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io.github.daedalusdevelopmentgroup/ddg-agent-services-mcp

io.github.daedalusdevelopmentgroup/ddg-agent-services-mcp

Official
by daedalusdevelopmentgroup
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

ddg_list_services

Retrieve a list of DDG's live and manual services from public pricing and catalog surfaces for agent integration.

Instructions

List DDG live/manual services from the public pricing and catalog surfaces.

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": "ddg_list_services"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.2/5.0
Behavior2/5

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

No annotations exist, so the description must disclose behavioral traits. It only states the tool lists from 'public surfaces,' implying no side effects, but does not mention authentication, rate limits, or whether data is live or cached.

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?

Single sentence with the action verb 'List' front-loaded. Entirely concise with no wasted words.

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

Completeness3/5

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

For a parameterless tool with an output schema, the description is adequate but leaves gaps: it does not define 'live/manual services,' clarify the difference between 'pricing' and 'catalog' surfaces, or explain how this relates to sibling tools.

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?

There are zero parameters, and schema description coverage is 100%. The description adds meaning by explaining what the tool lists, compensating for the lack of parameters.

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 states the tool lists 'DDG live/manual services' from 'public pricing and catalog surfaces,' specifying the verb 'List' and the resource 'services.' It is distinct from sibling list tools like ddg_list_models, but no explicit differentiation is provided.

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?

No guidance on when to use this tool versus alternatives such as ddg_list_models or ddg_list_local_runtime_options. The description lacks context about prerequisites, scenarios, or exclusions.

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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