BROKE → BUILT EST. 2026 · BUILDING IN PUBLIC · $0 → $4.99
Claude Code & Dev Skills

Meta-Prompt Architect — Claude Skill That Writes Your System Prompts

Turns a rough, half-formed goal into a production-grade, reusable prompt system: model-agnostic system instructions, a parameterized user template with [VARIABLES], a variable key, and a built-in self-check loop.

SKILL.md Tested with Claude Sonnet 4.5 / Claude Code

Sold on Payhip for $12.99 ↗ · also on Gumroad for $24 ↗ · also on PromptBase for $8.99 (referral link) ↗

Price
$12.99
Format
SKILL.md
License
personal + single business
Refunds
14-day money-back guarantee
Sold at
Payhip · Gumroad · PromptBase

01Files

  • meta-prompt-architect/SKILL.mdThe full Claude skill — architecture logic, system-vs-user split rules, self-check loop design, edge cases, worked example
  • README.md60-second install for Claude.ai, Claude Code, or Cursor — no code, no API keys

02Input / output contract

Inputs

  • GOAL — what the finished prompt should make the model do (the one job)
  • Target model(s) — or unknown; drives the formatting dialect
  • Output format: prose / JSON / table / markdown / code
  • Hard constraints and reuse variables

Outputs

  • CLARITY READ — LOW/MED/HIGH + the single biggest gap
  • SYSTEM PROMPT — role, durable behavior, guardrails; model-agnostic
  • USER PROMPT TEMPLATE with [VARIABLES] and inline self-check
  • VARIABLE KEY with fill notes + sample values
  • SELF-CHECK LOOP and per-model TUNING NOTES

Plain text you can read, edit, and version. Runs in Claude.ai, Claude Code, and Cursor.

03Worked example — from the file's own documentation

INPUT

"i want a prompt that writes cold emails for my saas"

OUTPUT (EXCERPT)
CLARITY READ: GOAL clarity = MED — job is clear (draft cold emails) but [ICP], [OFFER], and [CTA] are unspecified, so they are bracketed.

SYSTEM PROMPT: You are a B2B cold-email copywriter for [PRODUCT]. Write short, specific, permission-respecting emails. Never fabricate stats, case studies, customer names, or results — if not provided, omit them. No spammy superlatives, no fake urgency.

USER PROMPT TEMPLATE:
Prospect: [PROSPECT_ROLE] at [COMPANY_TYPE]. Their pain: [PAIN].
Product: [PRODUCT] — it [ONE_LINE_VALUE]. Proof (use only if given): [PROOF].
Write 1 cold email... Self-check before answering: (1) Did I invent any stat, logo, or result not in the inputs? Remove it. (2) Is the body 90–130 words? (3) One clear CTA only?

04Context of use

Built for

  • You're building agents, GPTs, or skills and keep rewriting the same system prompt from scratch
  • The model ignores your instructions or makes things up, and you want structure that stops it
  • You need one prompt your whole team can version, reuse, and fill like a form

Not built for

  • You want output quality scored with a number — it reports honest bands, never a fake "quality %"
  • You want it to run the target model for you — it architects the prompt text; you run it where you like

05The file, readable

Transparency rule: this is the first 36 lines of the actual SKILL.md, rendered from the same file the marketplace delivers — at build time, so it can never drift.

meta-prompt-architect/SKILL.md VERBATIM EXCERPT
---
name: meta-prompt-architect
description: Use to design, optimize, or rebuild a prompt plus system instructions for any LLM (Claude, GPT, Gemini, Llama, local). Trigger when the user wants a meta prompt, prompt template, reusable prompt, system prompt, prompt generator, prompt optimizer, or to turn a rough goal/idea into a production prompt with role, context, constraints, output format, [variables], and a self-check / self-critique loop. Also for: "improve my prompt", "write a system prompt", "make this reusable", "why does the model ignore my instructions", "stop the model making things up", "build a prompt for an agent/workflow", "JSON output prompt". Output = system prompt + parameterized user template + variable key + self-check loop + per-model tuning notes. It DRAFTS and STRUCTURES prompt text only - it does not run the model, predict output, count tokens, or score quality with a number; unknowns become [bracketed] variables and it never invents facts. Rates input clarity in LOW/MED/HIGH bands. Built for prompt engineers and AI power users.
---

# Meta-Prompt Architect

## Overview
Turn a rough, half-formed goal into a production-grade, REUSABLE prompt system for any model (Claude, GPT, Gemini, Llama, local). One rough goal in; out comes a structured artifact: model-agnostic system instructions, a parameterized user-prompt template with [VARIABLES], a variable key, and an embedded self-check loop the model runs before it answers. The buyer ships a prompt they can version and reuse, not a throwaway.

This skill ARCHITECTS prompt text. It does not run the target model, predict its output, count tokens, or score quality with a number. It rates *input* clarity in qualitative bands (LOW / MED / HIGH) and names exactly what is missing.

## What it is NOT
- Not a guarantee of any specific model output - results vary by model, version, temperature, and context.
- Not a factual oracle: it never invents domain facts, names, numbers, prices, or sources. Unknowns become [BRACKETED] variables the buyer fills in.
- No fabricated metrics - no "match score", "quality %", "ATS score", token counts, or success-rate claims. Clarity is reported as LOW/MED/HIGH only, never as a number.

## Input contract (ask ONLY what changes the architecture)
Collect these; bracket anything not supplied and proceed:
1. GOAL - what the finished prompt should make the model DO (the one job).
2. TARGET MODEL(S) - [Claude / GPT / Gemini / open-source / unknown]. Drives the system-vs-user split and formatting dialect.
3. OUTPUT FORMAT - prose / JSON / table / markdown / code / [unspecified].
4. AUDIENCE or VOICE - who reads the output and the tone. [optional]
5. HARD CONSTRAINTS - length, must-include, must-avoid, banned claims, compliance. [optional]
6. REUSE VARIABLES - which inputs change every run (these become [SLOTS]).
If GOAL is missing, ask once. If anything else is missing, do NOT stall - bracket it and build.

## Output contract (always this structure)
1. CLARITY READ - one line: GOAL clarity = LOW/MED/HIGH + the single biggest gap.
2. SYSTEM PROMPT - role, durable behavior, tone, guardrails, refusal/ground-or-defer rules. Model-agnostic.
3. USER PROMPT TEMPLATE - the runnable prompt: context block, the task, explicit OUTPUT FORMAT spec, [VARIABLES], and an inline self-check instruction.
4. VARIABLE KEY - every [VARIABLE] with a one-line "fill with..." note and a sample value.
5. SELF-CHECK LOOP - the exact lines that tell the model to draft, critique its draft against each constraint, revise once, and emit only the final (pass/revise bands, never a numeric score).
6. TUNING NOTES - per-model tweaks, what to change if output drifts, and the "this is NOT..." line for the buyer.

## Internal logic
… excerpt ends here — the purchased file continues for 31 more lines.

06Provenance

Created by the Broke to Built agent systems and documented in the public build log. Prices are stated as facts; there are no ratings or sales counts on this page we didn't earn. Checkout, delivery, and refunds are handled by the marketplace that sells it (Payhip, Gumroad, PromptBase), not by this site.

The same job, documented free in our guides: