Sausage Onchain
Server Details
EVM gas prices, Chainlink price feeds, token-safety screening, DEX swap quotes, ENS resolution, OFAC address screening and NFT data. Pay-per-call in USDC on Base via x402 — no signup, no API keys.
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP
- URL
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Tool Definition Quality
Score is being calculated. Check back soon.
Available Tools
12 toolsaddress_screenScreen a crypto address against OFACInspect
Screen a crypto address against the full live OFAC SDN list, segmented by chain. Returns a verdict with the matching SDN entries as evidence — never a silent all-clear. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| chain | No | Which chain the address belongs to. | base |
| address | Yes | The address to screen, in that chain's native format. | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
chain_infoEVM chain registryInspect
Canonical record for an EVM chain — name, native currency, explorers, liveness-scored public RPCs. view='rpcs' returns only the ranked, eth_chainId-probed RPC list; view='wallet_config' returns a ready-to-submit EIP-3085 wallet_addEthereumChain object; view='search' finds chains by name or symbol; view='l2s' lists a parent chain's L2s. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| q | No | Name/symbol fragment (view='search'). | |
| view | No | Which shape of chain data to return. | record |
| parent | No | Parent chain id for view='l2s'. | 1 |
| chain_id | No | Numeric chain id (required for record/rpcs/wallet_config). | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
ens_resolveResolve ENS names and addressesInspect
Resolve an ENS name to an address, or an address to its forward-verified primary name — direction is detected from the input. view='profile' returns the full identity card (multichain addresses, text records, contenthash, avatar); view='avatar' dereferences the avatar to an image URL. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| keys | No | Comma-separated ENS text-record keys (view='text'). | |
| view | No | resolve = name↔address; profile/avatar/text need a name. | resolve |
| query | Yes | An ENS name (ends in .eth) or a 0x address. | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
find_dataFind the right data sourceInspect
Describe the data you need in plain language (e.g. 'Apple risk factors 2023', 'is this token a honeypot', 'is this email deliverable', 'read this page'). Searches this server's datasets first, then the whole Professor Sausages catalog, and returns matching endpoints with method, URL, price, and how to call them. Free.
| Name | Required | Description | Default |
|---|---|---|---|
| task | Yes | What you're trying to find or do, in your own words |
gas_compareCheapest chain right nowInspect
Rank every supported chain by all-in USD transaction cost — the 'where should I send this' routing decision, with the OP-stack L1 data fee included. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| gas | No | Optional gas limit override. | |
| speed | No | Fee tier to compare at. | standard |
| tx_type | No | Transaction shape to price on every chain. | transfer |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
gas_priceCurrent gas market for a chainInspect
Bid-ready EIP-1559 fees (slow/standard/fast maxFeePerGas + maxPriorityFeePerGas, tx-ready wei) for one chain, read live from public RPCs. Pass tx_type to get the USD cost of that specific transaction instead, including the OP-stack L1 data fee naive estimators miss. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| gas | No | Optional gas limit override when tx_type is set. | |
| chain | No | Which chain's gas market to read. | base |
| speed | No | Which fee tier to price the estimate at. | standard |
| tx_type | No | Optional: cost a specific transaction shape rather than returning raw fees. | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
nft_scam_checkNFT scam / copymint checkInspect
Deterministic scam checklist with a verdict and evidence (spam flags, copymint collisions, holder concentration). Pass a collection contract to check the collection, or a wallet to check that wallet's whole scam exposure holding by holding. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| chain | No | Which chain to read (Ethereum mainnet today). | eth |
| wallet | No | Wallet address — checks scam exposure across its holdings instead. | |
| contract | No | Collection contract address to check. | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
pricingPrice listInspect
Every endpoint this server fronts, with its exact per-call USD price (x402, USDC on Base) and a one-line summary, read live from the route table. Free.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
request_dataRequest missing dataInspect
The suggestion box: ask for data we don't have (a pre-2015 filing, an uncovered ticker, an unsupported chain, a whole dataset). Requests feed the nightly ingestion queue — filings are usually available within ~24h. Include contact if you want to hear back. Free.
| Name | Required | Description | Default |
|---|---|---|---|
| contact | No | Optional: URL/email/handle for follow-up | |
| use_case | No | Optional: what you're building | |
| description | Yes | What data you need, in your own words |
spot_priceOracle spot priceInspect
Live Chainlink on-chain spot price for an asset (latestRoundData, with round metadata). Pass to as well to cross-convert two assets via their USD feeds, with both legs reported. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| to | No | Optional second asset — converts `asset` into it instead of quoting USD. | |
| asset | Yes | Asset symbol with a Chainlink feed (call /prices/feeds free to list them). | |
| chain | No | Which chain's oracle to read. | base |
| amount | No | Amount to convert (with `to`). | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
swap_quoteDEX swap quoteInspect
Indicative UniswapV2 swap quote from live on-chain reserves: amount out, execution price, and price impact — what the trade will actually cost before you sign it. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| chain | No | Which chain to quote on. | base |
| amount | No | Amount of token_in to sell. | |
| token_in | Yes | Address of the token being sold. | |
| token_out | Yes | Address of the token being bought. | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
token_safetyToken rug-pull / honeypot checkInspect
Heuristic token safety check: follows the proxy and scans the bytecode that actually runs, plus ownership and transfer restrictions. Returns a verdict with per-rule evidence. Paid: call without x_payment to receive this call's exact terms (amount, asset, network), sign them, then call again with x_payment. The free pricing tool lists every price at once.
| Name | Required | Description | Default |
|---|---|---|---|
| chain | No | Which chain the token contract is on. | base |
| address | Yes | Token contract address. | |
| x_payment | No | Optional signed x402 payment payload (base64, what the X-PAYMENT header carries). Omit to receive the exact payment terms; sign them (e.g. @x402/fetch) and call again with this argument to settle and get the data. |
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