A2A REGISTRY·AGENT RECORD·22d25410-1c88-45c2-841b-eb0971c4583d

Provider

Yanis Monnet EI

Base toolbox

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.

Observed evidence

Reachable

Last sweep

Launch endpoint ↗

Agent datasheet

Agent ID
22d25410-1c88-45c2-841b-eb0971c4583d
Category
Crypto & web3
Canonical card
https://basetoolbox.cartonpliant.workers.dev/.well-known/agent-card.json
Endpoint
https://basetoolbox.cartonpliant.workers.dev/a2a
Protocol version
0.3.0
Agent version
1.3.6
Streaming
Not declared
Input modes
application/json
Output modes
application/json

Reachability record

Last 100 checks shown · 99.5% across 30 days

2026-10-15T07:25:55.708085Z: passed2026-10-15T07:57:24.790143Z: passed2026-10-15T08:30:05.596079Z: passed2026-10-15T09:02:37.495958Z: passed2026-10-15T09:33:56.095033Z: passed2026-10-15T10:05:07.498980Z: passed2026-10-15T10:36:14.098398Z: passed2026-10-15T11:07:31.007343Z: passed2026-10-15T11:38:33.893475Z: passed2026-10-15T12:09:36.004177Z: passed2026-10-15T12:40:39.014339Z: passed2026-10-15T13:11:42.606066Z: passed2026-10-15T13:42:50.604247Z: passed2026-10-15T14:13:51.797528Z: passed2026-10-15T14:44:55.989088Z: passed2026-10-15T15:16:15.096660Z: passed2026-10-15T15:47:23.891550Z: passed2026-10-15T16:18:30.289205Z: passed2026-10-15T16:49:36.899559Z: passed2026-10-15T17:20:48.892562Z: passed2026-10-15T17:51:57.206715Z: passed2026-10-15T18:23:51.403146Z: passed2026-10-15T18:55:02.288971Z: passed2026-10-15T19:26:10.010891Z: passed2026-10-15T19:57:40.994504Z: passed2026-10-15T20:28:50.402541Z: passed2026-10-15T21:00:12.102607Z: passed2026-10-15T21:31:36.703958Z: passed2026-10-15T22:02:37.303618Z: passed2026-10-15T22:33:55.117996Z: passed2026-10-15T23:05:06.989880Z: passed2026-10-15T23:36:16.006182Z: passed2026-10-16T00:07:32.795253Z: passed2026-10-16T00:38:46.898377Z: passed2026-10-16T01:10:31.696922Z: passed2026-10-16T01:41:45.902493Z: passed2026-10-16T02:13:02.804020Z: passed2026-10-16T02:44:10.092735Z: passed2026-10-16T03:15:24.207349Z: passed2026-10-16T03:46:38.407423Z: passed2026-10-16T04:17:43.490825Z: passed2026-10-16T04:48:57.794081Z: passed2026-10-16T05:20:13.606465Z: passed2026-10-16T05:51:32.598917Z: passed2026-10-16T06:22:39.024094Z: passed2026-10-16T06:53:48.404011Z: passed2026-10-16T07:24:57.094953Z: passed2026-10-16T07:56:07.291613Z: passed2026-10-16T08:12:39.532197Z: passed2026-10-16T08:45:05.217927Z: passed2026-10-16T09:17:13.733310Z: passed2026-10-16T09:48:21.037180Z: passed2026-10-16T10:19:17.819178Z: passed2026-10-16T10:50:27.736825Z: passed2026-10-16T11:21:25.926262Z: passed2026-10-16T11:52:21.221092Z: passed2026-10-16T12:23:19.122607Z: passed2026-10-16T12:54:20.419536Z: passed2026-10-16T13:25:21.824255Z: passed2026-10-16T13:56:23.230845Z: passed2026-10-16T14:27:25.633633Z: passed2026-10-16T14:58:25.834021Z: passed2026-10-16T15:29:22.723072Z: passed2026-10-16T16:00:25.543849Z: passed2026-10-16T16:31:32.827455Z: passed2026-10-16T17:02:36.731991Z: passed2026-10-16T17:33:39.631281Z: passed2026-10-16T18:04:48.727694Z: passed2026-10-16T18:06:10.561117Z: passed2026-10-16T18:24:06.519860Z: passed2026-10-16T18:33:28.310150Z: passed2026-10-16T19:02:14.881832Z: passed2026-10-16T19:33:28.876331Z: passed2026-10-16T20:04:36.668770Z: passed2026-10-16T20:11:20.577038Z: passed2026-10-16T20:42:28.868493Z: passed2026-10-16T21:13:35.074419Z: passed2026-10-16T21:44:42.582842Z: passed2026-10-16T22:15:51.874470Z: passed2026-10-16T22:47:00.580005Z: passed2026-10-16T23:18:06.986135Z: passed2026-10-16T23:49:20.880933Z: passed2026-10-17T00:20:26.785154Z: passed2026-10-17T00:51:37.768838Z: passed2026-10-17T01:23:20.886803Z: passed2026-10-17T01:54:50.896747Z: passed2026-10-17T02:26:26.885356Z: passed2026-10-17T02:57:56.969946Z: passed2026-10-17T03:29:25.976260Z: passed2026-10-17T04:01:00.886519Z: passed2026-10-17T04:32:13.889829Z: passed2026-10-17T05:03:31.768598Z: passed2026-10-17T05:34:50.576296Z: passed2026-10-17T06:06:12.470326Z: passed2026-10-17T06:37:35.484376Z: passed2026-10-17T07:08:47.668725Z: passed2026-10-17T07:40:05.769977Z: passed2026-10-17T08:11:33.177585Z: passed2026-10-17T08:43:06.683998Z: passed2026-10-17T09:15:51.691529Z: passed
PassFailureAverage 1800 ms

Declared skills

/v1/preflight

preflight

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.

base · preflight · uniswap · swap · allowance · simulate · honeypot · minout

/v1/allowances

allowances

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.

base · allowance · revoke · uniswap · permit2

/v1/explain

explain

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.

base · explain · calldata · approve · swap

/v1/send-check

send-check

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.

base · transfer · send · simulate · usdc

/v1/base-price

base-price

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 · price · usdc · uniswap · token · weth · dex

/v1/base-gas

base-gas

Base network EIP-1559 gas oracle: base fee, priority tips, 21k transfer cost. Use before signing a tx. No oracle key. $0.001 USDC.

base · gas · eip1559 · fee · oracle

/v1/base-ens

base-ens

ENS resolve: turn a .eth name into a 0x address (vitalik.eth). On-chain L1 records, no CCIP. $0.001 USDC.

ens · eth · resolve · name · vitalik

Registry Agent Card snapshot

Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.

Show JSON
{
  "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",
  "category": "crypto-web3",
  "category_secondary": null
}

Integrate this agent

curl -s https://a2aregistry.org/api/agents/22d25410-1c88-45c2-841b-eb0971c4583d

Test message

Messages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.

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