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API Monitor MCP

API Monitor MCP

by zxcvbbq
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

capture_compare_calls

Compare two saved API call captures by process index and bounded payload fingerprints to identify traffic differences.

Instructions

Compare saved call traffic by index and bounded payload fingerprints.

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": {
      "first_file": "<first_file>",
      "second_file": "<second_file>"
    },
    "name": "capture_compare_calls"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNo
first_fileYes
max_recordsNo
second_fileYes
process_indexNo
max_data_bytesNo
resolve_definitionsNo

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.10.26

TDQS

C2.7/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden. It does not state whether the operation is read-only, whether permissions are required, how limits or bounded fingerprints affect behavior, or any side effects; output schema coverage helps only with return values.

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 a single front-loaded sentence with no wasted text. It is concise, though the phrase 'bounded payload fingerprints' is jargon-heavy and does not expand usefully.

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

Completeness2/5

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

The tool has 7 parameters, 0% schema description coverage, no annotations, and no usage guidance. Although an output schema exists and reduces the need to describe return values, the description is too sparse for an agent to invoke this comparison tool confidently.

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

Parameters2/5

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

Schema description coverage is 0% across 7 parameters, so the description must compensate heavily. It vaguely hints at 'index' and 'bounded payload fingerprints' but does not explain first_file, second_file, limit, max_records, process_index, max_data_bytes, or resolve_definitions.

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 states a specific verb and resource: 'Compare saved call traffic' and adds the comparison dimensions of index and bounded payload fingerprints. It does not distinguish this tool from the sibling capture_compare, so it is clear but not sibling-differentiating.

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?

There is no explicit when-to-use, when-not-to-use, or alternative routing guidance. The word 'saved' implies this operates on saved captures rather than live traffic, but no prerequisites or selection criteria against siblings are given.

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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