Prompt Optimizer Skill
Triple Lock:
- STATE: You MUST preserve working logic AND follow all gates in order
- FORBID: FORBIDDEN: Altering intent without user approval
- FORBID: FORBIDDEN: Skipping steps or gates
- REQUIRE: REQUIRED: Validate all changes before output AND complete all checkboxes
Violation invalidates optimization. Start over if violated.
ALLOWED tools:
- Read-only file access (to read prompt files)
- Safe file edit/write capability (ONLY after VALIDATE step passes)
- Clarification question capability (for user clarification)
- Text output (all phases)
Compatibility note (REQUIRED):
- Map capability names to the active runtime's tool names.
- Example aliases: read-only file access = Read/ReadFile/localGetFileContent; safe file edit/write = Write/StrReplace/ApplyPatch.
- IF the runtime is read-only or lacks a safe write tool → THEN output the optimized text or delta without attempting file edits.
Execution Flow
| Step | Action | Gate Requirement | FORBIDDEN Until Gate Passes |
|---|---|---|---|
| 1 | READ the prompt completely | All checkboxes checked | Analysis, changes |
| 2 | UNDERSTAND what the prompt does | Understanding output produced | Rating, fixes |
| 3 | RATE each part for issues | Issues table produced | Fixing issues |
| 4 | FIX issues by severity | All Critical/High fixed | Validation |
| 5 | VALIDATE against checklist | All REQUIRED checks pass | Output |
| 6 | OUTPUT optimized document | Format followed exactly | N/A |
CRITICAL: You MUST complete each gate before proceeding. DO NOT skip steps.
Adaptive Mode Selector (REQUIRED)
| Mode | Use When | Allowed Compression | Non-negotiables |
|---|---|---|---|
| Fast Path | Short/single-purpose prompt, low ambiguity, <=3 logical parts, no unresolved unknowns | READ+UNDERSTAND may be combined; RATE+FIX may be compacted into one section if issues table is still produced | VALIDATE and intent-preservation checks are ALWAYS required |
| Full Path | Multi-section prompt, high ambiguity, >=4 logical parts, conflicting constraints, or Critical/High risk | No compression. Execute each gate separately | All gates and templates required |
Mode selection rules (REQUIRED):
- IF any unknown blocks progress, conflicting instructions exist, or Critical/High issues are likely → THEN use Full Path.
- IF prompt is simple and unambiguous with low risk → THEN Fast Path is allowed.
- IF uncertain which mode applies → THEN default to Full Path.
Minimum Execution Profile (Very Small Tasks)
- IF task is very small and unambiguous → THEN use Fast Path with concise outputs.
- MUST: preserve intent, perform a minimal issue scan, and pass VALIDATE before output.
- MUST: follow selected output variant format.
- IF ambiguity, conflict, or High/Critical risk appears → THEN escalate to Full Path immediately.
Global enforcement baseline: global_forbidden and VALIDATE are source-of-truth constraints for every gate; gate sections focus on step-specific requirements.
Step 1: READ
Pre-Conditions
- User provided prompt/file to optimize
- Path is valid and readable
Actions (REQUIRED)
- MUST read the input file completely
- MUST note the document type and purpose
- MUST count approximate line count
Gate Check
Verify before proceeding:
- File read completely (no skipped sections)
- Document type identified
- Line count noted
FORBIDDEN
- Making ANY changes before reading
- Skipping sections
ALLOWED
- Read-only file access only
- Text output to confirm reading
On Failure
- IF file unreadable and inline content exists → THEN continue using the provided content
- IF file unreadable and no content exists → THEN ask user for correct path
- IF file empty → THEN ask user to provide content
Step 2: UNDERSTAND
Pre-Conditions
- Step 1 (READ) completed
- File content in context
Actions (REQUIRED)
- MUST identify the goal - what is this prompt supposed to achieve?
- MUST identify logical parts - break down into sections/phases/steps
- MUST identify flow - how do the parts connect?
- MUST document understanding in output format below
Output Format (REQUIRED)
## Understanding
**Goal:** [What the prompt achieves]
**Logical Parts:**
1. [Part name] - [purpose]
2. [Part name] - [purpose]
...
**Flow:** [How parts connect]
Assumptions & Unknowns (REQUIRED if prompt is underspecified)
## Assumptions & Unknowns
**Assumptions (temporary - proceeding with these):**
- [Assumption 1] - Impact if wrong: [consequence]
**Unknowns (MUST ask before proceeding):**
- [Unknown 1] - Why critical: [reason]
**Clarification needed:** Yes/No
IF Unknowns exist → THEN STOP and ask user before proceeding to RATE.
Gate Check
Verify before proceeding:
- Goal clearly stated
- All logical parts identified
- Flow documented
- Understanding output produced
Reflection
- Did I understand the intent correctly?
- Did I identify all logical parts? IF you are uncertain about your understanding → THEN re-read before proceeding. DO NOT guess.
FORBIDDEN
- Proceeding without understanding the goal
- Making changes based on assumptions
ALLOWED
- Text output (understanding summary)
- Re-reading file if needed
On Failure
- IF intent unclear → THEN ask user for clarification
- IF multiple interpretations → THEN present options and WAIT for user choice
Step 3: RATE
Pre-Conditions
- Step 2 (UNDERSTAND) completed
- Understanding output produced
Issue Categories (MUST check all)
| Category | What to Look For | Severity |
|---|---|---|
| Weak Words | "consider", "might", "could", "may", "should" in critical sections | Critical |
| Missing Enforcement | Rules without FORBIDDEN/ALLOWED | High |
| Ambiguous Instructions | "do some", "handle", "process" without specifics | High |
| Referential Ambiguity | "it", "this", "that", "above", "below" without clear antecedent | High |
| Missing Output Format | Expected outputs without templates | Medium |
| Missing Gates | Phase transitions without checkpoints | Medium |
| Duplication | Same logic/rule repeated in multiple places (not just examples) | Medium |
| Verbose/Bloat | Sections >20 lines that could be tables; prose without constraints | Medium |
| Emoji as Instructions | Emojis used as commands instead of strong words | Medium |
| Redundancy | Same example repeated, unnecessary variations | Low |
| Low Density | Explanations that don't constrain behavior | Low |
Rating Output (REQUIRED)
## Issues Found
| Part | Issue | Severity | Fix Needed |
|------|-------|----------|------------|
| [Part name] | [Description] | Critical/High/Medium/Low | [What to do] |
Gate Check
Verify before proceeding:
- All logical parts rated
- Weak word scan completed
- Issues table produced
- Severity assigned to each issue
FORBIDDEN
- Fixing issues before completing rating
- Ignoring critical issues
- Skipping weak word scan
ALLOWED
- Text output (issues table)
- Re-reading parts for rating
On Failure
- IF no issues found → THEN MUST double-check with weak word scan
- IF scan still clean → THEN document "No issues found" and proceed
Weak Word Reference
| Weak Word | Context | Replacement |
|---|---|---|
| consider, might, could, may | Critical section | MUST, REQUIRED |
| consider, might, could, may | Optional guidance | Remove or keep with "optionally" |
| should, prefer | Critical section | MUST |
| should, prefer | Soft guidance | Keep as-is |
| do some, handle, process | Any | Specify exact action: "Run X", "Call Y" |
| as needed, if necessary | Any | IF [condition] → THEN [action] |
| feel free to, you can | Required action | Remove entirely, use MUST |
| feel free to, you can | Optional action | "Optionally, you may..." |
CRITICAL: Weak words in FORBIDDEN/MUST/NEVER sections MUST be replaced.
Step 4: FIX
Pre-Conditions
- Step 3 (RATE) completed
- Issues table produced
Fix Priority (MUST follow order)
- Critical first - Weak words in MUST/FORBIDDEN contexts
- High next - Missing enforcement, ambiguous instructions
- Medium - Missing output formats, missing gates
- Low last - Redundancy, density (only if value added)
Command Strength Hierarchy
| Strength | Keywords | Use For |
|---|---|---|
| Absolute | NEVER, ALWAYS, MUST, FORBIDDEN, CRITICAL | Non-negotiable rules |
| Stop | STOP, HALT, DO NOT proceed, WAIT | Gates/checkpoints |
| Required | REQUIRED, MANDATORY | Essential steps |
| Soft | should, prefer | Optional guidance only |
Triple Lock Pattern (REQUIRED for Critical Rules)
1. STATE: "You MUST X"
2. FORBID: "FORBIDDEN: Not doing X"
3. REQUIRE: "REQUIRED: Verify X complete"
Reasoning Block (CONDITIONAL REQUIRED Before Changes)
REQUIRED when:
- Full Path is active, OR
- Fast Path has any Critical/High issue.
Optional when:
- Fast Path has only Medium/Low issues; include one-line rationale instead.
Before making changes (when required), produce a <reasoning> block:
<reasoning>
1. **Current state:** [What exists now]
2. **Goal:** [What we are trying to achieve]
3. **Approach:** [Why this specific change]
4. **Risk:** [What could go wrong]
</reasoning>
Gate Template (When Adding Gates)
<[name]_gate>
**STOP. DO NOT proceed. [What to verify]**
### Pre-Conditions
- [ ] [Previous step completed]
### Actions (REQUIRED)
1. [Action]
### Gate Check
**Verify before proceeding:**
- [ ] [Condition]
### FORBIDDEN
- [What not to do]
### ALLOWED
- [What is permitted]
### On Failure
- **IF** [condition] → **THEN** [recovery]
</[name]_gate>
Gate Check
Verify before proceeding:
- All Critical issues fixed
- All High issues fixed
- Medium/Low addressed or documented as skipped
- Reasoning requirement satisfied (block produced OR Fast Path low-risk rationale documented)
FORBIDDEN
- Over-strengthening soft guidance (keep "should" for optional items)
- Changing logic that already works
- Adding unnecessary complexity
- Skipping Critical/High issues
- Bloating: >10% line increase without explicit justification in VALIDATE
ALLOWED
- Text output (draft fixes)
- Iterating on fixes
On Failure
- IF over-strengthening detected → THEN revert and re-assess using RATE step criteria
- IF unsure if logic changed → THEN compare before/after intent
Step 5: VALIDATE
Pre-Conditions
- Step 4 (FIX) completed
- All Critical/High issues addressed
Validation Checklist (MUST complete all)
REQUIRED checks:
- No weak words in critical sections
- Critical rules use MUST/NEVER/FORBIDDEN
- No conversational filler
- No conflicting instructions
- Logical flow preserved
- Original intent preserved
- Triple Lock applied to critical rules
- Line count target met (<10%) OR justified exception documented
- Any >10% increase includes one-line reason linked to required gate/clarity fixes
Additional checks (if applicable):
- Gates have Pre-Conditions, Gate Check, FORBIDDEN, ALLOWED, On Failure
- Outputs have format specifications
- IF/THEN rules for decision points
Referential Clarity (MUST check):
- No ambiguous pronouns or positional references without explicit antecedent
- All entities have stable names (same term throughout)
- Steps/outputs referenced by name, not position
- All cross-references are unambiguous
- No implicit "the" references without clear antecedent
- XML tags are optional; use only for attention-control needs (Markdown remains default)
Reflection (REQUIRED)
MUST answer these questions:
- Would I trust this prompt to execute reliably?
- What's the weakest remaining section?
- Did I change any original intent? (MUST be NO)
IF weakness identified → THEN fix or document as limitation IF intent changed → THEN STOP and revert. Return to UNDERSTAND step.
Definition of Done (DoD) - Fast Final Gate
ALL must be true before OUTPUT:
- Single execution path (no ambiguous branches)
- All inputs/outputs explicitly defined
- All decision points use IF/THEN
- No orphan references (every "it/this" resolved)
Gate Check
Verify before proceeding:
- All REQUIRED checks pass
- Reflection questions answered
- No intent changes
FORBIDDEN
- Outputting without completing validation
- Skipping checklist items
- Proceeding with failed checks
- Using XML tags outside attention-control needs (Markdown remains default)
ALLOWED
- Text output (validation results)
- Returning to FIX step
On Failure
- IF validation fails → THEN return to FIX step
- IF intent changed → THEN return to UNDERSTAND step
Step 6: OUTPUT
Pre-Conditions
- Step 5 (VALIDATE) completed
- All REQUIRED checks passed
- No intent changes confirmed
Output Format (REQUIRED - select variant by user intent)
Selection rule (REQUIRED):
- IF user requests complete rewritten document → THEN use Variant A.
- IF user requests minimal edits/delta only → THEN use Variant B.
- IF user requests review-only or the runtime cannot write safely → THEN use Variant B unless the user explicitly asks for a full rewrite.
- IF user does not specify → THEN default to Variant A.
Common report header (REQUIRED for both variants):
# Optimization Complete
## Summary
- **Issues Found:** [N]
- **Fixes Applied:** [N]
- **Intent Preserved:** Yes
## Changes Made
| Category | Count | Examples |
|----------|-------|----------|
| Command Strengthening | [N] | [Brief example] |
| Gates Added/Fixed | [N] | [Brief example] |
| Redundancy Removed | [N] | [Brief example] |
Variant A - Full Document (default):
## Optimized Document
[Full optimized content]
Variant B - Patch-Style Delta (minimal edits):
## Patch-Style Delta
| Section | Before | After | Why |
|---------|--------|-------|-----|
| [Section name] | [Old text] | [New text] | [Reason] |
FORBIDDEN
- Deviating from selected output variant
- Outputting without validation pass
- Omitting required deliverable (full document for Variant A, patch-style delta for Variant B)
- Claiming a file was updated when the write policy prevented edits
ALLOWED
- Safe file edit/write capability to save optimized content
- Text output (summary + document)
On Failure
- IF format deviates → THEN regenerate output
- IF user requests changes → THEN return to FIX step
Reference: Instruction Precedence
When rules conflict, follow this precedence (highest wins):
| Priority | Category | Examples | Notes |
|---|---|---|---|
| 1 (highest) | Safety/Tool Restrictions | FORBIDDEN tools, NEVER actions | Always wins |
| 2 | User explicit request | "I want X", "Do Y" | Overrides defaults |
| 3 | FORBIDDEN/MUST rules | "FORBIDDEN: changing logic" | Overrides preferences |
| 4 | Skill defaults | Default behaviors, templates | Baseline |
| 5 (lowest) | Soft guidance | "prefer", "consider" | Yields to all above |
Resolution rule: When two rules conflict, the higher priority wins. Document the conflict and resolution.
Reference: Conflict Resolution Micro-Protocol
- Detect - Name the two conflicting instructions explicitly.
- Resolve - Apply precedence table (highest priority wins).
- Document - Add one-line note: "Conflict: [A] vs [B] -> Resolved by [priority N rule]".
- Continue - Proceed using the resolved instruction only.
FORBIDDEN: Proceeding while both conflicting instructions remain active.
Reference: Context Patterns
Conditional requirement:
- Full Path: produce a state summary at each phase transition or context shift.
- Fast Path: produce a state summary only when context shifts materially.
Reference: High-Value vs Low-Value Content
Quick Reference
Use this only as a mnemonic; gate sections are source of truth.
| Need | Pattern |
|---|---|
| Stop/Checkpoint | **STOP. DO NOT proceed.** + ### Gate Check |
| Mandatory action | **REQUIRED:** You MUST [action] |
| Prohibited action | **FORBIDDEN:** [action] |
| Decision logic | **IF** [condition] → **THEN** [action] |
| Critical rule hardening | Triple Lock: STATE + FORBID + REQUIRE |
Common Mistakes
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