trust-spoken-challenge

Generate a spoken verification token for in-person identity confirmation.

SERVERNostr Bray SOURCEnostr-bray

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/dev-forgesworn-bray/trust-spoken-challenge.md

WHAT IT DOES

What trust-spoken-challenge does on Nostr Bray

AI agents call trust-spoken-challenge 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.

RISK

Why trust-spoken-challenge is rated Low

The tool generates a verification token, which is a read/compute operation with no apparent side effects—it produces a token string for use in an identity confirmation workflow. No data is written, deleted, or executed. Severity is low as misuse would at most produce an unusable or misleading token.

From the tool's definition Generate a spoken verification token for in-person identity confirmation

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs trust-spoken-challenge 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-spoken-challenge, this is the rule to start with:

trust-spoken-challenge Allowed

trust-spoken-challenge 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": {
    "trust-spoken-challenge": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Nostr Bray, apply this rule, and every trust-spoken-challenge call is checked against it from then on.

FAQ

Questions about trust-spoken-challenge

What does the trust-spoken-challenge tool do? +

Generate a spoken verification token for in-person identity confirmation. It is categorised as a Read tool in the Nostr Bray MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on trust-spoken-challenge? +

Register the Nostr Bray MCP server in PolicyLayer and add a rule for trust-spoken-challenge: 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.

What risk level is trust-spoken-challenge? +

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

Can I rate-limit trust-spoken-challenge? +

Yes. Add a rate_limit block to the trust-spoken-challenge 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 trust-spoken-challenge completely? +

Set action: deny in the PolicyLayer policy for trust-spoken-challenge. 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 trust-spoken-challenge? +

trust-spoken-challenge 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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