The Builder's Prompt Library

Search 3,323 graded AI prompts for software builders; fetch any prompt by slug. No key needed.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
77%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~460Tokens (tool definitions)
~867 BTypical response size
Minimal attention impact (0.36% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "builders-prompt-library": {
      "url": "https://buildersprompt.com/mcp"
    }
  }
}

Remote endpoints

https://buildersprompt.com/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢search_prompts(query, stage, grade, limit)

Search the Builder's Prompt Library (3,323 rubric-graded prompts for software delivery) by keyword. Optionally filter by delivery stage or prompt-writing grade. Returns ranked matches with slug, title, summary, stage, category, and grade. Grades and quality_score describe prompt writing, not tested model performance.

Input Schema

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "minLength": 1,
      "maxLength": 256,
      "description": "Keywords to search for (max 256 characters)."
    },
    "stage": {
      "description": "Optional delivery stage filter.",
      "type": "string",
      "enum": [
        "Idea",
        "Design",
        "Build",
        "Test",
        "Secure",
        "Ship"
      ]
    },
    "grade": {
      "description": "Optional prompt-writing grade filter.",
      "type": "string",
      "enum": [
        "A+",
        "A",
        "B",
        "C"
      ]
    },
    "limit": {
      "description": "Max results (default 8, max 20).",
      "type": "integer",
      "minimum": 1,
      "maximum": 20
    }
  },
  "required": [
    "query"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢get_prompt(slug)

Fetch the full text and metadata of a single published prompt by its slug, including where it runs (any chat app, chat app with your code pasted in, a tool with web access, or a coding agent).

Input Schema

{
  "type": "object",
  "properties": {
    "slug": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "pattern": "^[a-z0-9-]+$",
      "description": "The prompt's URL slug."
    }
  },
  "required": [
    "slug"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢list_stages

List the six delivery stages in the Builder's Prompt Library and how many published prompts each contains.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Community

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Evidence

Recent observations

verifiedversion not recorded3 tools