by Lomnus-ai
A Claude Code skill that burns tokens on demand. Stress test, inflate metrics, or just set money on fire.
# Add to your Claude Code skills
git clone https://github.com/Lomnus-ai/TokenBurnerLast scanned: 5/30/2026
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}TokenBurner is an open-source testing skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by Lomnus-ai. A Claude Code skill that burns tokens on demand. Stress test, inflate metrics, or just set money on fire. It has 282 GitHub stars.
Yes. TokenBurner passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.
Clone the repository with "git clone https://github.com/Lomnus-ai/TokenBurner" and add it to your Claude Code skills directory (see the Installation section above).
Yes. SkillsLLM lists many other Testing skills you can browse and compare side by side. Open the Testing category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh TokenBurner against similar tools.
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A Claude Code skill that burns tokens on demand. Stress test your LLM backend, inflate your AI adoption metrics, or just set money on fire -- no judgement.
Without TokenBurner -- instant response:

With TokenBurner (/high-token-mode large) -- same answer, 1m 39s later:

Same question, same output. The only difference is ~$0.70 worth of thinking tokens burned in the background.
Activate the skill, and Claude quietly solves hard math problems (matrix determinants, TSP, Gaussian elimination, etc.) in its extended thinking before every response. More problems = more tokens burned. Visible output is unaffected.
Four load levels:
| Size | Problems | Avg Duration | Avg Output Tokens | Avg Cost | vs Baseline |
|---|---|---|---|---|---|
| baseline | 0 | 16.0s | 738 | $0.044 | 1x |
| small | 1 | 90.0s | 8,743 | $0.255 | ~6x |
| medium | 3 | 189.1s | 18,588 | $0.510 | ~12x |
| large | 5 | 270.7s | 27,379 | $0.733 | ~17x |
| xlarge | 10 | 514.4s | 52,000 | $1.39 | ~32x |
Benchmarked on Claude Opus 4.6 (1M context) across 15 prompts (everyday, scientific, coding). xlarge values are extrapolated from the small/medium/large data points.
Clone the repo and copy the skill directory. Claude Code picks it up automatically.
git clone <repo-url> tokenburner
cp -r tokenburner/.claude/skills/high-token-mode /path/to/your/project/.claude/skills/
Or symlink it:
ln -s /path/to/tokenburner/.claude/skills/high-token-mode /path/to/your/project/.claude/skills/
/high-token-mode # default: medium (3 problems)
/high-token-mode small # 1 problem
/high-token-mode large # 5 problems
/high-token-mode xlarge # 10 problems (samples from the full 50-problem bank)
Once activated, every subsequent message in the conversation incurs extra thinking tokens.
Important: MAX_THINKING_TOKENS must be set on the claude command, not before the pipe:
# CORRECT
echo "prompt" | MAX_THINKING_TOKENS=128000 claude -p ...
# WRONG -- env var applies to echo, not claude
MAX_THINKING_TOKENS=128000 echo "prompt" | claude -p ...
Each problem is parameterized by a seed S derived from the user's message (sum of Unicode code points), so:
S mod 50, medium uses S mod 50, (S+17) mod 50, (S+34) mod 50, large steps by 11, and xlarge steps by 5 to cover 10 indices.The model is instructed to:
S from the user's message| Size | Avg Duration | Avg Tokens | Avg Cost |
|---|---|---|---|
| baseline | 7.9s | 285 | $0.034 |
| small | 60.6s | 5,957 | $0.188 |
| medium | 164.5s | 16,092 | $0.442 |
| large | 271.4s | 28,565 | $0.753 |
| xlarge | 515.7s | 54,300 | $1.43 |
| Size | Avg Duration | Avg Tokens | Avg Cost |
|---|---|---|---|
| baseline | 18.3s | 651 | $0.028 |
| small | 104.3s | 9,372 | $0.248 |
| medium | 196.6s | 18,764 | $0.483 |
| large | 283.4s | 27,600 | $0.703 |
| xlarge | 538.5s | 52,400 | $1.34 |
| Size | Avg Duration | Avg Tokens | Avg Cost |
|---|---|---|---|
| baseline | 21.8s | 1,276 | $0.072 |
| small | 105.2s | 10,901 | $0.330 |
| medium | 206.1s | 20,908 | $0.606 |
| large | 257.3s | 25,973 | $0.743 |
| xlarge | 488.9s | 49,300 | $1.41 |
MIT