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XGR MCP Gateway

by io.github.xgr-network
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Get XRC-729 authority

get_xrc729_authority
Read-onlyIdempotent

Read-only authority lookup for one XRC-729 orchestration contract. Reads owner()/getOwner() and getExecutorList(), detects zero-address executor wildcard, and never signs, submits, executes, or creates a handoff.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "orchestration": "<orchestration>"
    },
    "name": "get_xrc729_authority"
  }
}

Input Schema

NameRequiredDescriptionDefault
orchestrationYesAddress or identifier of the deployed XDaLa orchestration contract.

Output Schema

NameRequiredDescriptionDefault
dataYesStructured result data returned by the XGR MCP gateway.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.5/5.0
Behavior5/5

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

Annotations already provide readOnlyHint, openWorldHint, idempotentHint, destructiveHint. The description adds behavioral details beyond annotations, such as what specific functions are read and that it detects wildcards, reinforcing its safe, read-only nature without contradiction.

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?

One sentence that is front-loaded with the key purpose, no wasted words, and effectively communicates the core functionality.

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

Completeness5/5

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

Given the simple nature of the tool (one parameter, read-only), the description is complete: it specifies what is read, what is not done, and output schema exists. No gaps for agent selection.

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

Parameters3/5

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

Schema coverage is 100% with a single parameter 'orchestration' already well-described in the input schema. The description does not add additional parameter meaning beyond affirming the contract address, so baseline of 3 is appropriate.

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

Purpose5/5

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

Description clearly states it's a read-only authority lookup for one XRC-729 contract, specifying the exact functions read (owner/getOwner, getExecutorList) and detecting zero-address executor wildcard. It distinguishes from siblings by being read-only and focused on authority.

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

Usage Guidelines4/5

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

Explicitly states it never signs, submits, executes, or creates a handoff, guiding agents away from mutation tasks. However, it does not explicitly mention alternatives or when to use this over similar get_xrc tools, though the context is clear.

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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