gpt55_evm_transaction_risk_decoder
Decode common EVM calldata before signing, including ERC20 approve/transfer/transferFrom, ERC721/ERC1155 setApprovalForAll, safeTransferFrom, increase/decreaseAllowance, permit, and multicall hints. Returns risk flags, decoded addresses, amount words, and a human confirmation checklist without us...
This record as markdown: /tools/xyz-558686-gpt55-token-gateway/gpt55-evm-transaction-risk-decoder.md
What gpt55_evm_transaction_risk_decoder does on GPT 5 5 x402 Low Cost Agent Tools
AI agents call gpt55_evm_transaction_risk_decoder to retrieve information from GPT 5 5 x402 Low Cost Agent Tools without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
to | string | — | |
data | string | Yes | |
chain | string | — | |
value | object | — | |
target | string | — | |
calldata | string | — | |
known_addresses | object | — |
Parameters from the server's own tool schema.
Why gpt55_evm_transaction_risk_decoder is rated Low
Decodes and analyzes transaction data for risk flags without executing or modifying anything.
From the tool's definition Decode common EVM calldata before signing...without sending a transaction
Attacks that exploit this kind of access
The rule that runs gpt55_evm_transaction_risk_decoder safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GPT 5 5 x402 Low Cost Agent Tools, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gpt55_evm_transaction_risk_decoder, this is the rule to start with:
gpt55_evm_transaction_risk_decoder is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect GPT 5 5 x402 Low Cost Agent Tools, apply this rule, and every gpt55_evm_transaction_risk_decoder call is checked against it from then on.
Questions about gpt55_evm_transaction_risk_decoder
Decode common EVM calldata before signing, including ERC20 approve/transfer/transferFrom, ERC721/ERC1155 setApprovalForAll, safeTransferFrom, increase/decreaseAllowance, permit, and multicall hints. Returns risk flags, decoded addresses, amount words, and a human confirmation checklist without using a private key, sending a transaction, or calling an external API. Pay $0.01 per request with x402 exact USDC on Base or Solana when advertised. Canonical live prices: https://gpt55.558686.xyz/x402/live-prices.json. It is categorised as a Read tool in the GPT 5 5 x402 Low Cost Agent Tools MCP Server, which means it retrieves data without modifying state.
gpt55_evm_transaction_risk_decoder accepts 7 parameters: to, data, chain, value, target, calldata, known_addresses. Required: data. The full parameter table on this page comes from the server's own tool schema.
Register the GPT 5 5 x402 Low Cost Agent Tools MCP server in PolicyLayer and add a rule for gpt55_evm_transaction_risk_decoder: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches GPT 5 5 x402 Low Cost Agent Tools. Nothing to install.
gpt55_evm_transaction_risk_decoder is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the gpt55_evm_transaction_risk_decoder rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for gpt55_evm_transaction_risk_decoder. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
gpt55_evm_transaction_risk_decoder is provided by the GPT 5 5 x402 Low Cost Agent Tools MCP server (https://gpt55.558686.xyz/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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