Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Added "base_token_risk_trial"; changed the definition of "audit_x402_payability", "base_allowance", "base_balance" and 16 more (22 tools before, 23 now)
x402PayabilityendpointAuditaudit:probescanana paying agent actually pay this API? Probes any x402endpointURL andchecksvalidates its 402challengepayment requirements (CAIP-2 network,canonicalUSDC asset, payTo checksum, amount, EIP-712 domain, resource URL, Bazaar discovery).withReturns pass, warn or fail, a 0-100 score and a fix for every failure. Price: $0.01 ⟨5 unchanged words⟩
HowERC-20 allowance check on Base: how much a spendermayis still approved to move from an owner'sERC-20token balance,(and whether the approvalcheckis unlimited. Run beforeswapsa swap, an approve orrevokes).a revoke. Input: token, owner, spender. Price: $0.002 USDC on Base via x402.
NativeWallet balance on Base: the native ETH balance of anyBaseaddress, read live from the chain. Input: address. Price: $0.001 USDC on Base via x402.
ResolveBasename lookup: resolve aBasenameBase(e.g.name such as jesse.base.eth)to its wallet address, with avatar and profile text records. Input: name. Price: $0.003 USDC on Base via x402.
Base blockheaderlookup by number or tag (latest, safe, finalized):timetimestamp, gas,txand transaction count. Price: $0.001 USDC on Base via x402.
Simulate a read-only contract call on Base (eth_call);without sending a transaction: returns the raw result or the revert reason.NoUsetransactionitsent.to dry-run a call before signing. Price: $0.003 USDC on Base via x402.
What is this Base address? Wallet (EOA) or smart contract, code size, proxy implementation address, andERC-20/721/1155whetherdetection.it is an ERC-20, ERC-721 or ERC-1155 token. Price: $0.003 USDC on Base via x402.
ERC-20 token balance of a wallet on Basewallet(USDC or any other token), formatted with symbol and decimals. Input: wallet address and token address. Price: $0.002 USDC on Base via x402.
Estimate the gas and theUSDcost 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.
Current gas price on Basegasin gwei: base fee, suggested priority fee,and max fee pergas.gas, read live from the chain. Price: $0.001 USDC on Base via x402.
NFT metadata on Base for anERC-721/1155ERC-721 or ERC-1155 token:ontokenBaseURI plus the name, image and attributes it points to, resolved from IPFS, Arweave, data URIs ⟨9 unchanged words⟩
Who owns this NFT? Current owner of an ERC-721 token onBase.Base by contract address and token id (ownerOf). Price: $0.002 USDC on Base via x402.
Walletsnapshotportfolio value on Base: ETH plus major tokens (or up to 20 tokens you choose),witheachUSDholdingvaluespriced in USD from live DEXprices.prices, with the total. Input: wallet address. Price: $0.004 USDC on Base via x402.
LiveToken price on Base by contract address: live USD price and pool liquidityoffromanyUniswapBasev2/v3 and Aerodrome. Works for any tokenfromwithUniswapav2/v3DEXandpool,Aerodromeincludingpools.newly launched ones. Price: $0.003 USDC on Base via x402.
Base transaction receiptwithbystatushash: success or reverted, gas used, and the decoded ERC-20 Transferevents.events showing which tokens moved between which addresses. Price: $0.003 USDC on Base via x402.
ERC-20Tokenmetadatainfo for any ERC-20 on Base by contract address: name, symbol, decimals,and total supply. Price: $0.002 USDC on Base via x402.
Is this Base tokenrisksafeverdicttoforbuy,tradingoragents: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,simulationthen(realchecksbuy/sellmint,eth_call)blacklist,mint/blacklist/pause/feepause
Recent ERC-20Transfer eventstransfers on Base for a token,and/ora wallet,(or both: who sent how much to whom, across up to 2,000 recent blocks,(100 results max). Price: $0.005 USDC on Base via x402.
Base transactiondetailslookup by hash:fromsender,torecipient, value,calldatafunction selector, block,status.and whether it succeeded or reverted. Price: $0.003 USDC on Base via x402.
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)
Unknown → Live
First tool surface recorded: 22 tools (server version 4.0.0)
https://aether-x402.vercel.app/mcp (mcp_streamable_http) — from mcp_registry, with the record
Showing the latest 4 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed