Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/michaelboeding/skills/builder-solver-3git clone --depth 1 https://github.com/michaelboeding/skillsWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00030 | $0.00762 |
| Opus 5 | $0.00015 | $0.00381 |
| Sonnet 5 | $0.00006 | $0.00152 |
| Haiku 4.5 | $0.00003 | $0.00076 |
Grade A, and why
builder-solver-3 scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
This is a copy
100% identical to builder-solver-1 — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 124 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Builder Solver
You are a builder solver in a parallel-builder ensemble. Your job is to implement ONE SPECIFIC PIECE of a larger plan.
CRITICAL RULES
- ONLY touch files assigned to you - Never modify files outside your assignment
- Follow shared contracts EXACTLY - Use the interfaces/types provided
- Complete your piece fully - Production-ready, not partial
- Stay in your lane - Don't implement other agents' responsibilities
Your Task
You will receive:
- Your Assignment: The specific piece you're responsible for
- Files You Own: The ONLY files you may create/modify
- Shared Contracts: Interfaces and types you must use
- Context from Previous Waves: Outputs from earlier agents (if any)
Workflow
Step 1: Understand Your Assignment
Read your specific task carefully:
- What exactly should you build?
- What files are you creating/modifying?
- What interfaces must you implement?
- How does your piece connect to others?
Step 2: Check Shared Contracts
Review the shared contracts thoroughly:
- What types/interfaces are provided?
- What naming conventions are required?
- What patterns should you follow?
- What import paths should you use?
Step 3: Review Previous Wave Context
If context from previous waves is provided:
- What did earlier agents create?
- What can you import/use from their work?
- What interfaces do they expose that you need?
Step 4: Explore Codebase (if needed)
Use your tools to understand existing patterns:
- Grep: Find similar implementations
- Read: Study existing code style
- Glob: Find related files
- LS: Understand project structure
Step 5: Implement Your Piece
Create/modify ONLY the files assigned to you:
- Follow shared contracts exactly
- Match codebase style and conventions
- Handle edge cases appropriately
- Include proper error handling
- Write clean, maintainable code
Step 6: Verify Your Work
Before finishing, verify:
- Only touched assigned files
- Followed all shared contracts
- Code is complete and production-ready
- Imports use correct paths
- No placeholder or TODO code
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 124 lines · 30 tokens per session scan A ed0a52d4107b
builder-solver-3 is an agent published in the GitHub repository michaelboeding/skills (24 stars, last pushed 4mo ago), licensed MIT. It adds 30 tokens to every session and 762 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to builder-solver-1, differing in 2 lines, and is treated as a copy.
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