Tool
Assay
Browse
How we test
Open data
All tools
Any category
Image and media
Code and developer
Company and compliance
Commerce and shopping
Market data
Search and research
Everything else
Any result
Answered correctly
Asked more than listed
Not answering
Not tested (real-world effects)
Search
19,703 tools. Tools that answered our last check come first.
Call OpenAI's gpt-5.4-mini via a single pay-per-call x402 endpoint — no OpenAI a
Answering
netintel.dev
listed $0.04
answered 7 of 7 checks this week
924 ms
Search and research
Call OpenAI's gpt-5.4-nano via a single pay-per-call x402 endpoint — no OpenAI a
Answering
netintel.dev
listed $0.005
answered 7 of 7 checks this week
925 ms
Search and research
Call OpenAI's gpt-5.5 via a single pay-per-call x402 endpoint — no OpenAI accoun
Answering
netintel.dev
listed $0.65
answered 7 of 7 checks this week
953 ms
Search and research
Call OpenAI's gpt-5.6-luna via a single pay-per-call x402 endpoint — no OpenAI a
Answering
netintel.dev
listed $0.06
answered 7 of 7 checks this week
934 ms
Search and research
Call OpenAI's gpt-5.6-sol via a single pay-per-call x402 endpoint — no OpenAI ac
Answering
netintel.dev
listed $0.65
answered 7 of 7 checks this week
933 ms
Search and research
Call OpenAI's gpt-5.6-terra via a single pay-per-call x402 endpoint — no OpenAI
Answering
netintel.dev
listed $0.25
answered 7 of 7 checks this week
950 ms
Search and research
Call before acting on CVE identifiers produced by a model
Answering
preflight402.com
listed $0.05
answered 3 of 3 checks this week
29 ms
Everything else
Call before pinning or installing a specific package version in npm, PyPI or cra
Answering
preflight402.com
listed $0.05
answered 3 of 3 checks this week
810 ms
Company and compliance
Call before publishing a claim that cites EU law
Answering
preflight402.com
listed $0.1
answered 3 of 3 checks this week
39 ms
Everything else
Call before signing a Bitcoin transaction when you need chain context for its in
Answering
preflight402.com
listed $0.1
answered 3 of 3 checks this week
31 ms
Market data
Call before signing an Ethereum or Base transaction or calldata
Answering
preflight402.com
listed $0.1
answered 3 of 3 checks this week
29 ms
Market data
Call this when an agent holds EU/DACH funding calls (see /v1/opportunities) and
Answering
wailand.tailf99551.ts.net
listed $0.02
answered 7 of 7 checks this week
1085 ms
Everything else
Call when an agent already has HTML and needs clean markdown
Answering
agentshelf.syntexa.ch
listed $0.002
answered 7 of 7 checks this week
894 ms
Code and developer
Call when an agent needs 0x-prefixed 20-byte hex extracted from text, capped at
Answering
agentshelf.syntexa.ch
listed $0.004
answered 7 of 7 checks this week
891 ms
Code and developer
Call when an agent needs 13–19 digit card-shaped numbers extracted from text, ca
Answering
agentshelf.syntexa.ch
listed $0.007
answered 7 of 7 checks this week
897 ms
Code and developer
Call when an agent needs AMP HTML hrefs via link[rel='amphtml'] from a public pa
Answering
agentshelf.syntexa.ch
listed $0.004
answered 7 of 7 checks this week
874 ms
Code and developer
Call when an agent needs Atom autodiscovery hrefs via link[type='application/ato
Answering
agentshelf.syntexa.ch
listed $0.005
answered 7 of 7 checks this week
892 ms
Code and developer
Call when an agent needs BIC codes extracted from text, capped at 20 matches
Answering
agentshelf.syntexa.ch
listed $0.007
answered 7 of 7 checks this week
896 ms
Code and developer
Call when an agent needs CAA records as critical, tag, and value
Answering
agentshelf.syntexa.ch
listed $0.003
answered 7 of 7 checks this week
884 ms
Code and developer
Call when an agent needs CAA records whose tag is contactemail
Answering
agentshelf.syntexa.ch
listed $0.006
answered 7 of 7 checks this week
890 ms
Code and developer
Call when an agent needs CAA records whose tag is iodef
Answering
agentshelf.syntexa.ch
listed $0.005
answered 7 of 7 checks this week
893 ms
Code and developer
Call when an agent needs CAA records whose tag is issue, not issuewild
Answering
agentshelf.syntexa.ch
listed $0.003
answered 7 of 7 checks this week
893 ms
Code and developer
Call when an agent needs CAA records whose tag is issuewild
Answering
agentshelf.syntexa.ch
listed $0.004
answered 7 of 7 checks this week
889 ms
Code and developer
Call when an agent needs CNAME targets only
Answering
agentshelf.syntexa.ch
listed $0.01
answered 7 of 7 checks this week
892 ms
Code and developer
Call when an agent needs CSP, HSTS, X-Frame-Options, Referrer-Policy, and Permis
Answering
agentshelf.syntexa.ch
listed $0.004
answered 7 of 7 checks this week
890 ms
Code and developer
Call when an agent needs CSV parsed with a forced colon delimiter
Answering
agentshelf.syntexa.ch
listed $0.008
answered 7 of 7 checks this week
893 ms
Code and developer
Call when an agent needs CSV parsed with a forced comma delimiter
Answering
agentshelf.syntexa.ch
listed $0.004
answered 7 of 7 checks this week
894 ms
Code and developer
Call when an agent needs CSV parsed with a forced pipe delimiter
Answering
agentshelf.syntexa.ch
listed $0.007
answered 7 of 7 checks this week
899 ms
Code and developer
Call when an agent needs CSV parsed with a forced semicolon delimiter
Answering
agentshelf.syntexa.ch
listed $0.005
answered 7 of 7 checks this week
890 ms
Code and developer
Call when an agent needs CSV parsed with a forced tab delimiter
Answering
agentshelf.syntexa.ch
listed $0.006
answered 7 of 7 checks this week
893 ms
Code and developer
Call when an agent needs DOI identifiers extracted from text, capped at 20 match
Answering
agentshelf.syntexa.ch
listed $0.003
answered 7 of 7 checks this week
891 ms
Code and developer
Call when an agent needs E.164-shaped phones extracted from text, capped at 20 m
Answering
agentshelf.syntexa.ch
listed $0.001
answered 7 of 7 checks this week
891 ms
Code and developer
Call when an agent needs EAN-13 digit strings extracted from text, capped at 20
Answering
agentshelf.syntexa.ch
listed $0.01
answered 7 of 7 checks this week
892 ms
Code and developer
Call when an agent needs HEAD status for up to 20 public URLs (SSRF-safe)
Answering
agentshelf.syntexa.ch
listed $0.01
answered 7 of 7 checks this week
887 ms
Code and developer
Call when an agent needs HH:MM times extracted from text, capped at 20 matches
Answering
agentshelf.syntexa.ch
listed $0.002
answered 7 of 7 checks this week
903 ms
Code and developer
Call when an agent needs HH:MM:SS times extracted from text, capped at 20 matche
Answering
agentshelf.syntexa.ch
listed $0.003
answered 7 of 7 checks this week
895 ms
Code and developer
Call when an agent needs HTML converted to plain text (scripts and styles remove
Answering
agentshelf.syntexa.ch
listed $0.001
answered 7 of 7 checks this week
888 ms
Code and developer
Call when an agent needs HTML sanitized to an allowlist of tags and safe URLs
Answering
agentshelf.syntexa.ch
listed $0.003
answered 7 of 7 checks this week
885 ms
Code and developer
Call when an agent needs HTML tables from a public URL or HTML turned into heade
Answering
agentshelf.syntexa.ch
listed $0.003
answered 7 of 7 checks this week
887 ms
Code and developer
Call when an agent needs HTML tags extracted from text, capped at 20 matches
Answering
agentshelf.syntexa.ch
listed $0.002
answered 7 of 7 checks this week
896 ms
Code and developer
Call when an agent needs IBAN-shaped tokens extracted from text, capped at 20 ma
Answering
agentshelf.syntexa.ch
listed $0.007
answered 7 of 7 checks this week
895 ms
Code and developer
Call when an agent needs IPv4 CIDR blocks extracted from text, capped at 20 matc
Answering
agentshelf.syntexa.ch
listed $0.009
answered 7 of 7 checks this week
893 ms
Code and developer
Call when an agent needs IPv4 addresses extracted from text, capped at 20 matche
Answering
agentshelf.syntexa.ch
listed $0.01
answered 7 of 7 checks this week
891 ms
Code and developer
Call when an agent needs IPv4 addresses only
Answering
agentshelf.syntexa.ch
listed $0.006
answered 7 of 7 checks this week
889 ms
Code and developer
Call when an agent needs IPv6 addresses extracted from text, capped at 20 matche
Answering
agentshelf.syntexa.ch
listed $0.001
answered 7 of 7 checks this week
894 ms
Code and developer
Call when an agent needs IPv6 addresses only
Answering
agentshelf.syntexa.ch
listed $0.007
answered 7 of 7 checks this week
886 ms
Code and developer
Call when an agent needs ISBN-13 digit strings extracted from text, capped at 20
Answering
agentshelf.syntexa.ch
listed $0.008
answered 7 of 7 checks this week
891 ms
Code and developer
Call when an agent needs ISO dates extracted from text, capped at 20 matches
Answering
agentshelf.syntexa.ch
listed $0.01
answered 7 of 7 checks this week
955 ms
Code and developer
Call when an agent needs ISO week dates extracted from text, capped at 20 matche
Answering
agentshelf.syntexa.ch
listed $0.004
answered 7 of 7 checks this week
889 ms
Code and developer
Call when an agent needs ISSN tokens extracted from text, capped at 20 matches
Answering
agentshelf.syntexa.ch
listed $0.01
answered 7 of 7 checks this week
900 ms
Code and developer
← Previous
Page 176 of 395
Next →