{"protocol":"mcp","protocolVersion":"2025-06-18","transport":"http-jsonrpc","endpoint":"https://kette.halowerk.com/mcp","server":{"name":"kettenwerk","title":"HALOWERK kettenwerk","version":"1.0.0"},"methods":["initialize","ping","tools/list","tools/call"],"tools":[{"name":"token_resolve","title":"Resolves a token symbol, contract address or price-directory id into every matching contract across Ethereum, Base, Arbitrum, Optimism, Polygon and BNB Smart Chain, marking which one is the issuer-operated version and which are bridged or look-alike contracts.","price_usdc":0.002},{"name":"contract_verification","title":"Tells whether a contract's source is publicly verified, with compiler version, optimizer settings, license, deployer, creation block — and for a proxy, whether the implementation behind it is verified, which is the question that actually matters.","price_usdc":0.004},{"name":"token_authorities","title":"Finds who can still change a token: owner, whether ownership was really renounced, mint, pause, freeze, blacklist, upgrade and fee authorities — each backed by the function name, its selector and a simulated call that shows whether access is actually restricted.","price_usdc":0.005},{"name":"proxy_upgrade_risk","title":"For an upgradeable contract: who is allowed to swap the code behind the address, whether a timelock stands in front of it and how long its delay is, plus the full upgrade history with transaction references.","price_usdc":0.006},{"name":"tx_decode","title":"Decodes EVM call data into a readable method name, typed parameters, approvals and transfers, plus a one-sentence summary of what the transaction does — from a transaction hash, a raw signed transaction or a plain {to, data, value}.","price_usdc":0.003},{"name":"tx_simulate","title":"Simulates one EVM transaction against a forked chain state and returns exactly what it would do: success or revert reason, gas used, every balance change measured before and after, approvals granted or revoked, the call tree and warnings — without ever signing or broadcasting anything.","price_usdc":0.012},{"name":"token_risk_report","title":"One combined report on an ERC-20 token: identity and look-alikes, source verification, who can still mint, pause, blacklist or upgrade it, and the upgrade history — every finding tagged with the endpoint it came from, priced below the sum of the individual calls.","price_usdc":0.014},{"name":"tx_status","title":"Status of one EVM transaction: confirmed, failed, pending, replaced or unknown, with confirmations, the finality rule of that chain, the fee actually paid and the revert reason when it failed.","price_usdc":0.002},{"name":"gas_estimate","title":"Current gas cost on one EVM chain: base fee, priority fee for slow, normal and fast, the suggested max fee, the expected wait in seconds measured from real block times, and the total cost in USD for a typical transaction.","price_usdc":0.002},{"name":"chain_health","title":"Health of one or more EVM chains measured across several independent public RPC endpoints at once: block height per endpoint, agreement, latency, block age, a real block-hash comparison at fixed depth and a gas spike flag.","price_usdc":0.003}],"payment":{"protocol":"x402","network":"eip155:8453","asset":"USDC","note":"tools/list braucht keine Zahlung. tools/call rechnet den Werkzeugpreis über x402 ab."}}