nostr_get_pubkey

Derive the Nostr public key from the active wallet.

SERVERAibtc SOURCEaibtcdev/aibtc-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/io-github-aibtcdev-mcp-server/nostr-get-pubkey.md

WHAT IT DOES

What nostr_get_pubkey does on Aibtc

AI agents call nostr_get_pubkey to retrieve information from Aibtc without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why nostr_get_pubkey is rated Low

This tool derives and returns a public key from an existing wallet—a non-destructive information retrieval operation. Public keys are intentionally public and their derivation has no side effects on wallet state or external systems.

From the tool's definition Tool description: 'Derive the Nostr public key from the active wallet.' The verb 'derive' and the object 'public key' indicate a read-only query operation that retrieves cryptographic material without modifying state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs nostr_get_pubkey safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Aibtc, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For nostr_get_pubkey, this is the rule to start with:

nostr_get_pubkey Allowed

nostr_get_pubkey 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": {
    "nostr_get_pubkey": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Aibtc, apply this rule, and every nostr_get_pubkey call is checked against it from then on.

FAQ

Questions about nostr_get_pubkey

What does the nostr_get_pubkey tool do? +

Derive the Nostr public key from the active wallet. It is categorised as a Read tool in the Aibtc MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on nostr_get_pubkey? +

Register the Aibtc MCP server in PolicyLayer and add a rule for nostr_get_pubkey: 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 Aibtc. Nothing to install.

What risk level is nostr_get_pubkey? +

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

Can I rate-limit nostr_get_pubkey? +

Yes. Add a rate_limit block to the nostr_get_pubkey 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 nostr_get_pubkey completely? +

Set action: deny in the PolicyLayer policy for nostr_get_pubkey. 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 nostr_get_pubkey? +

nostr_get_pubkey is provided by the Aibtc MCP server (aibtcdev/aibtc-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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