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 — Base ERC-20 balancehttps://agent-data-tools.revmesh2074.workers.dev/base/token-balance?token=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
x402
$0.01
blockchain/onchain-data
healthy
333ms
self-registered
SpellzCode — Base ERC-20 token facts and risk flagshttps://agent-data-tools.revmesh2074.workers.dev/token?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
x402
$0.01
crypto/token-data
healthy
187ms
self-registered
SpellzCode — Base ERC-20 token infohttps://agent-data-tools.revmesh2074.workers.dev/base/token-info?token=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
x402
$0.01
blockchain/onchain-data
healthy
356ms
self-registered
SpellzCode — Base NFT balancehttps://agent-data-tools.revmesh2074.workers.dev/base/nft-balance?contract=0x03a520b32C04BF3bEEf7BEb72E919cf822Ed34f1&address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
x402
$0.01
blockchain/onchain-data
healthy
963ms
self-registered
SpellzCode — Base NFT balance (MPP)https://agent-data-tools.revmesh2074.workers.dev/base/nft-balance?contract=0x03a520b32C04BF3bEEf7BEb72E919cf822Ed34f1&address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
MPP
$0.01
blockchain/onchain-data
healthy
963ms
self-registered
SpellzCode — Base NFT metadatahttps://agent-data-tools.revmesh2074.workers.dev/base/nft-metadata?contract=0x03a520b32C04BF3bEEf7BEb72E919cf822Ed34f1&tokenId=1
x402
$0.01
blockchain/onchain-data
healthy
444ms
self-registered
SpellzCode — Base NFT metadata (MPP)https://agent-data-tools.revmesh2074.workers.dev/base/nft-metadata?contract=0x03a520b32C04BF3bEEf7BEb72E919cf822Ed34f1&tokenId=1
MPP
$0.01
blockchain/onchain-data
healthy
444ms
self-registered
SpellzCode — Base account noncehttps://agent-data-tools.revmesh2074.workers.dev/base/nonce?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
x402
$0.01
blockchain/onchain-data
healthy
296ms
self-registered
SpellzCode — Base blockhttps://agent-data-tools.revmesh2074.workers.dev/base/block
x402
$0.0030
blockchain/onchain-data
healthy
328ms
self-registered
SpellzCode — Base contract bytecode, proxy-slot and zero-supply heuristicshttps://agent-data-tools.revmesh2074.workers.dev/contract-risk
x402
$0.01
crypto/security
healthy
185ms
self-registered
SpellzCode — Base contract callhttps://agent-data-tools.revmesh2074.workers.dev/base/call?to=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&data=0x18160ddd
x402
$0.01
blockchain/onchain-data
healthy
834ms
self-registered
SpellzCode — Base contract call (MPP)https://agent-data-tools.revmesh2074.workers.dev/base/call?to=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913&data=0x18160ddd
MPP
$0.01
blockchain/onchain-data
healthy
834ms
self-registered
SpellzCode — Base contract checkhttps://agent-data-tools.revmesh2074.workers.dev/base/is-contract?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
x402
$0.01
blockchain/onchain-data
healthy
294ms
self-registered
SpellzCode — Base gas estimatehttps://agent-data-tools.revmesh2074.workers.dev/base/estimate-gas?to=0x000000000000000000000000000000000000dEaD
x402
$0.01
blockchain/onchain-data
healthy
191ms
self-registered
SpellzCode — Base gas estimate (MPP)https://agent-data-tools.revmesh2074.workers.dev/base/estimate-gas?to=0x000000000000000000000000000000000000dEaD
MPP
$0.01
blockchain/onchain-data
healthy
191ms
self-registered
SpellzCode — Base gas price historyhttps://agent-data-tools.revmesh2074.workers.dev/base/gas-history?blocks=20
x402
$0.01
blockchain/onchain-data
healthy
194ms
self-registered
SpellzCode — Base gas price history (MPP)https://agent-data-tools.revmesh2074.workers.dev/base/gas-history?blocks=20
MPP
$0.01
blockchain/onchain-data
healthy
194ms
self-registered
SpellzCode — Base gas-cost estimates under priority-fee scenarioshttps://agent-data-tools.revmesh2074.workers.dev/mev-simulator
x402
$0.01
crypto/gas
healthy
244ms
self-registered
SpellzCode — Base native balancehttps://agent-data-tools.revmesh2074.workers.dev/base/balance?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
x402
$0.01
blockchain/onchain-data
healthy
205ms
self-registered
SpellzCode — Base network and USDC factshttps://agent-data-tools.revmesh2074.workers.dev/network
x402
$0.01
developer-tools/utilities
healthy
268ms
self-registered
SpellzCode — Base network gas price and fee estimatehttps://agent-data-tools.revmesh2074.workers.dev/base-gas
x402
$0.0020
crypto/gas
healthy
234ms
self-registered
SpellzCode — Base proxy implementationhttps://agent-data-tools.revmesh2074.workers.dev/base/proxy?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
x402
$0.01
blockchain/onchain-data
healthy
176ms
self-registered
SpellzCode — Base proxy implementation (MPP)https://agent-data-tools.revmesh2074.workers.dev/base/proxy?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
MPP
$0.01
blockchain/onchain-data
healthy
176ms
self-registered
SpellzCode — Base recent event logshttps://agent-data-tools.revmesh2074.workers.dev/base/logs?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
x402
$0.01
blockchain/onchain-data
healthy
326ms
self-registered
SpellzCode — Base storage slot readhttps://agent-data-tools.revmesh2074.workers.dev/base/storage?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
x402
$0.01
blockchain/onchain-data
healthy
423ms
self-registered
SpellzCode — Base storage slot read (MPP)https://agent-data-tools.revmesh2074.workers.dev/base/storage?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
MPP
$0.01
blockchain/onchain-data
healthy
423ms
self-registered
SpellzCode — Base token pre-trade report: on-chain risk plus live DEX market datahttps://agent-data-tools.revmesh2074.workers.dev/token-report
x402
$0.01
crypto/token-risk
healthy
244ms
self-registered
SpellzCode — Base transaction receipthttps://agent-data-tools.revmesh2074.workers.dev/base/receipt?hash=0x7d108fa131ed949c76d50caf2e7dfe25fc9903b9d276c40a0446d8afbdfe86b0
x402
$0.01
blockchain/onchain-data
healthy
213ms
self-registered
SpellzCode — Base transaction status and detailshttps://agent-data-tools.revmesh2074.workers.dev/base-tx
x402
$0.0030
crypto/transactions
healthy
362ms
self-registered
SpellzCode — Base wallet balances and account nonce snapshothttps://agent-data-tools.revmesh2074.workers.dev/wallet?address=0x4200000000000000000000000000000000000006
x402
$0.0050
crypto/balances
healthy
316ms
self-registered
SpellzCode — Base wallet token transfershttps://agent-data-tools.revmesh2074.workers.dev/base/token-transfers?address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045
SpellzCode — Bitcoin price in major currencieshttps://agent-data-tools.revmesh2074.workers.dev/btc-price
x402
$0.01
real-time-data/crypto-price
healthy
311ms
self-registered
SpellzCode — Business days between dates, working days calculatorhttps://agent-data-tools.revmesh2074.workers.dev/date/business-days?from=2026-12-01
x402
$0.01
developer-tools/utilities
healthy
486ms
self-registered
SpellzCode — Business days between dates, working days calculator (MPP)https://agent-data-tools.revmesh2074.workers.dev/date/business-days?from=2026-12-01
SpellzCode — CSV to JSONhttps://agent-data-tools.revmesh2074.workers.dev/csv/to-json?text=name%2Cage%0AAda%2C36
x402
$0.01
developer-tools/utilities
healthy
228ms
self-registered
SpellzCode — CSV to Markdown table: convert CSV into a GitHub tablehttps://agent-data-tools.revmesh2074.workers.dev/csv/to-markdown?csv=tool%2Cprice%2Ccalls%0Aweather%2C0.01%2C120%0Asearch%2C0.01%2C45
x402
$0.01
developer-tools/utilities
healthy
183ms
self-registered
SpellzCode — CSV to Markdown table: convert CSV into a GitHub table (MPP)https://agent-data-tools.revmesh2074.workers.dev/csv/to-markdown?csv=tool%2Cprice%2Ccalls%0Aweather%2C0.01%2C120%0Asearch%2C0.01%2C45
MPP
$0.01
developer-tools/utilities
healthy
183ms
self-registered
SpellzCode — Caesar cipher, ROT13: shift letters by any amounthttps://agent-data-tools.revmesh2074.workers.dev/text/caesar?text=Hello%2C+World%21
x402
$0.01
developer-tools/utilities
healthy
375ms
self-registered
SpellzCode — Caesar cipher, ROT13: shift letters by any amount (MPP)https://agent-data-tools.revmesh2074.workers.dev/text/caesar?text=Hello%2C+World%21
SpellzCode — Chat completion (Llama 3.3 70B or gpt-oss-120b) (MPP)https://agent-data-tools.revmesh2074.workers.dev/ai/chat-large?prompt=Explain+x402+in+one+sentence.
MPP
$0.01
developer-tools/utilities
healthy
245ms
self-registered
SpellzCode — Chat completion over GET (prompt in the query; same models and prices as the POST)https://agent-data-tools.revmesh2074.workers.dev/v1/chat/completions
x402
$0.0020
developer-tools/utilities
healthy
199ms
self-registered
SpellzCode — Chat completion over GET (prompt in the query; same models and prices as the POST) (MPP)https://agent-data-tools.revmesh2074.workers.dev/v1/chat/completions
MPP
$3000.00
developer-tools/utilities
healthy
199ms
self-registered
SpellzCode — Classify text into your labelshttps://agent-data-tools.revmesh2074.workers.dev/ai/classify?text=My+card+was+charged+twice+for+the+same+order.&labels=billing%2Cshipping%2Ctechnical%2Cother
x402
$0.01
developer-tools/utilities
healthy
223ms
self-registered
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