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Demo HTTP MCP Server

Demo HTTP MCP Server

by yeison-liscano
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

Get Called Tools

get_called_tools
Idempotent

Retrieve a list of tools called within the Demo HTTP MCP Server to track activity and monitor interactions, enhancing visibility and debugging capabilities.

Instructions

Get the list of called tools.

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_called_tools"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Output Schema

NameRequiredDescriptionDefault
called_toolsYesThe list of called tools

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.5/5.0
Behavior4/5

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

The description doesn't contradict annotations and adds some context by specifying 'list of called tools' (implying retrieval of historical tool usage data). However, annotations already provide rich behavioral information: readOnlyHint=false (potentially confusing for a 'get' operation), openWorldHint=true, idempotentHint=true, destructiveHint=false. The description doesn't add significant behavioral details beyond what annotations already cover, but it doesn't contradict them either.

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?

The description is a single, clear sentence with zero wasted words. It's front-loaded with the essential information and perfectly sized for a simple tool. Every word earns its place.

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?

Given the tool's simplicity (0 parameters, rich annotations, output schema exists), the description is reasonably complete. The annotations cover safety and behavioral traits, and the output schema will document return values. The description could be more specific about what 'called tools' means in context, but for a simple retrieval tool, it's mostly adequate.

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?

With 0 parameters and 100% schema description coverage, the schema already fully documents the lack of inputs. The description doesn't need to explain parameters, and it correctly doesn't mention any. The baseline for 0 parameters is 4, as the description appropriately focuses on the tool's purpose rather than nonexistent parameters.

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

Purpose3/5

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

The description 'Get the list of called tools' clearly states the verb ('Get') and resource ('list of called tools'), making the purpose understandable. However, it doesn't distinguish this tool from its siblings (get_time, get_weather, tool_that_access_request) - all are 'get' operations but for different data. The description is adequate but lacks sibling differentiation.

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?

The description provides no guidance on when to use this tool versus alternatives. There's no mention of context, prerequisites, or comparison with sibling tools. The agent must infer usage from the tool name alone, which offers minimal 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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