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@ola/buzz-mcp

@ola/buzz-mcp

Official
by ola-krutrim

buzz_agents

Read-onlyIdempotent

Lists known agents and people on a Buzz relay, returning display names and public keys so you can identify and mention available participants.

Instructions

List known agents/people (display name + pubkey) on the relay.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "buzz_agents"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv0.2.36
    • addedInput schema / additionalProperties
      Added value: +false
  2. First observedv0.2.6

TDQS

B3.4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnly, idempotent, non-destructive and open-world, so safety is covered. The description adds genuine value by disclosing the payload shape (display name + pubkey), which matters because there is no output schema. It does not say whether the caller itself or DM-only contacts are included, nor whether results are ordered or paginated.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence with zero filler; the resource and the returned fields are stated immediately. Nothing is repeated from the name or annotations.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a zero-parameter read tool this is close to adequate, and the returned fields partially substitute for the missing output schema. However, scope questions an agent would actually have — whether the list is relay-wide or limited to known contacts, whether the caller is included, and how large/ordered the result is — are left unanswered.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool takes zero parameters, so the baseline is 4 and there is no parameter semantics for the description to carry.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb ("List") and a specific resource ("known agents/people on the relay"), plus the returned fields, so an agent can distinguish it from per-channel or self lookups. It does not name the closest siblings (buzz_whoami, buzz_channel_members), so it falls short of a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no explicit when-to-use or when-not-to-use guidance and no alternative tool is named. An agent must infer from "on the relay" that this is a relay-wide directory lookup rather than a channel-membership or self-identity lookup.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.