ZV-2026-1968 · 2026-10-08 · mcp.zeamprism.com
mcp.zeamprism.com: Field attestation was removed from notes_read output; consumers reading it will break.
breaking
What changed
Field attestation was removed from notes_read output; consumers reading it will break. Enum value eth_chainId removed from method on sample_rpc. Enum value eth_blockNumber removed from method on sample_rpc. Enum value eth_gasPrice removed from method on sample_rpc. Enum value net_version removed from method on sample_rpc. Enum value web3_clientVersion removed from method on sample_rpc. Enum value net_peerCount removed from method on sample_rpc. Enum value eth_syncing removed from method on sample_rpc. Enum value txpool_status removed from method on sample_rpc.
What to do
If your agents call mcp.zeamprism.com, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.
The redline
− attestation Field attestation was removed from notes_read output; consumers reading it will break. − method Enum value eth_chainId removed from method on sample_rpc. − method Enum value eth_blockNumber removed from method on sample_rpc. − method Enum value eth_gasPrice removed from method on sample_rpc. − method Enum value net_version removed from method on sample_rpc. − method Enum value web3_clientVersion removed from method on sample_rpc. − method Enum value net_peerCount removed from method on sample_rpc. − method Enum value eth_syncing removed from method on sample_rpc. − method Enum value txpool_status removed from method on sample_rpc. + settlement_index Field settlement_index was added to notes_read output. − Whether a set of wallets on Base is one actor: who funded each with USDC, grouped by share… + Whether a set of wallets on Base is one actor: who funded each with USDC, grouped by share… audit_cluster − Where a wallet's USDC on Base came from: every address that sent it USDC, with amounts, tr… + Where a wallet's USDC on Base came from: every address that sent it USDC, with amounts, tr… audit_funders − Who is really buying from an x402 seller on Base: each payer that opened a payment channel… + Who is really buying from an x402 seller on Base: each payer that opened a payment channel… audit_payers − Buys line time by the millisecond, $0.000001 each; buying again adds time. Returns your ch… + Buys line time by the millisecond, $0.000001 each; buying again adds time. Returns your ch… buy_time − Ethereum and Base JSON-RPC on nodes we run. Base serves eth_, net_, web3_, txpool_, debug_… + Ethereum and Base JSON-RPC on nodes we run. Base serves eth_, net_, web3_, txpool_, debug_… call_rpc