ToolAssay

Everything else

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

Validate an email address before you accept a signup or send to it
Not tested: has real-world effects 402utils.com listed $0.003 Everything else
Verifies that a transaction hash settled a USDC payment to a given recipient, re
Not tested: has real-world effects xhagents.xyz listed $0.1 Everything else
Verify if an email address is valid and likely deliverable
Not tested: has real-world effects verify.camelai.io listed $0.005 Everything else
Wesson 2003 Clinical Opiate Withdrawal Scale (COWS)
Not tested: has real-world effects api.magentlab.com listed $0.005 Everything else
Whale monitor
Not tested: has real-world effects btcnode.uk listed $0.001 Everything else
When does this domain expire?
Not tested: has real-world effects intel.rallylive.ca listed $0.01 Everything else
When will a bank transfer in Japan be credited?
Not tested: has real-world effects japan-business-day-api.matchan962.workers.dev listed $0.01 Everything else
Why is my bread dense?
Not tested: has real-world effects kitchen-pass.netlify.app listed $0.02 answered 1 of 1 checks this week 609 ms Everything else
Will anyone pay this x402 endpoint?
Not tested: has real-world effects sentedge.ai listed $0.01 Everything else
gpt.558686.xyz/v1/guard/tx
Not tested: has real-world effects gpt.558686.xyz listed $0.15 answered 2 of 2 checks this week 194 ms Everything else
llms.txt reader
Not tested: has real-world effects intel.rallylive.ca listed $0.01 Everything else
mSOAR (Abdul-Rahim 2016 Stroke)
Not tested: has real-world effects api.magentlab.com listed $0.005 Everything else
minia2a service
Not tested: has real-world effects minia2a.uk listed $0.01 Everything else
minia2a service
Not tested: has real-world effects minia2a.uk listed $0.01 Everything else
minia2a service
Not tested: has real-world effects minia2a.uk listed $0.05 Everything else
saylorinnovations.com/api/lobbying/filings
Not tested: has real-world effects saylorinnovations.com listed $0.002 answered 1 of 1 checks this week 1635 ms Everything else
scry.solanahub.de/x402/mint-risk
Not tested: has real-world effects scry.solanahub.de listed $0.03 Everything else
A bounded head of ONE table in a Form 13F data set, read with two byte-range req
Not tested: has real-world effects agent402.tools listed $0.005 Everything else
A pay / review / do-not-pay verdict before sending funds
Not tested: has real-world effects 47620.xyz listed $0.02 Everything else
APEX Runner
Not tested: has real-world effects apexrunner.ai listed $0.007 Everything else
APEX Runner
Not tested: has real-world effects apexrunner.ai listed $0.007 Everything else
Admin activity monitor for contract owners and security teams
Not tested: has real-world effects agentforge-taupe.vercel.app listed $0.025 Everything else
Aggregate financial summaries (receipts, disbursements, cash-on-hand, debt, tran
Not tested: has real-world effects 2s.io listed $0.003 Everything else
Analyse a domain for brand impersonation
Not tested: has real-world effects chainverdict.xyz listed $0.005 Everything else
Answer whether an agent can claim a stored bounty job and show its observed heal
Not tested: has real-world effects bounty-signals.krimskrams.xyz listed $0.02 Everything else
Applies fixed coefficients to recency, session trend, playtime, support tickets,
Not tested: has real-world effects gaming.halowerk.com listed $0.003 Everything else
Apply structural edits (move/rotate footprints, resize a net's track width, add
Not tested: has real-world effects pcb.api.williamrobinson.dev listed $0.25 Everything else
Atomically reserve cumulative mandate capacity and return signed state
Not tested: has real-world effects phion.systems listed $0.004 Everything else
BC Childcare Register
Not tested: has real-world effects bcchildcare.getregisters.com listed $0.025 Everything else
Binary SEC change signal since a date
Not tested: has real-world effects x402-data-api.x402agent.workers.dev listed $0.01 Everything else
Bind A2A task identity to a transaction while preserving explicit authority gaps
Not tested: has real-world effects phion.systems listed $0.004 Everything else
Bridge exploit track record
Not tested: has real-world effects api.agentstools.dev listed $0.01 Everything else
Briefversand in Deutschland
Not tested: has real-world effects x402.nexari.cloud listed $2.99 Everything else
Build an unsigned swap transaction for the best route
Not tested: has real-world effects api.3route.io listed $0.00001 Everything else
Bulk agent-readiness screening for agencies, VCs and portfolio owners
Not tested: has real-world effects mudko.com listed $0.1 Everything else
Business Frameworks — Set the hurdle rate, applied to the caller's own numbers
Not tested: has real-world effects business-frameworks.matryoshka-paradigms.workers.dev listed $0.01 Everything else
Buy a $0.10 trial key
Not tested: has real-world effects api.loopholetape.com listed $0.1 Everything else
Buy a $0.10 trial key
Not tested: has real-world effects api.loopholetape.com listed $0.1 Everything else
Buy a US or CA phone number
Not tested: has real-world effects x402.orthogonal.com listed $3.50 Everything else
Buy a base skill for any fighter — lands live in the public arena
Not tested: has real-world effects agentpaystore.com listed $0.1 Everything else
Buy a verified listing for YOUR x402 endpoint, remote MCP server or A2A agent —
Not tested: has real-world effects toll402.dev listed $1.00 Everything else
Buy one skill for your seat in a live match
Not tested: has real-world effects agentpaystore.com listed $0.1 Everything else
Call before signing or broadcasting a Bitcoin transaction
Not tested: has real-world effects preflight402.com listed $0.1 Everything else
Call this when an agent tracks GDACS disasters (see /v1/disaster-events) and nee
Not tested: has real-world effects wailand.tailf99551.ts.net listed $0.005 Everything else
Call when you want every curated Playbook skill as full SKILL.md files in a sing
Not tested: has real-world effects x402-seller-a5et.onrender.com listed $0.15 Everything else
Car recall lookup
Not tested: has real-world effects x402.forgemesh.io listed $0.005 Everything else
Chainlink For Agents
Not tested: has real-world effects agents.chain.link listed $0.002 Everything else
Check up to ten declared claim-evidence relationships against a finite, versione
Not tested: has real-world effects www.mahastrategies.com listed $0.0105 Everything else
Check whether an email address is well-formed and its domain can receive mail, b
Not tested: has real-world effects api.x-402.online listed $0.005 Everything else
Classify a failed agent transaction and produce a signed, machine-readable recov
Not tested: has real-world effects phion.systems listed $0.01 Everything else
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