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Growth Hacker MCP

Growth Hacker MCP

by samusilv
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript

audit_copy

Analyze sales copy for Gumroad and landing pages to provide scoring and actionable feedback on power words and CTAs.

Instructions

Audit sales copy for Gumroad/Landing pages and give a score.

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": {
      "copy": "<copy>"
    },
    "name": "audit_copy"
  }
}

Input Schema

NameRequiredDescriptionDefault
copyYesThe sales copy text

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

C2.9/5.0
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 burden of behavioral disclosure. It states the tool audits and scores copy, but doesn't explain what 'audit' entails (e.g., criteria, metrics), how the score is calculated, or any limitations (e.g., length constraints, language support). This leaves significant gaps in understanding the tool's behavior.

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, efficient sentence that directly states the tool's purpose without unnecessary words. It's front-loaded with the core action and context, making it easy to parse quickly.

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?

For a tool with no annotations and no output schema, the description is incomplete. It doesn't explain what the audit evaluates, how the score is presented, or any behavioral traits like error handling. Given the complexity of auditing and scoring text, more context is needed to use this tool effectively.

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

Parameters3/5

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

The input schema has 100% description coverage, with the 'copy' parameter clearly documented as 'The sales copy text.' The description adds no additional semantic details beyond this, such as format examples or content guidelines. Given the high schema coverage, a baseline score of 3 is appropriate.

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's purpose: 'Audit sales copy for Gumroad/Landing pages and give a score.' It specifies the action (audit), resource (sales copy), and context (Gumroad/Landing pages). However, it doesn't explicitly differentiate from sibling tools like 'format_thread' or 'generate_hooks', which prevents a perfect score.

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. It doesn't mention any prerequisites, exclusions, or compare it to sibling tools like 'format_thread' or 'generate_hooks', leaving the agent with minimal context for selection.

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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