This record as markdown: /tools/dev-forgesworn-bray/trust-ring-verify.md
What trust-ring-verify does on Nostr Bray
AI agents call trust-ring-verify to retrieve information from Nostr Bray without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why trust-ring-verify is rated Low
Verification of cryptographic proofs is a pure read operation—it checks existing data against a proof but does not create, modify, or delete anything. Ring signature verification in a trust-aware system is a query-like operation that computes or validates truth without side effects.
From the tool's definition Tool name 'trust-ring-verify' and description 'Verify a ring signature proof' indicate a verification/validation operation with no side effects.
Attacks that exploit this kind of access
The rule that runs trust-ring-verify 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 trust-ring-verify, this is the rule to start with:
trust-ring-verify 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 Nostr Bray, apply this rule, and every trust-ring-verify call is checked against it from then on.
Questions about trust-ring-verify
Verify a ring signature proof. It is categorised as a Read tool in the Nostr Bray MCP Server, which means it retrieves data without modifying state.
Register the Nostr Bray MCP server in PolicyLayer and add a rule for trust-ring-verify: 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.
trust-ring-verify 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 trust-ring-verify 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 trust-ring-verify. 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.
trust-ring-verify 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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