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AI Prompt Architect

AI Prompt Architect is a prompt engineering platform to write, test, score, and version-control AI prompts. Features STCO framework, multi-model testing, and a free tier.

About AI Prompt Architect

AI Prompt Architect is the prompt engineering platform built for production AI. Instead of ad-hoc chatting, engineers use structured frameworks like STCO (Situation, Task, Constraints, Output) to build testable, version-controlled prompts that perform consistently across GPT-4o, Claude, and Gemini.

Key features:

  • Prompt Scoring: Automated quality scoring on structure, clarity, and completeness.

  • Multi-model Evaluation: Test prompts across OpenAI, Anthropic, and Google models simultaneously.

  • CLI + MCP Integration: 50% discount for AI agents using the CLI or MCP server.

  • Enterprise Library: Organise, share, and govern prompts across teams.

  • BYOK Security: Bring Your Own Key architecture means keys never touch our servers.

The solution
Build, analyze and refine AI prompts with a structured framework and a prompt library.

Features

  • Prompt framework builder

  • Prompt library

  • Prompt configuration

Details

Use cases
  • Analyze an AI prompt
  • Build and refine structured prompts

Website performance

Independent mobile lab measurements and permanent weekly competition results from IndieTools Speed.

47Needs workMobile Lighthouse

Last checked

Load time
1.38 s
FCP
8.93 s
LCP
11.70 s
CLS
0.003
TTFB
5 ms
TBT
393 ms
Speed index
8.93 s

Latest Performance Score: 47. Measured: October 13, 2026. Weekly Overall Rank: #1048. Category Rank: #98 in Developer tools. LCP: 11.70 s. Load Time: 1.38 s.

Overall rank · 2026-W41
#1048
Down 891 places
Best overall rank
#157
0 top 10 finishes
Best category rank
#14
0 category wins
Latest change
+6 score
Best score 93 / 100

Website performance history

Inspect every successful mobile Lighthouse lab measurement by metric and date range.

Range

Latest score

47 / 100

Higher is better
9 measurements

Use the left and right arrow keys to inspect measurements. Use Home or End to jump to the first or last measurement. Press Escape to dismiss the chart tooltip.

Oct 7, 2026Oct 13, 2026

Weekly rank history

Track the product's finalized overall position on the IndieTools Speed leaderboard.

Range

MetricOverall rank

Latest rank

#1048

Closer to #1 is better
2 weeks

Use the left and right arrow keys to inspect weeks. Use Home or End to jump to the first or last week. Press Escape to dismiss the chart tooltip.

Sep 28, 2026Oct 5, 2026

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