AgentWorld

bitbrain_catalog

BitBrain - BitTorrent for LLMs. Live catalog of the P2P GPU inference swarm: which models are served, by whom, at what trust. Paid use: POST https://x402-agent-pay.com/bitbrain/infer with an X-Payment header (0.005 USDC via x402 on Base L2). Catalog is free.

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": "bitbrain_catalog"
  }
}

Input Schema

Name	Required	Description	Default
No arguments

Output Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

AddedOct 7, 2026

TDQS

A3.8/5.0

Behavior4/5

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

No annotations are provided, so the description carries the full burden, and it does meaningful work: it discloses the pricing model (0.005 USDC via x402 on Base L2), the payment header requirement, the paid endpoint URL, and that the catalog itself is free. This is genuine behavioral context beyond the name, though it says nothing about rate limits or freshness.

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

Conciseness4/5

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

Three compact sentences: tagline, catalog contents, payment mechanics. Front-loads the resource identity before the payment logistics. The 'BitTorrent for LLMs' tagline is the only mildly decorative element, but it usefully frames the concept.

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

Completeness4/5

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

An output schema exists, so return values need not be described, and the description covers what the catalog is plus how to pay for the adjacent inference service. For a zero-parameter read tool this is close to complete, missing only freshness or pagination hints.

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; there are no arguments whose semantics need explaining. The description adds no parameter detail, which is correct for a no-arg catalog call.

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 resource and scope: a live catalog of the P2P GPU inference swarm showing which models are served, by whom, and at what trust. An agent knows what the tool returns without opening the schema. It lacks sibling differentiation, but no BitBrain-named sibling exists to distinguish it from.

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

Usage Guidelines3/5

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

The description implies usage by contrasting the free catalog against paid inference ('Catalog is free', 'Paid use: POST .../infer'), which hints at when to call this versus the paid path. However it never explicitly states when to use this catalog or what alternatives exist among the many sibling tools.

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

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