get_contract_code

SERVERTanod SOURCEhttps://tanod.dev/mcp

Low RISK CLASS

Category Read

Parameters 22 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/dev-tanod-tanod/get-contract-code.md

WHAT IT DOES

What get_contract_code does on Tanod

AI agents call get_contract_code to retrieve information from Tanod 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
`chain`	string	Yes	ethereum, base or robinhood (Robinhood Chain, chain id 4663).
`address`	string	Yes	Account or contract address (0x + 40 hex).

Parameters from the server's own tool schema.

RISK

Why get_contract_code is rated Low

Even though get_contract_code only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_contract_code safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Tanod, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_contract_code, this is the rule to start with:

get_contract_code Allowed

get_contract_code is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_contract_code": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Tanod, apply this rule, and every get_contract_code call is checked against it from then on.

FAQ

Questions about get_contract_code

What does the get_contract_code tool do? +

chainpeek: Get the deployed bytecode size and hash of an address, with EIP-1167 and EIP-7702 detection. For other proxy kinds use detect_proxy. Returns what is deployed at an address. Only EIP-1167 clones and EIP-7702 delegations are detected. A delegated wallet is not a contract. Ethereum, Base and Robinhood only. Read-only. A bad address is a 422 (not charged). Typically under 1 s. Price: USD 0.001. Free: 10 chain reads per IP per UTC day. Docs: https://tanod.dev/learn/ethereum-rpc-reads-api.html. It is categorised as a Read tool in the Tanod MCP Server, which means it retrieves data without modifying state.

What parameters does get_contract_code accept? +

get_contract_code accepts 2 parameters: chain, address. Required: chain, address. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on get_contract_code? +

Register the Tanod MCP server in PolicyLayer and add a rule for get_contract_code: 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 Tanod. Nothing to install.

What risk level is get_contract_code? +

get_contract_code is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_contract_code? +

Yes. Add a rate_limit block to the get_contract_code 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.

How do I block get_contract_code completely? +

Set action: deny in the PolicyLayer policy for get_contract_code. 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.

What MCP server provides get_contract_code? +

get_contract_code is provided by the Tanod MCP server (https://tanod.dev/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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