ToolAssay

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17,560 tools. Tools that answered our last check come first.

Current gas price (gwei and wei) on Base, Polygon, Arbitrum, Optimism, Ethereum,
Answering agent402.tools listed $0.002, asks $0.001 answered 3 of 3 checks this week 931 ms Market data
Current temperature and wind for a city from Open-Meteo (live forecast data)
Answering vendsdk.com listed $0.003 answered 3 of 3 checks this week 268 ms Everything else
Current time
Answering agent402.tools listed $0.001 answered 3 of 3 checks this week 940 ms Everything else
Current trading session (Asia / London / NY / Off) plus historical volatility fo
Answering x402.swaphunt.dev listed $0.001 answered 3 of 3 checks this week 950 ms Everything else
Current weather at a location by latitude and longitude or city name
Answering api.x402node.dev listed $0.005 answered 3 of 3 checks this week 476 ms Market data
Current weather conditions for any coordinate worldwide
Answering 2s.io listed $0.003 answered 3 of 3 checks this week 257 ms Code and developer
Current weather conditions for any location on Earth
Answering agent402.tools listed $0.002 answered 3 of 3 checks this week 932 ms Everything else
Current weather for a coordinate via Open-Meteo
Answering api.x402node.dev listed $0.01 answered 3 of 3 checks this week 475 ms Code and developer
Currently trending coins on CoinGecko
Answering x402engine.app listed $0.001 answered 3 of 3 checks this week 356 ms Market data
Custom AI-generated images from your text prompt
Answering api.useatelier.ai listed $0.55 answered 3 of 3 checks this week 403 ms Image and media
Custom-weight rerank of every cryptocurrency covered by True Value Rankings
Answering truevaluerankings.com listed $0.05 answered 3 of 3 checks this week 966 ms Everything else
DDG agent-payable service request
Answering agents.daedalusdevelopmentgroup.com listed $0.005 answered 3 of 3 checks this week 1029 ms Search and research
DJZS adversarial logic audit of a prediction-market trade intent
Answering mcp.djzs.ai listed $2.00 answered 3 of 3 checks this week 534 ms Code and developer
DNS Inspector record lookup (A/AAAA/MX/NS/TXT/SOA/CAA + SPF/DMARC) — per call
Answering contextiq.trango-compute.com listed $0.02 answered 3 of 3 checks this week 307 ms Everything else
DNS Lookup API
Answering tools.ipintel.ai listed $0.001 answered 2 of 3 checks this week 498 ms Everything else
DNS and list based verification
Answering mail.halowerk.com listed $0.001 answered 3 of 3 checks this week 958 ms Everything else
DNS lookup for a domain
Answering agent402.tools listed $0.001 answered 3 of 3 checks this week 929 ms Everything else
DNS records for a domain
Answering api.x402node.dev listed $0.005 answered 3 of 3 checks this week 504 ms Code and developer
Daily fire hotspots across Brazil from the official INPE satellite program
Answering api.brazilayer.com listed $0.002 answered 3 of 3 checks this week 942 ms Commerce and shopping
Darrylbots paid research
Answering darrylbots.com listed $0.001 answered 3 of 3 checks this week 638 ms Code and developer
DeFi TVL by chain and top protocols (DeFi Llama)
Answering conc-exe.xyz listed $0.02 answered 3 of 3 checks this week 42 ms Market data
DeFi Total Value Locked (TVL) by blockchain or by protocol
Answering crypto.apitoll.cloud listed $0.001 answered 3 of 3 checks this week 918 ms Market data
DeFi market overview
Answering crypto.openverbs.com listed $0.003 answered 3 of 3 checks this week 454 ms Market data
Decode HTML entities (named, decimal and hex numeric references) back into plain
Answering html.openverbs.com listed $0.002 answered 3 of 3 checks this week 471 ms Everything else
Decode a 17-character VIN to manufacturer-supplied vehicle metadata via NHTSA's
Answering 2s.io listed $0.006 answered 3 of 3 checks this week 263 ms Everything else
Dedicated satellite tracking API for agents
Answering space.bip-rep.com listed $0.05 answered 3 of 3 checks this week 1218 ms Everything else
Delta of the MCP registry since a daily baseline
Answering fresh-feeds.foomworks.workers.dev listed $0.02 answered 3 of 3 checks this week 380 ms Company and compliance
Details for one Farcaster channel by id (e.g
Answering agent402.tools listed $0.003 answered 3 of 3 checks this week 928 ms Everything else
Detect AI-generated text
Answering glim.sh listed $0.06 answered 3 of 3 checks this week 965 ms Market data
Detect the language(s) of text, including multilingual text
Answering language-detector.pdfextractapi.workers.dev listed $0.01 answered 3 of 3 checks this week 461 ms Everything else
Detects whether major altcoins are broadly outperforming Bitcoin and identifies
Answering pay.edge-agents.ai listed $0.01 answered 3 of 3 checks this week 469 ms Everything else
Deterministic daily book pick from the indexed corpus, date-seeded so every call
Answering library.forgemesh.io listed $0.001 answered 3 of 3 checks this week 758 ms Everything else
Deterministic preflight check for a proposed AI agent action
Answering agent402.tools listed $0.01 answered 3 of 3 checks this week 958 ms Everything else
Deterministic primality test using the Miller-Rabin algorithm with a witness set
Answering x402.outpimp.com listed $0.01 answered 3 of 3 checks this week 249 ms Code and developer
Diameter, circumference and area of a circle from its radius
Answering geometry.openverbs.com listed $0.004 answered 3 of 3 checks this week 723 ms Everything else
Diff two texts
Answering text.openverbs.com listed $0.002 answered 3 of 3 checks this week 637 ms Everything else
Directory of Japanese (JP) rail operators and their lines, with canonical ids an
Answering transit.agentic-jp.com listed $0.001 answered 3 of 3 checks this week 645 ms Everything else
Discover a website's URLs in one call
Answering agent402.tools listed $0.005 answered 3 of 3 checks this week 946 ms Search and research
Distributed lock / idempotency primitive for multi-agent swarms
Answering nodeproxy-production.up.railway.app listed $0.001 answered 3 of 3 checks this week 1376 ms Market data
ENS name resolution + reverse lookup via public Ethereum RPC
Answering shelf.thirdmade.net listed $0.001 answered 3 of 3 checks this week 76 ms Market data
ERC-20 balances of one wallet for a NAMED list of token contracts (1-20)
Answering agent402.tools listed $0.002 answered 3 of 3 checks this week 960 ms Market data
EU VAT validation against the official VIES service
Answering api.sirenic.eu listed $0.003 answered 3 of 3 checks this week 885 ms Company and compliance
EU market brief — regulation and market data
Answering minia2a.uk listed $0.01 answered 3 of 3 checks this week 333 ms Market data
EVM gas price API
Answering gateway.stride20k.com listed $0.002 answered 3 of 3 checks this week 23 ms Market data
Email validation API
Answering ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws listed $0.01 answered 3 of 3 checks this week 663 ms Code and developer
Encode text to HTML entities so it can be safely embedded in markup
Answering html.openverbs.com listed $0.002 answered 3 of 3 checks this week 454 ms Everything else
Enriched AI agents directory
Answering tensorfeed.ai listed $0.02 answered 3 of 3 checks this week 351 ms Search and research
Enriched quote for an x402 endpoint
Answering 402utils.com listed $0.002 answered 3 of 3 checks this week 26 ms Market data
Entry session pass
Answering proxy.aproxpay.com listed $0.05 answered 3 of 3 checks this week 868 ms Everything else
Estonian registry rulings (määrused) — early-warning credit-risk signal from the
Answering api.sirenic.eu listed $0.02 answered 3 of 3 checks this week 888 ms Image and media
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