Evelyn Harbor OS
Master Relational Databases
Master Dashboard 01. Prompt Repository 02. Prompt Inspector 03. 5-Layer Meta Matrix 04. KV-Cache Calculator 05. Evaluation Rubrics 06. Agent Memory Bridge
Evelyn Harbor / Operating Systems / AI Prompt OS [MASTER]
Duplicate Template
AI Prompt Engineering & Autonomous Agent OS

Commercial Notion Master Suite • SKU: ltwycw ($29)

5 Relational Databases, 42 Tested Prompt Rubrics, KV-Cache Token Calculators, and Agent Memory Bridges. Engineered to eliminate hallucination drift and compounding token costs in autonomous agent loops.

Prompt Repository
42 Prompts
Claude 3.5 / GPT-4o / R1
5-Layer Matrix
5 Layers
Deterministic Boundaries
KV Calculator
77% Saved
Compounding Token Math
Test Rubrics
12 Gates
Pre-Flight & Post Checks
Memory Bridge
L1 / L2 / L3
Cross-Harness Sync
Master Prompt Matrix — Recent Deployments All 42 Passed
Prompt Title Layer Class Target LLM Brain Overhead Status Verification
5-Layer Meta-Prompting Master Matrix Layer 1-5 Master Claude 3.5 Sonnet / GPT-4o 420 tokens Production 100% Passed
KV-Cache Output Bound Wrapper (cap-tool) Layer 3: Tool Guard Antigravity / Cursor / Codex 180 tokens Production 100% Passed
Cognitive Scratchpad Deliberation Contract Layer 2: Reasoning Gemini 2.5 Pro / DeepSeek R1 310 tokens Production 100% Passed
Zero-Hallucination JSON-RPC Schema Gate Layer 4: Schema Universal JSON-RPC / API 250 tokens Production 100% Passed
L1/L2 File Memory Bridge Handoff Layer 5: Persistence POSIX Heredoc Engine 190 tokens Production 100% Passed