Agent directory

Deterministic calendrical, astronomical, and divination computation nodes for AI agents. Each endpoint performs exact calculations that LLMs cannot reliably reproduce—solar-term boundaries via apparent solar longitude (Meeus), sexagenary cy…

Checked English reference on living in Bulgaria, sold as markdown.

x402 pay-per-use KYA, KYT, and KYE crypto compliance API for AI agents. Provides address risk reports, transaction risk screening, entity due diligence, compliance risk screening, and auditable report outputs via USDC payments on Base. No L…

x402 + Stripe billing proxy for APIs/MCP servers. Ships built-in safety tools: risk-scoring, simulation, policy-gate.

Polymarket wallet-reputation and insider-signal data, gated by x402: per-wallet reputation lookup, per-market wallet-flow by persona, a free-to-verify signal track record, resolved-signal drill-down, feedback channel, and push-notification …

Assessment-protest outcomes (value before vs. after) and per-parcel assessed-value history for every Harris County, TX parcel. Free address search; paid per-parcel routes $0.02-$0.05 via x402 on Base. No owner names.

The frontpage of the agentic internet — AI agents bid to post, vote, and comment. All actions gated by x402 micropayments on Base.

Watch a public web page and get a signed webhook the moment a condition becomes true (restock, price drop, appointment slot, launch, content change, HTTP status, a new URL in a sitemap, a new item in an RSS, Atom, or JSON feed); a half-cent…

Finds current actionable buyer demand and procurement opportunities. Returns the buyer, exact requirement, deadline, official source evidence, offer route, transaction readiness, blockers, and next action.

South African verification primitives for AI agents: identity and VAT number validation, and NCA credit-agreement lawfulness checks against the Regulation 42 interest caps. CIPC company lookup in development. Paid per call via the x402 prot…

A neutral third party for agent commerce. Buy an Ed25519 signed pass or fail verdict on a deliverable against a machine readable acceptance spec (JSON Schema, JSON path, content hash, regex, length, live URL probe), verifiable offline by an…

Threat intelligence and identity-risk API: breach exposure, infostealer log detection, SIM-swap and session-hijack checks, ransomware victim lookup, and AI-agent-specific security checks (malicious MCP server detection, prompt-injection bre…

Verify whether delivered work satisfied explicit acceptance criteria. One call, pay per verification, no account. Returns per-unit accepted/rejected counts, earned value, and a signed Outcome Receipt.

Hardware price intelligence for agents. Hardware Hunter returns trusted cohort benchmarks—including median, p25, p75, sample size, condition stratum, and rolling 90-day window—for GPUs and storage hardware. Queries cost $0.01 in USDC on Bas…

Provide an establishment name and optional state, date-range, violation, and limit filters. Receive JSON for up to 20 matching OSHA inspections with violation counts, inspection details, and official record links.

Deterministic caller-supplied crypto market-data integrity attestation and pre-trade execution-risk checks for autonomous agents. No order placement and no market-data resale.

Normalized SEC financial data, priced per call, built for agents. Company financials, XBRL facts, filings, industry benchmarks, peer comparison and screening across 20,000+ US public companies — parsed nightly from SEC EDGAR, normalized t…

x402 conformance lint: 75 checks against your live 402 with a specific fix for each finding, plus a separate Bazaar-indexability verdict. Every check cites its source (spec, client code, or CDP validator). The service lints its own 402s in …

Evidence-backed human review of startup credit and startup program submissions, paid per review using x402 on Base.

QR code generation for agents, paid per call in USDC on Base via x402.

Pay-per-call MusicXML validation, MuseScore rendering, and automated QC for AI agents. Returns MP3 and MIDI; charges only after QC passes. Solo 0.25 USDC, ensemble 0.50 USDC on Base.

Pay-per-call speech-to-text via x402 (USDC on Base). POST a wav/mp3 voice message to /transcribe and receive the transcript. Billed per call through x402 micropayments.

49 signed AOP offers (courses, eBooks, products by Lawrence Lanoff / The Naked Press), each x402-buyable in USDC on Base mainnet. Catalog: https://index.adagencyforagents.com/v0/offers. Purchase pattern: https://api.tantra-authority.com/api…

Pay-per-call IP intelligence API. Send an IPv4 or IPv6 address and get JSON with a risk score and label, ASN, ISP, organization, geolocation, reverse DNS, hosting/proxy/Tor flags, verified bot detection and a short threat summary. Priced at…

Federal OSHA severe-injury records, single incident lookups, and employer aggregate safety totals. Cleaned and entity-resolved. Pay-per-call USDC on Base; a free count/schema endpoint is available for agent onboarding.

Groundcheck is verified enrichment for AI agents. Send a factual claim and it returns a machine verified verdict with a confidence score and cited sources, grounded against live web sources. Identity protocols verify who an agent is; Ground…

Generate compliant PDFs (PDF/A-2A + PDF/UA-1) from markdown or a DSL — about a second, no headless browser.

Pay-per-request network utilities for agents via x402 V2 (USDC on Base). Live DNS, WHOIS/RDAP, SSL/TLS, HTTP headers, redirect tracing, plus host-intel and uptime bundles. No API keys. Not @x402/fetch. Catalog: https://api.fetchx402.com/v1/…

Thermodynamic risk intelligence for agentic capital. Sealed V5 physics, Watch/Act regime clocks, attestation on every paid call. Crisis registered six months before Lehman. Probe at $0.07 USDC on Base; clock at $5 before size.

Live crypto trend signals, cross-asset ranking, and on-demand backtesting for BTC/ETH/SOL, backed by a transparent systematic methodology. Every number is independently verifiable -- backtest it yourself instead of trusting a black-box sign…

pkgproof is a package-verification oracle for AI coding agents. One call before npm install returns a single verdict (safe / caution / block / does_not_exist) backed by sourced reasons, each labelled fact or heuristic. It covers hallucinate…

Agent-to-agent message relay on x402 (Base USDC).

Web search API for agents

CAPTCHA solving service API — programmatically solve reCAPTCHA, hCaptcha, image CAPTCHAs, and more using human workers or AI.

Real estate data API — property records, AVM valuations, rent estimates, and rental/sale listing data across the US.

Pay-per-email notification ($0.005/email)