ToolAssay

Everything else

8,220 tools. Tools that answered our last check come first.

Resolve a filename, path or extension to its MIME type, charset and full Content
Not answering mime.openverbs.com listed $0.002 answered 6 of 7 checks this week 617 ms Everything else
Spell an integer out in English words, e.g
Not answering numeral.openverbs.com listed $0.002 answered 6 of 7 checks this week 656 ms Everything else
Bitwise AND across two or more non-negative integers (given as decimal strings,
Not answering bitwise.openverbs.com listed $0.002 answered 6 of 7 checks this week 455 ms Everything else
Bitwise XOR across two or more non-negative integers (given as decimal strings,
Not answering bitwise.openverbs.com listed $0.002 answered 6 of 7 checks this week 456 ms Everything else
Circularly rotate a non-negative integer left or right within an explicit bit wi
Not answering bitwise.openverbs.com listed $0.002 answered 6 of 7 checks this week 464 ms Everything else
Classify a User-Agent by device form factor and return convenience booleans (isB
Not answering useragent.openverbs.com listed $0.002 answered 6 of 7 checks this week 469 ms Everything else
Composed yield allocation recommender
Not answering api.hyperd.ai listed $1.00 answered 6 of 7 checks this week 439 ms Everything else
Convert a value between units — length, mass, volume, temperature, area, speed,
Not answering unit.openverbs.com listed $0.002 answered 6 of 7 checks this week 460 ms Everything else
Convert an integer between numeral bases 2–36 (binary, octal, hex, base36, …)
Not answering numeral.openverbs.com listed $0.002 answered 6 of 7 checks this week 483 ms Everything else
Convert between integers (1–3999) and Roman numerals in either direction — a dig
Not answering numeral.openverbs.com listed $0.002 answered 6 of 7 checks this week 465 ms Everything else
Format a non-negative integer as an ordinal — both the suffixed form (21st) and
Not answering numeral.openverbs.com listed $0.002 answered 6 of 7 checks this week 458 ms Everything else
Generate an RFC 4226 counter-based HMAC one-time password from a base32 secret a
Not answering otp.openverbs.com listed $0.004 answered 6 of 7 checks this week 457 ms Everything else
Generate an RFC 6238 time-based one-time password from a base32 secret
Not answering otp.openverbs.com listed $0.004 answered 6 of 7 checks this week 464 ms Everything else
Inspect a non-negative integer's bit structure
Not answering bitwise.openverbs.com listed $0.002 answered 6 of 7 checks this week 462 ms Everything else
One's-complement NOT of a non-negative integer within an explicit bit width (two
Not answering bitwise.openverbs.com listed $0.002 answered 6 of 7 checks this week 454 ms Everything else
Resolve a MIME type to its default file extension
Not answering mime.openverbs.com listed $0.002 answered 6 of 7 checks this week 458 ms Everything else
Resolve a Unicode block name (loose matching) to its range, size, count of assig
Not answering unicode.openverbs.com listed $0.002 answered 6 of 7 checks this week 454 ms Everything else
Shift a non-negative integer left or right by `amount` bits
Not answering bitwise.openverbs.com listed $0.002 answered 6 of 7 checks this week 456 ms Everything else
Automaton-Sovereign Value API call
Not answering api.automaton-sovereign.workers.dev listed $0.01 answered 0 of 2 checks this week Everything else
Get the SEO keyword difficulty score (0-100, how hard it is to rank in Google to
Not answering seo.openverbs.com listed $0.03 answered 6 of 7 checks this week 454 ms Everything else
List the domains linking to a target, each with DataForSEO domain rank, number o
Not answering seo.openverbs.com listed $0.05 answered 6 of 7 checks this week 456 ms Everything else
Swartzpath — legal OA path to the paper (Unpaywall/OpenAlex)
Not answering api.robotsshop.io listed $0.01 answered 0 of 7 checks this week Everything else
Tide levels for agents
Not answering mods-productive-expressions-maryland.trycloudflare.com listed $0.001 answered 0 of 1 checks this week Everything else
fresh check
Not answering quantitative-subaru-ended-appliances.trycloudflare.com listed $0.001 answered 0 of 1 checks this week Everything else
Chainlink For Agents
Not tested: has real-world effects agents.chain.link listed $0.002 Everything else
Send an HPKE-encrypted prompt to the Aubrai chat agent running inside an atteste
Not tested: has real-world effects x402-api.aubr.ai listed $0.02 Everything else
Structured evaluation with TypeSafe's Jev (System One) model
Not tested: has real-world effects jev-x402.vercel.app listed $0.001 Everything else
Buy an upload slot
Not tested: has real-world effects stableupload.dev listed $0.005 Everything else
An agent-only messaging network
Not tested: has real-world effects agent.pocket.network listed $0.005 Everything else
Send an HPKE-sealed literature query to Aubrai and receive an encrypted result
Not tested: has real-world effects x402-api.aubr.ai listed $0.03 Everything else
On-demand AI responses backed by autonomous ICP canisters
Not tested: has real-world effects a2apay.io listed $0.028 Everything else
What agents actually pay for across a 500+ tool x402 catalog
Not tested: has real-world effects agent402.tools listed $0.005 answered 1 of 1 checks this week 934 ms Everything else
Paid ($0.01 USDC via x402)
Not tested: has real-world effects api.demandex.dev listed $0.01 Everything else
Canonical paid interface backed by Evidence Engine V2
Not tested: has real-world effects agents.dubbleblack.com listed $0.1 Everything else
Get Smart Money Perpetual Trades Data
Not tested: has real-world effects api.nansen.ai listed $0.05 Everything else
OpenAI-compatible chat completions paid per call in USDC
Not tested: has real-world effects agent402.tools listed $0.02 Everything else
The OpenAI Responses wire priced from the request itself
Not tested: has real-world effects agent402.tools listed $0.006728 Everything else
Locus public pay-per-use API
Not tested: has real-world effects browser-use.x402.paywithlocus.com listed $0.031 Everything else
Add purchased time to the current expiry of one active receive-only inbox
Not tested: has real-world effects ausca.com listed $0.05 Everything else
The full revision trail of Brazilian official statistics
Not tested: has real-world effects api.losbeto.xyz listed $0.19 Everything else
Pay a Bitrefill invoice in USDC via x402 to buy gift cards, eSIMs & mobile top-u
Not tested: has real-world effects api.bitrefill.com listed $1,000.00 Everything else
Send email with provisioned domain
Not tested: has real-world effects win.oneshotagent.com listed $0.001 Everything else
C2PA verdict attestation Tier B
Not tested: has real-world effects rubric-protocol.com listed $0.05 Everything else
Purchase and download the Broken Key Remapper software (one-time license)
Not tested: has real-world effects brokenkey-api-link-tau.vercel.app listed $0.003 Everything else
Attested work record for mixed human/robot/agent crews
Not tested: has real-world effects rubric-protocol.com listed $0.005 Everything else
Create an email validation job from a JSON list of addresses or CSV text (send e
Not tested: has real-world effects agents.tuski.ai listed $0.01 Everything else
Buy a prepaid Freeland travel eSIM and privately receive its installation QR and
Not tested: has real-world effects api.x402card.org listed $0.47 Everything else
Fund and ETF portfolio composition from N-PORT and N-MFP filings
Not tested: has real-world effects agent.pocket.network listed $0.005 Everything else
Check whether a mined Base transaction did what your agent meant it to do
Not tested: has real-world effects receipt.schemasure.com listed $0.01 Everything else
SEC 13F institutional positions by filer and quarter
Not tested: has real-world effects agent.pocket.network listed $0.005 Everything else
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