Get information about the TalkToPlanB account that owns the current API key (user id, username, scopes).
AI agents call whoami to retrieve information from Talktoplanb without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about the authenticated user (user id, username, scopes) without modifying any data, executing operations, or triggering external effects. It is a straightforward read operation that retrieves account details.
From the tool's definition Tool name 'whoami' and description 'Get information about the TalkToPlanB account' indicates retrieval of account metadata with no modification or execution. No side effects are created.
Attacks that exploit this kind of access
Get information about the TalkToPlanB account that owns the current API key (user id, username, scopes). It is categorised as a Read tool in the Talktoplanb MCP Server, which means it retrieves data without modifying state.
Register the Talktoplanb MCP server in PolicyLayer and add a rule for whoami: 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 Talktoplanb. Nothing to install.
whoami 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 whoami 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 whoami. 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.
whoami is provided by the Talktoplanb MCP server (talktoplanb-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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