/v1/preflight
preflightBefore you sign a Uniswap v3 swap on Base: amountOut, minOut, gas, exact-amount approve calldata (never max uint), simulate revert, sell-check. POST {from, tokenIn, tokenOut, amountIn}. $0.10 USDC.
Provider
Yanis Monnet EI
Base toolbox: before you sign on Base — Uniswap v3 preflight, leftover allowances, tx explain, transfer check. $0.10 USDC. Also $0.001 price/gas/ENS. GET /v1/constants free. No CoinGecko key.
Last 100 checks shown · 100.0% across 30 days
Before you sign a Uniswap v3 swap on Base: amountOut, minOut, gas, exact-amount approve calldata (never max uint), simulate revert, sell-check. POST {from, tokenIn, tokenOut, amountIn}. $0.10 USDC.
Leftover Uniswap-family ERC-20 allowances on Base for one token: SwapRouter02, Permit2, Universal Router. Revoke calldata is approve(spender, 0), never max uint. POST {from, token}. $0.10 USDC.
Decode a Base tx before you sign: approve, ERC-20 transfer, or Uniswap v3 exactInputSingle. Unknown calldata → abort. POST {to, data, value}. $0.10 USDC.
Before you send USDC/WETH/ETH on Base: simulate the transfer, reject zero address, flag contract recipients. POST {from, to, token, amountIn}. $0.10 USDC.
Live DEX token price in USD on Base. Uniswap v3 USDC pool. Pass ticker WETH/USDC/cbBTC or 0x contract. No CoinGecko key. $0.001 USDC.
Base network EIP-1559 gas oracle: base fee, priority tips, 21k transfer cost. Use before signing a tx. No oracle key. $0.001 USDC.
ENS resolve: turn a .eth name into a 0x address (vitalik.eth). On-chain L1 records, no CCIP. $0.001 USDC.
Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.
{
"protocolVersion": "0.3.0",
"name": "Base toolbox",
"description": "Base toolbox: before you sign on Base — Uniswap v3 preflight, leftover allowances, tx explain, transfer check. $0.10 USDC. Also $0.001 price/gas/ENS. GET /v1/constants free. No CoinGecko key.",
"author": "Yanis Monnet EI",
"wellKnownURI": "https://basetoolbox.cartonpliant.workers.dev/.well-known/agent-card.json",
"url": "https://basetoolbox.cartonpliant.workers.dev/a2a",
"version": "1.3.6",
"provider": {
"organization": "Yanis Monnet EI",
"url": "https://basetoolbox.cartonpliant.workers.dev/"
},
"documentationUrl": "https://basetoolbox.cartonpliant.workers.dev/llms.txt",
"iconUrl": "https://basetoolbox.cartonpliant.workers.dev/logo.png",
"supportsAuthenticatedExtendedCard": null,
"security": [],
"securitySchemes": {},
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false,
"extensions": null
},
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"skills": [
{
"id": "preflight",
"name": "/v1/preflight",
"description": "Before you sign a Uniswap v3 swap on Base: amountOut, minOut, gas, exact-amount approve calldata (never max uint), simulate revert, sell-check. POST {from, tokenIn, tokenOut, amountIn}. $0.10 USDC.",
"tags": [
"base",
"preflight",
"uniswap",
"swap",
"allowance",
"simulate",
"honeypot",
"minout"
],
"examples": [
"POST /v1/preflight on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "allowances",
"name": "/v1/allowances",
"description": "Leftover Uniswap-family ERC-20 allowances on Base for one token: SwapRouter02, Permit2, Universal Router. Revoke calldata is approve(spender, 0), never max uint. POST {from, token}. $0.10 USDC.",
"tags": [
"base",
"allowance",
"revoke",
"uniswap",
"permit2"
],
"examples": [
"POST /v1/allowances on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "explain",
"name": "/v1/explain",
"description": "Decode a Base tx before you sign: approve, ERC-20 transfer, or Uniswap v3 exactInputSingle. Unknown calldata → abort. POST {to, data, value}. $0.10 USDC.",
"tags": [
"base",
"explain",
"calldata",
"approve",
"swap"
],
"examples": [
"POST /v1/explain on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "send-check",
"name": "/v1/send-check",
"description": "Before you send USDC/WETH/ETH on Base: simulate the transfer, reject zero address, flag contract recipients. POST {from, to, token, amountIn}. $0.10 USDC.",
"tags": [
"base",
"transfer",
"send",
"simulate",
"usdc"
],
"examples": [
"POST /v1/send-check on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "base-price",
"name": "/v1/base-price",
"description": "Live DEX token price in USD on Base. Uniswap v3 USDC pool. Pass ticker WETH/USDC/cbBTC or 0x contract. No CoinGecko key. $0.001 USDC.",
"tags": [
"base",
"price",
"usdc",
"uniswap",
"token",
"weth",
"dex"
],
"examples": [
"POST /v1/base-price on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "base-gas",
"name": "/v1/base-gas",
"description": "Base network EIP-1559 gas oracle: base fee, priority tips, 21k transfer cost. Use before signing a tx. No oracle key. $0.001 USDC.",
"tags": [
"base",
"gas",
"eip1559",
"fee",
"oracle"
],
"examples": [
"POST /v1/base-gas on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
},
{
"id": "base-ens",
"name": "/v1/base-ens",
"description": "ENS resolve: turn a .eth name into a 0x address (vitalik.eth). On-chain L1 records, no CCIP. $0.001 USDC.",
"tags": [
"ens",
"eth",
"resolve",
"name",
"vitalik"
],
"examples": [
"POST /v1/base-ens on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
}
],
"conformance": true,
"conformance_errors": null,
"homepage": null,
"repository": null,
"license": null,
"pricing": null,
"contact": null,
"id": "22d25410-1c88-45c2-841b-eb0971c4583d"
}curl -s https://a2aregistry.org/api/agents/22d25410-1c88-45c2-841b-eb0971c4583dMessages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.