privacy-prove-age

Prove age is within a range without revealing the exact age. Supports formats like

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/privacy-prove-age.md

WHAT IT DOES

What privacy-prove-age does on Nostr Bray

AI agents call privacy-prove-age 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 privacy-prove-age is rated Low

Privacy-preserving age verification is fundamentally a query and proof-generation operation. It reads age information (or a derived proof thereof) to construct a zero-knowledge-style attestation. No data is created, modified, deleted, or executed; no financial transactions occur.

From the tool's definition The tool 'prove-age' operates on the verb 'prove' with 'age' as the object, indicating verification or attestation of an age property.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs privacy-prove-age 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 privacy-prove-age, this is the rule to start with:

privacy-prove-age Allowed

privacy-prove-age 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": {
    "privacy-prove-age": {}
  }
}

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 privacy-prove-age call is checked against it from then on.

FAQ

Questions about privacy-prove-age

What does the privacy-prove-age tool do? +

Prove age is within a range without revealing the exact age. Supports formats like. 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 privacy-prove-age? +

Register the Nostr Bray MCP server in PolicyLayer and add a rule for privacy-prove-age: 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 privacy-prove-age? +

privacy-prove-age is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit privacy-prove-age? +

Yes. Add a rate_limit block to the privacy-prove-age 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 privacy-prove-age completely? +

Set action: deny in the PolicyLayer policy for privacy-prove-age. 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 privacy-prove-age? +

privacy-prove-age 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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