marketplace-credentials-clear
Clear all stored L402 credentials from memory. Use when switching identity or cleaning up.
This record as markdown: /tools/dev-forgesworn-bray/marketplace-credentials-clear.md
What marketplace-credentials-clear does on Nostr Bray
AI agents call marketplace-credentials-clear to permanently remove resources in Nostr Bray, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why marketplace-credentials-clear is rated Critical
Clearing all stored L402 credentials is a destructive action that cannot be undone and removes authentication state. While the immediate blast radius is localized to the agent's credential store, loss of all L402 credentials could prevent legitimate future transactions and cause operational disruption.
From the tool's definition Tool name includes 'clear' and description states 'Clear all stored L402 credentials from memory'. This is an irreversible deletion operation that removes authentication credentials.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs marketplace-credentials-clear safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nostr Bray, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For marketplace-credentials-clear, this is the rule to start with:
marketplace-credentials-clear is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Nostr Bray, apply this rule, and every marketplace-credentials-clear call is checked against it from then on.
Questions about marketplace-credentials-clear
Clear all stored L402 credentials from memory. Use when switching identity or cleaning up. It is categorised as a Destructive tool in the Nostr Bray MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Nostr Bray MCP server in PolicyLayer and add a rule for marketplace-credentials-clear: 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 Nostr Bray. Nothing to install.
marketplace-credentials-clear is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the marketplace-credentials-clear 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 marketplace-credentials-clear. 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.
marketplace-credentials-clear is provided by the Nostr Bray MCP server (nostr-bray). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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