decode_address
Decode an Algorand address to a public key
This record as markdown: /tools/goplausible-algorand-mcp/decode-address.md
What decode_address does on Algorand MCP
AI agents call decode_address to retrieve information from Algorand MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why decode_address is rated Low
Decoding an address to its public key is a cryptographic parsing operation that has no side effects. It retrieves information from data the user already possesses (the address itself) and converts it to another representation. This is analogous to a lookup or query operation. The public key itself is not sensitive information—it is by definition public on the blockchain.
From the tool's definition The tool 'decode_address' with description 'Decode an Algorand address to a public key' performs a one-way transformation of publicly available data (an address) to extract its underlying public key component.
Attacks that exploit this kind of access
The rule that runs decode_address safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Algorand MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For decode_address, this is the rule to start with:
decode_address 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 Algorand MCP, apply this rule, and every decode_address call is checked against it from then on.
Questions about decode_address
Decode an Algorand address to a public key. It is categorised as a Read tool in the Algorand MCP MCP Server, which means it retrieves data without modifying state.
Register the Algorand MCP server in PolicyLayer and add a rule for decode_address: 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 Algorand MCP. Nothing to install.
decode_address 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 decode_address 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 decode_address. 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.
decode_address is provided by the Algorand MCP server (goplausible/algorand-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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