Compass by 402rates

List capabilities for Compass by 402rates

list_capabilities

Read-only

Free capability and MCP tool catalogue for Compass by 402rates. Contains this product and shared service information only.

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": "list_capabilities"
  }
}

Input Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

First observedSep 9, 2026

TDQS

B3.3/5.0

Behavior3/5

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

Annotations already communicate read-only and open-world behavior. The description adds a useful scope limitation ('Contains this product and shared service information only'), but it does not describe the output format, pagination, or whether this is a static catalogue.

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 brief and front-loads the tool's purpose and scope without extraneous detail.

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 zero-parameter listing tool, it is mostly complete, but it could clarify what a returned catalogue entry looks like (e.g., capability names, descriptions, availability) since there is no output schema and the sibling tools are action-oriented rather than informational.

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 takes zero parameters)Skip, so the schema fully covers the parameter surface; the description appropriately implies an unparameterized listing operation.

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 title and description clearly identify this as a catalogue-listing tool for Compass by 402rates, covering product and shared-service capabilities. The purpose is specific and matches the tool name, though the description itself lacks a direct action verb like 'list'.

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 gives no explicit guidance on when to call this tool versus siblings such as find_x402_resource, get_manifest, or list_agent_test_cases. The scope boundary is stated, but no alternatives or conditions are mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Compass by 402rates tools Inspect

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