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TestGraph

by io.github.BBCBasic
OverviewDiscussionsAdmin

Get TestGraph server and deployment version

get_server_info
Read-onlyIdempotent

Return the exact TestGraph MCP server version and live deployment identity for diagnostics. Use this when checking a stale connection, endpoint mismatch or deployment issue; ordinary writes do not require a preceding version probe. Compare build_sha and deployment_id with the public /version endpoint when troubleshooting.

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": "get_server_info"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

A4.7/5.0
Behavior4/5

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

Annotations already establish read-only, idempotent, non-destructive behavior, lowering the bar. The description adds useful context by specifying that the returned version is 'exact' and 'live', and by naming build_sha and deployment_id as the fields to compare against the public /version endpoint. There is no contradiction with annotations.

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?

Three sentences deliver the purpose, usage conditions, and troubleshooting guidance without any filler. The core function is front-loaded, and every sentence contributes meaningful information.

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?

Despite having no output schema, the description names the key returned fields and explains how to use them. Given the tool's zero-parameter simplicity and the strong annotations, an agent has everything needed to decide whether and how to call it.

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 schema coverage is 100%, so there are no parameter semantics to clarify. The description instead adds value by indicating what the response will contain, which is more relevant for a parameterless tool.

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?

The description states a specific verb ('Return') and a specific resource ('exact TestGraph MCP server version and live deployment identity'), clearly framing the tool as a diagnostics operation. This is distinct from the domain-focused sibling tools and leaves no ambiguity about what the tool does.

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

Usage Guidelines5/5

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

The description explicitly names when to use the tool: checking a stale connection, endpoint mismatch, or deployment issue. It also provides an exclusion ('ordinary writes do not require a preceding version probe'), which gives an agent clear decision guidance.

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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