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Aether: Base onchain data & token risk (x402)

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io.github.francosmit94-web/aetherv4.0.0

Base token risk (honeypot sim), prices, balances, Basenames, tx data. Pay-per-call in USDC via x402.

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audit_evidence

Does this write-up back up what it claims? Send up to 40,000 characters of text; get the claims that cite no evidence, contradictions, missing evidence and documentation gaps, with fixes. Deterministic rules, no AI. Rejects text containing secrets. A documentation review, not legal or financial advice. Price: $0.01 USDC on Base via x402.

textstring, required

requeststring

Aether: Base onchain data & token risk (x402) MCP server | mcptry

Tools (23)

audit_evidence

read-only

Argument	Type	Description
text*	string
request	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "text"
  ],
  "properties": {
    "text": {
      "type": "string",
      "maxLength": 40000,
      "minLength": 1
    },
    "request": {
      "type": "string",
      "maxLength": 500
    }
  },
  "additionalProperties": false
}

audit_x402_payability

x402 endpoint audit: can a paying agent actually pay this API? Probes any x402 URL and validates its 402 payment requirements (CAIP-2 network, USDC asset, payTo checksum, amount, EIP-712 domain, resource URL, Bazaar discovery). Returns pass, warn or fail, a 0-100 score and a fix for every failure. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
url*	string	Public https URL of the paid x402 endpoint to audit
body	any	Example JSON body the endpoint accepts
expect	object	What the paying caller needs: fails the audit if the endpoint cannot be paid this way
method	any	Defaults to POST when body is supplied, otherwise GET
headers	object	Non-credential headers the endpoint needs before its paywall (e.g. Idempotency-Key)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "maxLength": 2048,
      "minLength": 1,
      "description": "Public https URL of the paid x402 endpoint to audit"
    },
    "body": {
      "description": "Example JSON body the endpoint accepts"
    },
    "expect": {
      "type": "object",
      "properties": {
        "asset": {
          "type": "string",
          "pattern": "^0x[0-9a-fA-F]{40}$"
        },
        "network": {
          "type": "string",
          "description": "CAIP-2 network, e.g. eip155:8453"
        },
        "maxPriceUsd": {
          "type": "number",
          "exclusiveMinimum": 0
        }
      },
      "description": "What the paying caller needs: fails the audit if the endpoint cannot be paid this way",
      "additionalProperties": false
    },
    "method": {
      "enum": [
        "GET",
        "POST",
        "PUT",
        "PATCH",
        "DELETE"
      ],
      "description": "Defaults to POST when body is supplied, otherwise GET"
    },
    "headers": {
      "type": "object",
      "description": "Non-credential headers the endpoint needs before its paywall (e.g. Idempotency-Key)",
      "maxProperties": 10,
      "additionalProperties": {
        "type": "string",
        "maxLength": 512
      }
    }
  },
  "additionalProperties": false
}

base_allowance

ERC-20 allowance check on Base: how much a spender is still approved to move from an owner's token balance, and whether the approval is unlimited. Run before a swap, an approve or a revoke. Input: token, owner, spender. Price: $0.002 USDC on Base via x402.

read-only

Argument	Type	Description
owner*	string
token*	string
spender*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "token",
    "owner",
    "spender"
  ],
  "properties": {
    "owner": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "token": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "spender": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_balance

Wallet balance on Base: the native ETH balance of any address, read live from the chain. Input: address. Price: $0.001 USDC on Base via x402.

read-only

Argument	Type	Description
address*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_basename

Basename lookup: resolve a Base name such as jesse.base.eth to its wallet address, with avatar and profile text records. Input: name. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
name*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "maxLength": 100,
      "minLength": 3
    }
  },
  "additionalProperties": false
}

base_block

Base block lookup by number or tag (latest, safe, finalized): timestamp, gas and transaction count. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
block	string \| integer

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "block": {
      "type": [
        "string",
        "integer"
      ]
    }
  },
  "additionalProperties": false
}

base_call

Simulate a read-only contract call on Base (eth_call) without sending a transaction: returns the raw result or the revert reason. Use it to dry-run a call before signing. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
to*	string
data*	string
from	string
value	string \| integer

Input schema (JSON)

{
  "type": "object",
  "required": [
    "to",
    "data"
  ],
  "properties": {
    "to": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "data": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]*$",
      "maxLength": 20000
    },
    "from": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "value": {
      "type": [
        "string",
        "integer"
      ],
      "pattern": "^[0-9]+$"
    }
  },
  "additionalProperties": false
}

base_contract

What is this Base address? Wallet (EOA) or smart contract, code size, proxy implementation address, and whether it is an ERC-20, ERC-721 or ERC-1155 token. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
address*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_erc20_balance

ERC-20 token balance of a wallet on Base (USDC or any other token), formatted with symbol and decimals. Input: wallet address and token address. Price: $0.002 USDC on Base via x402.

read-only

Argument	Type	Description
token*	string
address*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "address",
    "token"
  ],
  "properties": {
    "token": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_estimate_gas

Estimate the gas and the cost in ETH and USD of a Base transaction before signing it. Input: to, and optionally from, data and value. Price: $0.002 USDC on Base via x402.

read-only

Argument	Type	Description
to*	string
data	string
from*	string
value	string \| integer

Input schema (JSON)

{
  "type": "object",
  "required": [
    "to",
    "from"
  ],
  "properties": {
    "to": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "data": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]*$",
      "maxLength": 20000
    },
    "from": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "value": {
      "type": [
        "string",
        "integer"
      ],
      "pattern": "^[0-9]+$"
    }
  },
  "additionalProperties": false
}

base_gas

Current gas price on Base in gwei: base fee, suggested priority fee and max fee per gas, read live from the chain. Price: $0.01 USDC on Base via x402.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {},
  "additionalProperties": false
}

base_nft_metadata

NFT metadata on Base for an ERC-721 or ERC-1155 token: token URI plus the name, image and attributes it points to, resolved from IPFS, Arweave, data URIs or https. Price: $0.005 USDC on Base via x402.

read-only

Argument	Type	Description
tokenId*	string \| integer
contract*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "contract",
    "tokenId"
  ],
  "properties": {
    "tokenId": {
      "type": [
        "string",
        "integer"
      ],
      "pattern": "^[0-9]+$"
    },
    "contract": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_nft_owner

Who owns this NFT? Current owner of an ERC-721 token on Base by contract address and token id (ownerOf). Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
tokenId*	string \| integer
contract*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "contract",
    "tokenId"
  ],
  "properties": {
    "tokenId": {
      "type": [
        "string",
        "integer"
      ],
      "pattern": "^[0-9]+$"
    },
    "contract": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_portfolio

Wallet portfolio value on Base: ETH plus major tokens (or up to 20 tokens you choose), each holding priced in USD from live DEX prices, with the total. Input: wallet address. Price: $0.004 USDC on Base via x402.

read-only

Argument	Type	Description
tokens	array
address*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "tokens": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^0x[0-9a-fA-F]{40}$"
      },
      "maxItems": 20
    },
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_price

Token price on Base by contract address: live USD price and pool liquidity from Uniswap v2/v3 and Aerodrome. Works for any token with a DEX pool, including newly launched ones. Price: $0.003 USDC on Base via x402.

read-only

Argument	Type	Description
token*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "token"
  ],
  "properties": {
    "token": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_receipt

Base transaction receipt by hash: success or reverted, gas used, and the decoded ERC-20 Transfer events showing which tokens moved between which addresses. Price: $0.003 USDC on Base via x402.

read-only

Argument	Type	Description
hash*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "hash"
  ],
  "properties": {
    "hash": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{64}$"
    }
  },
  "additionalProperties": false
}

base_token

Token info for any ERC-20 on Base by contract address: name, symbol, decimals and total supply. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
token*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "token"
  ],
  "properties": {
    "token": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_token_risk

Is this Base token safe to buy, or a honeypot, rug pull or scam? Simulates a real buy and sell to prove the token can be sold and to measure buy and sell tax, then checks mint, blacklist, pause and fee powers, proxy upgradeability, owner and DEX liquidity. Input: token address. Returns a verdict (low, caution, high, avoid), a 0-100 risk score and the evidence. Check before an agent trades a token. Try it free first: 3 calls a day at POST /v1/base/token/risk/trial. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
token*	string	Base ERC-20 contract address
simulate	boolean	Run the buy/sell simulation (default true)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "token"
  ],
  "properties": {
    "token": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$",
      "description": "Base ERC-20 contract address"
    },
    "simulate": {
      "type": "boolean",
      "description": "Run the buy/sell simulation (default true)"
    }
  },
  "additionalProperties": false
}

base_token_risk_trial

FREE trial, no wallet or payment needed: is this Base token safe to buy, or a honeypot, rug pull or scam? The same verdict as base_token_risk (real buy and sell simulation, tax, mint, blacklist and pause powers, owner, liquidity), limited to 3 calls per caller per day. Input: token address. After the trial, use base_token_risk ($0.01 via x402)

read-only

Argument	Type	Description
token*	string	Base ERC-20 contract address
simulate	boolean	Run the buy/sell simulation (default true)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "token"
  ],
  "properties": {
    "token": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$",
      "description": "Base ERC-20 contract address"
    },
    "simulate": {
      "type": "boolean",
      "description": "Run the buy/sell simulation (default true)"
    }
  },
  "additionalProperties": false
}

base_transfers

Recent ERC-20 transfers on Base for a token, a wallet, or both: who sent how much to whom, across up to 2,000 recent blocks (100 results max). Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
token	string
blocks	integer
address	string

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "token": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    },
    "blocks": {
      "type": "integer",
      "maximum": 2000,
      "minimum": 1
    },
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  },
  "additionalProperties": false
}

base_tx

Base transaction lookup by hash: sender, recipient, value, function selector, block, and whether it succeeded or reverted. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
hash*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "hash"
  ],
  "properties": {
    "hash": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{64}$"
    }
  },
  "additionalProperties": false
}

score_opportunity

How strong is this startup or deal on paper? Scores an opportunity across seven pillars weighted by stage (pre-seed to series B+), applies red flags, and returns a 0 to 10 score with pass, investigate or fail. Deterministic: the same input always gives the same score. A screening aid, not investment advice. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
stage	any
pillars	array
redFlagIndices	array
opportunityName*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "opportunityName"
  ],
  "properties": {
    "stage": {
      "enum": [
        "pre-seed",
        "seed",
        "series-a",
        "series-b-plus"
      ]
    },
    "pillars": {
      "type": "array",
      "maxItems": 7
    },
    "redFlagIndices": {
      "type": "array",
      "items": {
        "type": "integer",
        "maximum": 15,
        "minimum": 1
      }
    },
    "opportunityName": {
      "type": "string",
      "maxLength": 200,
      "minLength": 1
    }
  },
  "additionalProperties": false
}

triage_invoice

Which overdue invoice should be chased, and what is the next step? Send an invoice number, client reference, amount and days overdue; get its aging category and the next action to take. Deterministic rules, no AI: the same input always gives the same answer. Price: $0.01 USDC on Base via x402.

read-only

Argument	Type	Description
amount*	number
daysOverdue*	integer
invoiceNumber*	string
clientReference*	string

Input schema (JSON)

{
  "type": "object",
  "required": [
    "invoiceNumber",
    "clientReference",
    "amount",
    "daysOverdue"
  ],
  "properties": {
    "amount": {
      "type": "number",
      "maximum": 100000000,
      "minimum": 0
    },
    "daysOverdue": {
      "type": "integer",
      "maximum": 3650,
      "minimum": -365
    },
    "invoiceNumber": {
      "type": "string",
      "maxLength": 100,
      "minLength": 1
    },
    "clientReference": {
      "type": "string",
      "maxLength": 100,
      "minLength": 1
    }
  },
  "additionalProperties": false
}