891 BIS | Equipment work / Other / general construction | ISSUED (initial) |
| 1998-08-21 | 1998-12-31 | 101937497 BIS | Construction equipment (scaffold, fence, shed) / Construction equipment | ISSUED (initial) |
| 1990-11-08 | 1991-10-01 | 100139208 BIS | Equipment work / Boiler | ISSUED (initial) |
| 1990-11-08 | 1991-10-01 | 100139208 BIS | Equipment work / Fuel burning | 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 5
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 | 2018-04-06 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT | V*040618LBLVIO00665 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2014-05-15 | LBLVIO-LOW PRESSURE BOILER BOILER REQUIRED | VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT | V*051514LBLVIO02419 |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2014-05-07 | P-PLUMBING NONE | WORK WITHOUT A PERMIT; GAS FIRED STOVE AND GAS FIRED HOTWATER HEATER INSTALLED IN APARTMENT 2L WITHOUT APPROVED PLUMBING PERMITS REMEDY: OBTAIN A PERMIT | V*050714PPL0404AT |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 2002-03-26 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*032602LL629101434 | |
| Resolved/dismissed V*-DOB VIOLATION - DISMISSED | 1997-02-10 | LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED | V*021097LL629101966 |
Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-02
ECB violations (DOB) 1 active of 4
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: IN VIOLATION · Certification: NO COMPLIANCE RECORDED | 1990-12-19 | Hazardous | FAILURE TO HAVE APPROVED PA PLANS AVAILBLE FOR INSPECTION. REMEDY:PROVIDE PLANS. | $285 / $285 / $0 | 34025092Z |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 1989-11-24 | Non-Hazardous | EMERGENCY LIGHTING IS INOPERATIVE AT FRONT OF RESTAURANT. REMEDY: REPAIR EMERGENCY LIGHTING. | $75 / $75 / $0 | 34034105N |
| Resolved Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED | 1990-03-29 | Hazardous | FAILURE TO HAVE APPROVED PA PLANS AVAILABLE FOR INSPECTION. REMEDY: PROVIDE APPROVED PA PLANS AVAILABLE FOR INSPECTION. | $0 / $0 / $0 | 34038785Y |
| Resolved Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED | 1991-02-28 | Hazardous | FAILURE TO HAVE APPROVED P.A PLANS AVAILABLE FOR INSPECTION. (P.A.188/62). REMEDY: PROVIDE APPROVED P.A. PLAN FOR INSPECTIONS USE. | $100 / $100 / $0 | 34045706M |
Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-02
OATH tickets (all agencies) 5 unpaid of 288
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 # |
|---|---|---|---|---|---|---|
| Unpaid balance HEARING COMPLETED · IN VIOLATION | 2026-05-05 | Sanitation Others | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | 147 BLEEKER STREET LIMITED LIA | $50 / $0 / $50 | 049710712K |
| Unpaid balance DOCKETED · IN VIOLATION | 2025-10-07 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | 147 BLEEKER STREET LIMITED LIA | $50 / $0 / $50 | 049472879L |
| Unpaid balance Default DEFAULTED · DEFAULTED | 2025-03-23 | Police Department | OPEN CONTAINER CONSUMPTION OF ALCOHOL ON STREETS | YEE | $25 / $0 / $25 | 0219355227 |
| Unpaid balance DOCKETED · IN VIOLATION | 2019-05-30 | Fire Department Of Nyc | FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS | 147 BLEEKER STREET LIMITED LIA | $375 / $0 / $375 | 012091576M |
| Unpaid balance Default DOCKETED · DEFAULTED | 2018-02-17 | Sanitation Others | STORAGE OF RECEPTACLES | 147 BLEEKER STREET LIMITED LIA | $300 / $0 / $300 | 0203464205 |
| Hearing pending ASSIGNED | 2026-06-15 | Dos - Enforcement Agents | FAILURE TO CLEAN 18 INCHES INTO STREET | 147 BLEEKER STREET LIMITED LIA | $50 / $0 / $50 | 049854429H |
| No balance due HEARING COMPLETED · DISMISSED | 2026-06-01 | Dos - Enforcement Agents | FAILURE TO CLEAN 18 INCHES INTO STREET | 147 BLEEKER STREET LIMITED LIA | $0 / $0 / $0 | 049712371K |
| No balance due PAID IN FULL · IN VIOLATION | 2025-04-05 | Sanitation Others | FAILURE TO CLEAN 18 INCHES INTO STREET | 147 BLEEKER STREET LIMITED LIA | $50 / $50 / $0 | 049011854N |
| No balance due PAID IN FULL · IN VIOLATION | 2024-12-12 | Fire Department Of Nyc | INSPECTION AND TESTING | 147 BLEEKER STREET LIMITED LIA | $300 / $300 / $0 | 014160783Y |
| No balance due PAID IN FULL · IN VIOLATION | 2024-10-01 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | 147 BLEEKER STREET LIMITED LIA | $50 / $50 / $0 | 048646329H |
| No balance due HEARING COMPLETED · DISMISSED | 2024-08-25 | Dept Of Transportation | OP OF A S W CAFE RDWY CAFE W O A LICENSE REVOC CONSENT 1ST OFFENSE | THE BITTER END | $0 / $0 / $0 | 0219479820 |
| No balance due PAID IN FULL · IN VIOLATION | 2024-08-13 | Dos - Enforcement Agents | STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE | 147 BLEEKER STREET LIMITED LIA | $50 / $50 / $0 | 048408372J |
Showing 12 of 288 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 2026-11-02
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
- 7043
- Last registered
- 2026-08-24
- Registration valid until
- 2027-09-01 CurrentRegistrations must be renewed every year.
| Role | Name | Company | Business city |
|---|---|---|---|
| Headofficer | Sal Radoncic | New York, Ny | |
| Sitemanager | Jose Hernandez | ||
| Corporateowner | 147 BLEECKER STREET LLC | New York, Ny | |
| Officer | Sal Radoncic | New York, Ny | |
| Agent | Sal Radoncic | FRIEDMAN MANAGEMENT CORP | New York, 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 1 open of 9
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 Certified Late · 2014-12-23 | C | 2014-11-24 | 1F | SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER LOCK INSTALLED AT DOOR IN THE ENTRANCE LOCATED AT APT 1F, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST |
| Closed Violation Dismissed · 2015-04-27 | B | 2015-02-09 | 5F | SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 5F, 6th STORY, 2nd APARTMENT FROM NORTH AT EAST |
| Closed Violation Dismissed · 2015-04-27 | B | 2015-02-09 | 5F | SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 5F, 6th STORY, 2nd APARTMENT FROM NORTH AT EAST |
| Closed Violation Dismissed · 2015-03-18 | C | 2014-12-23 | § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETADANT CEILING AT PUBLIC HALL, 6th STORY | |
| Closed Violation Dismissed · 2015-03-19 | A | 2014-12-23 | SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE CEILING AT PUBLIC HALL, 6th STORY | |
| Closed Violation Closed · 2014-11-22 | B | 2008-07-07 | SECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD OR METAL CORNICE FRONT ROOF. | |
| Closed Violation Closed · 2014-11-22 | B | 2008-07-07 | SECTION 53,187,231 M/D LAW & DEPT RULES & REG. PROVIDE MEANS OF EGRESS FROM YARD TO STREET BY FIREPROOF PASSAGEWAY FOR WHICH APPLICATION MUST BE FILED FOR APPROVAL,OR BY UNLOCKED DOOR OR GATE IN FENCE TO ADJOINING PREMISES WITH CONSENT OF ADJACENT OWNER. | |
| Closed Violation Closed · 2014-11-22 | B | 2008-07-07 | SECTION 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES AIR CONDITION UNIT PROTRUDING BEYOND WINDOW SILL 3 STORY BALCONY REAR. | |
| Closed Violation Closed · 2014-11-22 | B | 2007-09-10 | 1F | SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE 2 STY APT 1F AUSTIN. , SECTION '' '' |
Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-02
HPD complaints 0
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.
No records found in this dataset for this lot.
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) 11
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 |
|---|---|---|---|---|
| 2026-10-26 | NYPD | Noise - Vehicle – Engine Idling | Closed | 2026-10-26 |
| 2026-10-26 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-26 |
| 2026-10-25 | DEP | Air Quality – Vehicle Idling Odor | Closed | 2026-10-27 |
| 2026-10-25 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-25 |
| 2026-10-25 | NYPD | Noise - Vehicle – Engine Idling | Closed | 2026-10-25 |
| 2026-10-23 | NYPD | Noise - Vehicle – Engine Idling | Closed | 2026-10-23 |
| 2026-10-23 | NYPD | Illegal Parking – Posted Parking Sign Violation | Closed | 2026-10-23 |
| 2026-10-23 | NYPD | Noise - Street/Sidewalk – Loud Talking | Closed | 2026-10-23 |
| 2026-10-22 | NYPD | Noise - Vehicle – Engine Idling | Closed | 2026-10-22 |
| 2026-10-22 | NYPD | Noise - Street/Sidewalk – Loud Talking | Closed | 2026-10-22 |
Showing 10 of 11 records. The API and the source dataset have the full list.
Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-02; data as of 2026-11-02
Nearby properties
On Bleecker St
- 145 Bleecker Street (19 open items)
- 149 Bleecker Street (23 open items)
- 144 Bleecker Street (13 open items)
- 151 Bleecker Street (59 open items)
- 155 Bleecker Street (21 open items)
- 156 Bleecker Street (104 open items)
- 157 Bleecker Street (six open items)
- 159 Bleecker Street (22 open items)
- 163 Bleecker Street (27 open items)
- 165 Bleecker Street (43 open items)
Same tax block (537)
- 208 Thompson Street (72 open items)
- 216 Thompson Street (18 open items)
- 218 Thompson Street (52 open items)
- 222 Thompson Street (84 open items)
- 226 Thompson Street (42 open items)
- 228 Thompson Street (six open items)
- 230 Thompson Street (15 open items)
- 76 West 3rd Street (26 open items)
- 68 West 3rd Street (78 open items)
- 550 La Guardia Place (three open items)
All properties on Bleecker St, Manhattan · All of Manhattan 10012 (SoHo-Little Italy-Hudson Square)
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