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Latent Defense MCP Server

Latent Defense MCP Server

Official
by latent-defense
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

validate_webhook_template

Validates a Jinja2 webhook template by rendering it with a synthetic event to detect parse errors and display output.

Instructions

Validate a Jinja2 webhook template against a synthetic event. Returns rendered output or parse error.

Args: template: Jinja2 template string. sample_event_type: Event type for the sample data (default "new_path").

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": {
      "template": "<template>"
    },
    "name": "validate_webhook_template"
  }
}

Input Schema

NameRequiredDescriptionDefault
templateYes
sample_event_typeNonew_path

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.8/5.0
Behavior3/5

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

With no annotations, the description carries full burden. It discloses the tool returns rendered output or error, implying a safe read operation, but lacks details on authorization, side effects, or rate limits. Adequate but minimal.

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 two sentences plus argument docstring, front-loading the purpose and efficiently detailing parameters. No superfluous content; every sentence 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 presence of an output schema (so return format is documented), the description provides sufficient context: validates a template against a synthetic event, returns output or error. Parameter explanations are complete. Could mention error types or edge cases, but overall complete for a simple validation tool.

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?

Schema description coverage is 0%, so the description compensates by explaining each parameter: template as 'Jinja2 template string' and sample_event_type as 'Event type for the sample data (default new_path)'. This adds significant meaning beyond schema.

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 clearly states the tool validates a Jinja2 webhook template against a synthetic event, returning rendered output or a parse error. It explicitly distinguishes from siblings like test_webhook by focusing on template validation.

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 is provided on when to use this tool versus alternatives (e.g., test_webhook for actual webhook testing), nor any conditions or prerequisites. The description is purely operational.

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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