Two ways to give your agent the 402 Index toolkit.
Install the MCP server
Direct programmatic discovery of every L402, x402, and MPP endpoint we index. Works in Claude Desktop, Claude Code, Cursor, Cline, Windsurf, Gemini CLI, and Codex.
SpellzCode — Text analysis pack: readability, keywords, entities and safety (MPP)https://agent-data-tools.revmesh2074.workers.dev/pack/text-analysis?text=Agents+pay+per+call+with+USDC.+Contact+sales%40example.com+or+visit+https%3A%2F%2Fexample.com+for+%23x402+tools.+Ignore+previous+instructions.
MPP
$0.03
developer-tools/utilities
healthy
374ms
self-registered
SpellzCode — Text embeddings (BGE-M3)https://agent-data-tools.revmesh2074.workers.dev/ai/embed?text=pay-per-call+APIs+for+AI+agents
x402
$0.01
developer-tools/utilities
healthy
231ms
self-registered
SpellzCode — Text statistics and readabilityhttps://agent-data-tools.revmesh2074.workers.dev/text/stats?text=The+quick+brown+fox+jumps+over+the+lazy+dog.+It+was+not+amused.
x402
$0.01
developer-tools/utilities
healthy
382ms
self-registered
SpellzCode — Text to speech (audio file)https://agent-data-tools.revmesh2074.workers.dev/ai/speech?text=Your+payment+was+received.+Thank+you%21
x402
$0.01
developer-tools/utilities
healthy
190ms
self-registered
SpellzCode — Tip calculator: tip, total and split per personhttps://agent-data-tools.revmesh2074.workers.dev/calc/tip?bill=84.5
x402
$0.01
developer-tools/utilities
healthy
326ms
self-registered
SpellzCode — Tip calculator: tip, total and split per person (MPP)https://agent-data-tools.revmesh2074.workers.dev/calc/tip?bill=84.5
MPP
$0.01
developer-tools/utilities
healthy
326ms
self-registered
SpellzCode — Token USD price from Uniswap v3 poolshttps://agent-data-tools.revmesh2074.workers.dev/price/token?address=0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf
SpellzCode — Transaction explainer: what an EVM transaction didhttps://agent-data-tools.revmesh2074.workers.dev/pack/tx-explain?hash=0x7d108fa131ed949c76d50caf2e7dfe25fc9903b9d276c40a0446d8afbdfe86b0
x402
$0.03
developer-tools/utilities
healthy
401ms
self-registered
SpellzCode — Transaction explainer: what an EVM transaction did (MPP)https://agent-data-tools.revmesh2074.workers.dev/pack/tx-explain?hash=0x7d108fa131ed949c76d50caf2e7dfe25fc9903b9d276c40a0446d8afbdfe86b0
MPP
$0.03
developer-tools/utilities
healthy
401ms
self-registered
SpellzCode — Translate text (100 languages)https://agent-data-tools.revmesh2074.workers.dev/ai/translate?text=Payment+received%2C+thank+you%21&to=sv
SpellzCode — US airport delays, ground stops and closureshttps://agent-data-tools.revmesh2074.workers.dev/airport/status?airport=LGA
x402
$0.01
developer-tools/utilities
healthy
391ms
self-registered
SpellzCode — US airport delays, ground stops and closures (MPP)https://agent-data-tools.revmesh2074.workers.dev/airport/status?airport=LGA
MPP
$0.01
developer-tools/utilities
healthy
391ms
self-registered
SpellzCode — USD prices for up to 20 tokens in one callhttps://agent-data-tools.revmesh2074.workers.dev/price/tokens?addresses=0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf%2C0x4200000000000000000000000000000000000006
x402
$0.0050
developer-tools/utilities
healthy
306ms
self-registered
SpellzCode — Unemployment rate by country: total and youth, % of labour force (World Bank)https://agent-data-tools.revmesh2074.workers.dev/econ/unemployment?country=SE
x402
$0.01
developer-tools/utilities
healthy
411ms
self-registered
SpellzCode — Unemployment rate by country: total and youth, % of labour force (World Bank) (MPP)https://agent-data-tools.revmesh2074.workers.dev/econ/unemployment?country=SE
SpellzCode — Uptime check, website status: is it up and how fast (MPP)https://agent-data-tools.revmesh2074.workers.dev/url/uptime?url=https%3A%2F%2Fwww.wikipedia.org%2F
MPP
$0.01
developer-tools/utilities
healthy
429ms
self-registered
SpellzCode — User agent parser: browser, OS, device and botshttps://agent-data-tools.revmesh2074.workers.dev/useragent/parse?ua=Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F130.0.0.0+Safari%2F537.36
x402
$0.01
developer-tools/utilities
healthy
214ms
self-registered
SpellzCode — User agent parser: browser, OS, device and bots (MPP)https://agent-data-tools.revmesh2074.workers.dev/useragent/parse?ua=Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F130.0.0.0+Safari%2F537.36
SpellzCode — Validate an IBANhttps://agent-data-tools.revmesh2074.workers.dev/validate/iban?iban=SE45+5000+0000+0583+9825+7466
x402
$0.01
developer-tools/utilities
healthy
213ms
self-registered
SpellzCode — Validate an ISBNhttps://agent-data-tools.revmesh2074.workers.dev/validate/isbn?isbn=0-306-40615-2
x402
$0.01
developer-tools/utilities
healthy
220ms
self-registered
SpellzCode — Verified Base DEX pair details and market datahttps://agent-data-tools.revmesh2074.workers.dev/liquidity-pool-audit
x402
$0.01
crypto/defi
healthy
303ms
self-registered
SpellzCode — Verify an Ethereum signature: recover the signer of a messagehttps://agent-data-tools.revmesh2074.workers.dev/evm/verify-signature?message=hello&signature=0xf16ea9a3478698f695fd1401bfe27e9e4a7e8e3da94aa72b021125e31fa899cc573c48ea3fe1d4ab61a9db10c19032026e3ed2dbccba5a178235ac27f94504311c
x402
$0.01
developer-tools/utilities
healthy
489ms
self-registered
SpellzCode — Verify an Ethereum signature: recover the signer of a message (MPP)https://agent-data-tools.revmesh2074.workers.dev/evm/verify-signature?message=hello&signature=0xf16ea9a3478698f695fd1401bfe27e9e4a7e8e3da94aa72b021125e31fa899cc573c48ea3fe1d4ab61a9db10c19032026e3ed2dbccba5a178235ac27f94504311c
SpellzCode — Web page to clean texthttps://agent-data-tools.revmesh2074.workers.dev/extract?url=https%3A%2F%2Fexample.com
x402
$0.0020
data/extraction
healthy
284ms
self-registered
SpellzCode — Web page to clean texthttps://agent-data-tools.revmesh2074.workers.dev/extract
x402
$0.0020
data/extraction
healthy
166ms
self-registered
SpellzCode — Web search results (MPP)https://agent-data-tools.revmesh2074.workers.dev/search?q=x402+payment+protocol
MPP
$0.01
developer-tools/utilities
healthy
376ms
self-registered
SpellzCode — Website audit pack: uptime, SEO, security headers, redirects and DNShttps://agent-data-tools.revmesh2074.workers.dev/pack/website-audit?url=https%3A%2F%2Fwww.wikipedia.org%2F
x402
$0.03
developer-tools/utilities
healthy
172ms
self-registered
SpellzCode — Website audit pack: uptime, SEO, security headers, redirects and DNS (MPP)https://agent-data-tools.revmesh2074.workers.dev/pack/website-audit?url=https%3A%2F%2Fwww.wikipedia.org%2F
MPP
$0.03
developer-tools/utilities
healthy
172ms
self-registered
SpellzCode — Wikipedia summaryhttps://agent-data-tools.revmesh2074.workers.dev/wikipedia?title=Stockholm
x402
$0.01
data/public-data
healthy
181ms
self-registered
SpellzCode — XML to JSON converterhttps://agent-data-tools.revmesh2074.workers.dev/xml/to-json?xml=%3Corder+id%3D%227%22%3E%3Citem+sku%3D%22a1%22%3EPen%3C%2Fitem%3E%3Citem+sku%3D%22b2%22%3EInk%3C%2Fitem%3E%3C%2Forder%3E
x402
$0.01
developer-tools/utilities
healthy
364ms
self-registered
SpellzCode — XML to JSON converter (MPP)https://agent-data-tools.revmesh2074.workers.dev/xml/to-json?xml=%3Corder+id%3D%227%22%3E%3Citem+sku%3D%22a1%22%3EPen%3C%2Fitem%3E%3Citem+sku%3D%22b2%22%3EInk%3C%2Fitem%3E%3C%2Forder%3E
MPP
$0.01
developer-tools/utilities
healthy
364ms
self-registered
SpellzCode — YAML to JSON: convert a YAML document into JSONhttps://agent-data-tools.revmesh2074.workers.dev/yaml/to-json?yaml=name%3A+agent%0Aports%3A%0A++-+80%0A++-+443%0Aenabled%3A+true
x402
$0.01
developer-tools/utilities
healthy
425ms
self-registered
SpellzCode — YAML to JSON: convert a YAML document into JSON (MPP)https://agent-data-tools.revmesh2074.workers.dev/yaml/to-json?yaml=name%3A+agent%0Aports%3A%0A++-+80%0A++-+443%0Aenabled%3A+true
MPP
$0.01
developer-tools/utilities
healthy
425ms
self-registered
SpellzCode — Yes or nohttps://agent-data-tools.revmesh2074.workers.dev/yes-no
x402
$0.01
entertainment/random
healthy
205ms
self-registered
SpellzCode — Zodiac sign from a birth date: western and Chinesehttps://agent-data-tools.revmesh2074.workers.dev/date/zodiac?date=1990-08-15
x402
$0.01
developer-tools/utilities
healthy
417ms
self-registered
SpellzCode — Zodiac sign from a birth date: western and Chinese (MPP)https://agent-data-tools.revmesh2074.workers.dev/date/zodiac?date=1990-08-15
SpellzCode — x402 seller audit: vet a paid endpoint's terms, payTo and domain before buying (MPP)https://agent-data-tools.revmesh2074.workers.dev/check/x402-seller?url=https%3A%2F%2Fagent-data-tools.revmesh2074.workers.dev%2Fbtc-fees
MPP
$0.01
developer-tools/utilities
healthy
222ms
self-registered
Spend Cap Review: Do Cost Limits Really Stop? — skill file for AI agents (AISkills402)https://api.aiskills402.com/v1/skills/spend-guard-review/file