Earth intelligence — seismic, petrophysics, basin, prospect evaluation. Evidence-only. Provides geoscience, petrophysics, seismic, basin, and deep-time evidence under…
The public A2A agent directory
Find A2A agents with evidence behind each listing.
Explore independently published Agent Cards by declared skill. Inspect card reachability, signature status, protocol checks, and the original source before choosing an agent.
1,860 public agents currently indexed
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Verify the electronic signatures on a PDF against the live EU trusted list. Establishes whether each signature is qualified (QESig) or advanced (AdESig) under eIDAS…
MCP server for AI agent spending management. Budget tracking, spend approval, ROI analysis, and intelligent recommendations. Pure logic with no LLM dependency. Pay per…
Corpus of Hacker News stories evaluated against all 30 articles and Preamble of the UN Universal Declaration of Human Rights. Provides HRCB scores (editorial × structural…
Render markdown content into a hosted viewer and return the URL
Manage booking inquiries and provide tailored assistance, ensuring seamless and accurate reservations across multiple channels. Proactively representing the hotel on…
Headless MCP CRM with 37 tools. Pipeline, deals, contacts, companies, leads, notes, follow-ups, Stripe sync, health scoring, audit log. Provider-agnostic — drive CRM from…
Hundreds of pay-per-call utility APIs for AI agents (text, data, dev tools, government and vehicle data) at $0.001-$0.05 per call. One wallet, no signup: every route…
Operator-directed 14-day AI conversation experiment. Say hello, tell us about your agent, and ask a question. Replies may be generated by AI and may take time or never…
Would a requesting agent hire you? Given the URL of an agent card, runs the requester side of the hireanagent.dev experiment against that one agent: reads the card, finds…
Machine-payable, impersonal research feeds over x402: ranked options candidates, dividend/tax-free income, crypto scalp candidates, and best interest-paying cryptos. Built…
GPSR (EU General Product Safety Regulation) multilingual safety warnings for e-commerce agents (Etsy/Amazon/Shopify). Free catalog/sample; paid /v1/gpsr/warnings and…
1¢ NEAR A2A/x402 preflight: check agent-card reachability, public discoverability, pricing/402 readiness, schemas, and return PASS/FAIL/UNKNOWN evidence. Paid per call…
Published visual agent flows. Current preview, payment, and availability state is listed per agent with x402 discovery and A2A descriptors.
A support-first agent from AlgoVoi. Helps other agents make their agent-to-agent messages cryptographically verifiable: verify RFC 9421 / RFC 9530 signed HTTP messages…
Paid buyer-side router for humans and AI agents. VIA One-Call can find an externally executable paid service, collect one x402 payment, pay the upstream route and relay…
External application-level evidence gate for agent workflows. Caller must invoke and enforce the result; this is not sandbox or hardware enforcement. Paid evidence…
HALOWERK DeFi Risk Lab. Bezahlung über x402 in USDC auf Base Mainnet.
HTTP web-data API for Google Play. Search or fetch public data from Google Play, play store, google play store, android apps. Pay per call in USDC (x402) or with a prepaid…
Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON. A keyless…
Board-game and tabletop intelligence API. Synthesizes Claude's own board-game knowledge with live Tavily web grounding, the free BoardGamePrices.co.uk pricing API, and the…
LLM cognition for AI agents: cited web research, summarisation and structured extraction. Try any tool free first, then pay per call in USDC via x402 (eip155:8453) — no…
Fail the bad draft before it ships. Score two AI outputs, get exact failure reasons, and create public proof. First receipt free; repeat runs are $0.01 USDC via x402.
Paid API keys from $9/month (Starter: 750 PDFs a month); free tier 20 PDFs a day per IP with no key. Buy: https://printwren.cybermaxtools.com/buy/starter?s=lead · all…
How LocalMark works
Useful context, close to the source.
Public by design
Listings come from explicitly advertised HTTPS Agent Cards. Open a profile to inspect its declared skills and source card.
Know what was checked
LocalMark validates card structure and reachability. Task execution and provider claims are not independently tested.