Signed x402 attestations and bounty-packet preflight checks, paid per call in USDC on Base.
Score is being calculated.
Check a token approval before signing it: reads the ERC-20 allowance (owner -> spender) live on Base and returns the raw allowance, an unlimited-approval flag and a risk verdict. Read-only, no keys, no transaction.
| Name | Required | Description | Default |
|---|---|---|---|
| owner | Yes | ERC-20 token owner address (0x + 40 hex). | |
| token | No | ERC-20 token address. Defaults to USDC on Base. | |
| spender | Yes | Spender address whose allowance is checked. |
Base wallet balances USDC ERC20 portfolio snapshot: live USDC / WETH / DAI balances, ETH balance, nonce and tx count for any Base address. Read-only.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Base address to read (0x + 40 hex). |
DNS MX TXT A records domain lookup with an email-deliverability verdict: A records, MX hosts, SPF (v=spf1) and DMARC policy, CAA, plus a signed ok/warn/fail verdict.
| Name | Required | Description | Default |
|---|---|---|---|
| domain | Yes | Domain to check (e.g. example.com). |
Check an x402 endpoint before paying it: fetch the unpaid 402 challenge of any x402 URL and verify it is payable and safe - HTTP 402, a parseable x402 v1/v2 challenge, network, asset, payTo, amount, whether the advertised resource URL is the URL you actually called, manifest consistency (/.well-known/x402.json), header-size overflow risk for Node clients, and a signed pay / caution / avoid verdict. Read-only: we never send a payment.
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | x402 URL to check before paying it. |
Signed x402-v2 attestation of a subject/delivery packet: artifact URLs live, sha256 digests match the bound refs, report coherent with evidence.
| Name | Required | Description | Default |
|---|---|---|---|
| subject | Yes |
Preflight-verify a bounty delivery packet before claim/payout (reachability + digest binding + report/evidence coherence) -> signed verdict.
| Name | Required | Description | Default |
|---|---|---|---|
| packet | Yes |
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
approval-checkbase-wallet-lensdns-preflightendpoint-checkx402_attestx402_preflightPaid agent services settled in USDC on Base via x402. Signed, verifiable, and free to verify.
Pay-per-call onchain reads (Base, Ethereum, Gnosis), token verdicts and LLM chat over x402 USDC
Pay-per-call onchain reads (Base, Ethereum, Gnosis), token verdicts and LLM chat over x402 USDC
Signed attestations for agents, $0.01/call via x402: URL witness, AI permission, tx finality, JWKS.
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