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Robyn — Gasless Cross-Chain for AI Agents

by io.github.ox31461
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NULL Names - the secondary market (signed listings + how to buy/sell/transfer)

null_names_market

Live listings of premium handles for sale, plus the full deal protocol: agree peer-to-peer in a sealed chat, pay stealth or via NULL Escrow 2-of-3, then finalize with the dual-signed (secp + ML-DSA) witness-chained transfer and a 2% ($1 min) fee receipt. Listing your own handle: sign null-name-list/v1|name|priceUsd|ts with your identity spend key and POST /api/nullnames/list.

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": "null_names_market"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A3.6/5.0
Behavior3/5

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

No annotations are provided, so the description carries the full burden. It transparently discloses the protocol, fee schedule, signature format, and POST endpoint, but it does not explicitly state whether invoking the tool is read-only and informational or whether it performs side effects. This is a meaningful gap for a no-annotation tool.

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?

The description is two dense, front-loaded sentences: it leads with 'Live listings' and 'full deal protocol,' then efficiently enumerates negotiation, payment, transfer, fees, and listing steps. Every clause adds useful information, though the density makes it slightly heavy to parse.

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?

For a 0-parameter informational tool with no output schema, this description is largely complete: it covers market data, deal mechanics, payment options, transfer finalization, fees, and the listing process. The main omission is an explicit statement of the returned data shape or read-only nature, but the protocol specifics make it highly usable.

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 has zero parameters and an empty input schema, so no parameter documentation is needed. The description adds contextual detail about signing strings and endpoints, but that is content rather than parameter semantics; the 0-param baseline of 4 applies.

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?

The description clearly identifies the resource (NULL Names secondary market) and the scope: live listings, deal protocol, fees, and listing instructions. It is readily distinguished from simpler sibling tools like null_names_quote, though it lacks a crisp action verb like 'Returns' or 'Provides'.

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 intended use cases are strongly implied: browse live listings, understand the buy/sell/transfer process, and learn how to list a handle. However, it never explicitly says when to choose this tool over sibling tools such as null_names_quote, nor does it state when not to use it.

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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