# Services from mcp-x402-discovery.onrender.com on Zero

> mcp-x402-discovery.onrender.com serves 65 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/mcp-x402-discovery.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/mcp-x402-discovery.onrender.com/health.json

## Services

- [ScriptMasterLabs HCV Fair Market Rent Lookup](https://www.zero.xyz/c/scriptmasterlabs-hcv-fair-market-rent-lookup-85996007/llms.txt): $0.001/call via x402. Returns HUD Housing Choice Voucher (Section 8) Fair Market Rent (FMR) data by ZIP code, state, county, year, and bedroom count
- [ScriptMasterLabs Congress Bills Search API](https://www.zero.xyz/c/scriptmasterlabs-congress-bills-search-api-381bfedb/llms.txt): $0.001/call via x402. Search and retrieve US congressional bills by keyword and congress number via pay-per-call x402 micropayment
- [ScriptMasterLabs FRED Economic Data API (x402)](https://www.zero.xyz/c/scriptmasterlabs-fred-economic-data-api-x402-385ff06c/llms.txt): $0.001/call via x402. Fetches Federal Reserve Economic Data (FRED) time-series observations for a given series ID, paid per-call via x402 crypto micropayment.
- [ScriptMasterLabs Drug Recall Lookup API](https://www.zero.xyz/c/scriptmasterlabs-drug-recall-lookup-api-e969c77e/llms.txt): $0.001/call via x402. Retrieves FDA drug recall information for a specified drug name via a pay-per-call x402 endpoint.
- [ScriptMasterLabs EPA Violations Lookup](https://www.zero.xyz/c/scriptmasterlabs-epa-violations-lookup-77d00559/llms.txt): $0.001/call via x402. Retrieves EPA environmental violation records filterable by NAICS industry code, U.S. state, and facility name
- [ScriptMasterLabs SEC 13D/G Filing Lookup](https://www.zero.xyz/c/scriptmasterlabs-sec-13d-g-filing-lookup-d2da88d6/llms.txt): $0.001/call via x402. Retrieves SEC Schedule 13D and 13G filings for a given stock ticker, showing significant ownership disclosures
- [ScriptMasterLabs SEC 8-K Filing Lookup API](https://www.zero.xyz/c/scriptmasterlabs-sec-8-k-filing-lookup-api-58432ca0/llms.txt): $0.001/call via x402. Retrieves recent SEC 8-K current report filings for a given stock ticker via a pay-per-call x402 micropayment API
- [ScriptMasterLabs — Federal Contractor Firms Lookup by NAICS](https://www.zero.xyz/c/scriptmasterlabs-federal-contractor-firms-lookup-by-naics-8fc6eb43/llms.txt): $0.001/call via x402. Returns a list of federal contractor firms filtered by 6-digit NAICS code, with optional state and set-aside type filtering
- [ScriptMasterLabs Entity Compliance Lookup](https://www.zero.xyz/c/scriptmasterlabs-entity-compliance-lookup-78a42cca/llms.txt): $0.001/call via x402. Looks up federal entity compliance status (SAM.gov registrations, exclusions, active/inactive status) by UEI or CAGE code via pay-per-call x402 micropayment API
- [ScriptMasterLabs SEC 10-K Filing Lookup API](https://www.zero.xyz/c/scriptmasterlabs-sec-10-k-filing-lookup-api-38ed3a56/llms.txt): $0.001/call via x402. Retrieves SEC 10-K annual report filings for a given public company stock ticker via pay-per-call x402 micropayment.
- [ScriptMasterLabs Crypto Price API (x402)](https://www.zero.xyz/c/scriptmasterlabs-crypto-price-api-x402-081839b6/llms.txt): $0.001/call via x402. Returns real-time cryptocurrency prices and market data for one or more coins, paid per-call via x402 micropayment protocol
- [ScriptMasterLabs NIH Grants Search API](https://www.zero.xyz/c/scriptmasterlabs-nih-grants-search-api-2a5d7b38/llms.txt): $0.001/call via x402. Search NIH-funded research grants by topic keywords, institute abbreviation, and fiscal year via pay-per-call x402 micropayment
- [ScriptMasterLabs Clinical Trials Lookup API](https://www.zero.xyz/c/scriptmasterlabs-clinical-trials-lookup-api-6169ec66/llms.txt): $0.001/call via x402. Searches ClinicalTrials.gov for active or completed clinical studies by condition, drug, sponsor, or keyword, returning paginated trial results via pay-per-call x402 micropayment.
- [ScriptMasterLabs Restricted Party Screen API](https://www.zero.xyz/c/scriptmasterlabs-restricted-party-screen-api-365e1276/llms.txt): $0.001/call via x402. Screens individuals or entities against restricted party, sanctions, and watchlist databases to support compliance due diligence
- [ScriptMasterLabs NPI Lookup API](https://www.zero.xyz/c/scriptmasterlabs-npi-lookup-api-82dd7b71/llms.txt): $0.001/call via x402. Look up National Provider Identifier (NPI) records for healthcare providers by name, specialty, state, or organization via a pay-per-call x402 API.
- [ScriptMasterLabs SEC 13F Holdings Lookup](https://www.zero.xyz/c/scriptmasterlabs-sec-13f-holdings-lookup-cec22367/llms.txt): $0.001/call via x402. Retrieves SEC Form 13F institutional investment manager quarterly holdings filings by CIK or institution name
- [ScriptMasterLabs FINRA Broker Lookup API](https://www.zero.xyz/c/scriptmasterlabs-finra-broker-lookup-api-dddba867/llms.txt): $0.001/call via x402. Looks up FINRA BrokerCheck data for individual brokers or brokerage firms by name, returning compliance and registration information.
- [ScriptMasterLabs Insider Trades Lookup](https://www.zero.xyz/c/scriptmasterlabs-insider-trades-lookup-fde5e722/llms.txt): $0.001/call via x402. Returns recent SEC-reported insider trading activity (Form 4 filings) for a given stock ticker over a configurable lookback window.
- [ScriptMasterLabs FEC Finance Lookup API](https://www.zero.xyz/c/scriptmasterlabs-fec-finance-lookup-api-024e819f/llms.txt): $0.001/call via x402. Retrieves Federal Election Commission (FEC) campaign finance data by candidate, contributor, committee, or election cycle via pay-per-call x402 micro-payment
- [ScriptMasterLabs Trade Leads Search API](https://www.zero.xyz/c/scriptmasterlabs-trade-leads-search-api-1a54736c/llms.txt): $0.001/call via x402. Search and retrieve international trade leads, tenders, and contract opportunities filtered by keyword, country, and date ranges
- [ScriptMasterLabs Lobbying Data API](https://www.zero.xyz/c/scriptmasterlabs-lobbying-data-api-89b6f3b2/llms.txt): $0.001/call via x402. Retrieves federal lobbying disclosure records filtered by issue area, client, or registrant via pay-per-call x402 micropayment
- [ScriptMasterLabs SEC 10-Q Filing Lookup API](https://www.zero.xyz/c/scriptmasterlabs-sec-10-q-filing-lookup-api-132f7f1c/llms.txt): $0.001/call via x402. Retrieves recent SEC 10-Q quarterly report filings for a given stock ticker, paid per call via x402 micropayment protocol.
- [ScriptMasterLabs FTD Time Series API](https://www.zero.xyz/c/scriptmasterlabs-ftd-time-series-api-bcfdf431/llms.txt): $0.001/call via x402. Retrieves a time series of Failure-to-Deliver (FTD) data for a given equity ticker symbol, paid per call via x402 crypto micropayments.
- [ScriptMasterLabs FX Rate API](https://www.zero.xyz/c/scriptmasterlabs-fx-rate-api-5e04468d/llms.txt): $0.001/call via x402. Returns foreign exchange rates for a given base currency and one or more quote currencies, optionally for a historical date, via pay-per-call x402 micropayment
- [ScriptMasterLabs Options Delta Heatmap](https://www.zero.xyz/c/scriptmasterlabs-options-delta-heatmap-9873aeb9/llms.txt): $0.001/call via x402. Returns an options delta heatmap for a given underlying ticker, option type, and expiration date, showing delta values across strikes and expirations.
- [ScriptMasterLabs FDA Warnings Lookup](https://www.zero.xyz/c/scriptmasterlabs-fda-warnings-lookup-d26d480f/llms.txt): $0.001/call via x402. Retrieves FDA warning letters and enforcement actions filtered by company or product name
- [ScriptMasterLabs Agent Score API](https://www.zero.xyz/c/scriptmasterlabs-agent-score-api-a53da29a/llms.txt): $0.001/call via x402. Retrieves or updates a trust/reputation score for an AI agent based on its behavioral history (tasks, payments, uptime, errors)
- [ScriptMasterLabs Equities Heatmap API](https://www.zero.xyz/c/scriptmasterlabs-equities-heatmap-api-bf3c3e5b/llms.txt): $0.001/call via x402. Returns a visual or structured heatmap of equity price performance and momentum for specified stock tickers over a given timeframe.
- [ScriptMasterLabs Treasury Yields API](https://www.zero.xyz/c/scriptmasterlabs-treasury-yields-api-52dae315/llms.txt): $0.001/call via x402. Returns US Treasury yield data for a specified month, accessible via micropayment using x402/USDC on Base
- [ScriptMasterLabs FTD ETF Basket API](https://www.zero.xyz/c/scriptmasterlabs-ftd-etf-basket-api-5f7f980c/llms.txt): $0.001/call via x402. Returns the constituent holdings or basket composition data for a specified ETF (XRT, IWM, IJR, or KRE) via pay-per-call x402 micropayment
- [ScriptMasterLabs Gas Tracker API](https://www.zero.xyz/c/scriptmasterlabs-gas-tracker-api-40175a55/llms.txt): $0.001/call via x402. Returns real-time gas price data for a specified blockchain network, payable via x402 micropayment protocol
- [ScriptMasterLabs Federal Grants Search API](https://www.zero.xyz/c/scriptmasterlabs-federal-grants-search-api-b52b921a/llms.txt): $0.001/call via x402. Searches federal grant and assistance program listings by keyword or CFDA/assistance-listing number via pay-per-call x402 micropayment
- [ScriptMasterLabs Drug Adverse Events API](https://www.zero.xyz/c/scriptmasterlabs-drug-adverse-events-api-550ac516/llms.txt): $0.001/call via x402. Returns FDA adverse event reports for a specified drug name, paid per-call via x402 micropayment protocol
- [ScriptMasterLabs HUD VASH Contacts Lookup](https://www.zero.xyz/c/scriptmasterlabs-hud-vash-contacts-lookup-d7a8deca/llms.txt): $0.001/call via x402. Returns HUD Veterans Affairs Supportive Housing (VASH) contact information filtered by state and/or county
- [ScriptMasterLabs Base RPC Endpoint](https://www.zero.xyz/c/scriptmasterlabs-base-rpc-endpoint-3900a1fc/llms.txt): $0.001/call via x402. Provides pay-per-call access to Base blockchain RPC data (transactions, blocks, addresses) via the x402 micropayment protocol
- [ScriptMasterLabs SBIR Grants Search API](https://www.zero.xyz/c/scriptmasterlabs-sbir-grants-search-api-72010a0b/llms.txt): $0.001/call via x402. Search federal SBIR/STTR grant opportunities by keyword, agency, and phase via pay-per-call x402 micropayment
- [ScriptMasterLabs Patent Search API](https://www.zero.xyz/c/scriptmasterlabs-patent-search-api-ab6835be/llms.txt): $0.001/call via x402. Search USPTO patent records by keyword or assignee organization name, returning matching patent results
- [ScriptMasterLabs PHA Lookup API](https://www.zero.xyz/c/scriptmasterlabs-pha-lookup-api-6610cc85/llms.txt): $0.001/call via x402. Look up Public Housing Authority (PHA) and Section 8/HUD housing program information by ZIP code, city, state, or county via pay-per-call x402 micropayment
- [ScriptMasterLabs FDA 510(k) Lookup API](https://www.zero.xyz/c/scriptmasterlabs-fda-510-k-lookup-api-cf79bdfb/llms.txt): $0.001/call via x402. Retrieves FDA 510(k) premarket notification records by device type or applicant/manufacturer name
- [ScriptMasterLabs Fact-Check API](https://www.zero.xyz/c/scriptmasterlabs-fact-check-api-a0a8fe3b/llms.txt): $0.001/call via x402. Verifies a textual claim against authoritative data sources across federal, SEC, drug, healthcare, grants, and financial domains
- [ScriptMasterLabs CMS Providers Lookup](https://www.zero.xyz/c/scriptmasterlabs-cms-providers-lookup-ed7d2ed9/llms.txt): $0.001/call via x402. Searches CMS (Centers for Medicare & Medicaid Services) hospital and physician provider records by name, type, and state
- [ScriptMasterLabs OSHA Inspection Data API](https://www.zero.xyz/c/scriptmasterlabs-osha-inspection-data-api-9651401d/llms.txt): $0.001/call via x402. Returns OSHA inspection and enforcement records filtered by industry code, state, or establishment name
- [ScriptMasterLabs Web Markdown Converter](https://www.zero.xyz/c/scriptmasterlabs-web-markdown-converter-490c1423/llms.txt): $0.001/call via x402. Fetches a web URL and returns its content as cleaned Markdown text, billed per-call via x402 crypto micropayment
- [ScriptMasterLabs Options Flow API](https://www.zero.xyz/c/scriptmasterlabs-options-flow-api-f8945728/llms.txt): $0.001/call via x402. Returns real-time equity options flow data (unusual activity, large trades) for a given ticker symbol, paid per-call via x402 crypto micropayment
- [ScriptMasterLabs FTD Ratio Lookup](https://www.zero.xyz/c/scriptmasterlabs-ftd-ratio-lookup-70de74a7/llms.txt): $0.001/call via x402. Returns the fail-to-deliver (FTD) ratio for a given equity ticker symbol, sourced from SEC/FINRA regulatory data.
- [ScriptMasterLabs Housing Landlord Checklist API](https://www.zero.xyz/c/scriptmasterlabs-housing-landlord-checklist-api-a1419e0d/llms.txt): $0.001/call via x402. Returns a Section 8/HUD housing landlord compliance checklist, optionally filtered by ZIP code and number of bedrooms, via x402 pay-per-call.
- [ScriptMasterLabs Domain Enrich API](https://www.zero.xyz/c/scriptmasterlabs-domain-enrich-api-1c62bb29/llms.txt): $0.001/call via x402. Returns enriched metadata and intelligence about a given domain name, paid per-call via x402 crypto micropayment
- [ScriptMasterLabs MCP x402 Market Endpoint](https://www.zero.xyz/c/scriptmasterlabs-mcp-x402-market-endpoint-1943c6a3/llms.txt): $0.001/call via x402. Returns marketplace listing data for NAICS-code-filtered pay-per-call data APIs covering crypto, RWA, federal, SEC, and housing compliance topics
- [ScriptMasterLabs FTD Threshold List API](https://www.zero.xyz/c/scriptmasterlabs-ftd-threshold-list-api-fe8e4dff/llms.txt): $0.001/call via x402. Returns the list of failure-to-deliver (FTD) thresholds used in securities compliance and regulatory reporting
- [ScriptMasterLabs Web Fetch via x402](https://www.zero.xyz/c/scriptmasterlabs-web-fetch-via-x402-d23d14b6/llms.txt): $0.001/call via x402. Fetches arbitrary web URLs via a pay-per-call HTTP proxy, billed in USDC on Base using the x402 payment protocol
- [ScriptMasterLabs Content Trust Score API](https://www.zero.xyz/c/scriptmasterlabs-content-trust-score-api-d22b9de1/llms.txt): $0.001/call via x402. Scores the trustworthiness of a piece of content, optionally tied to a sender wallet address, via a pay-per-call x402 endpoint
- [ScriptMasterLabs FTD Settlement Cycle Lookup](https://www.zero.xyz/c/scriptmasterlabs-ftd-settlement-cycle-lookup-4043b1fc/llms.txt): $0.001/call via x402. Returns fail-to-deliver (FTD) settlement cycle data for a given equity ticker symbol, covering regulatory compliance and securities settlement information.
- [ScriptMasterLabs Compliance Audit API](https://www.zero.xyz/c/scriptmasterlabs-compliance-audit-api-d4582572/llms.txt): $0.001/call via x402. Runs a pay-per-call compliance audit against a bank or financial institution, returning compliance status and findings via the x402 micropayment protocol.
- [ScriptMasterLabs Crypto Trending API](https://www.zero.xyz/c/scriptmasterlabs-crypto-trending-api-7909fe07/llms.txt): $0.001/call 

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