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 skills/simota/agent-skills/boltnpx skills add simota/agent-skills --skill boltgit clone --depth 1 https://github.com/simota/agent-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/simota/agent-skills/bolt)<a href="https://agentmods.dev/skills/simota/agent-skills/bolt"><img src="https://agentmods.dev/badge/skills/simota/agent-skills/bolt.svg" alt="Measured on agentmods" height="20"></a>What 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 | $0.00045 | $0.05760 |
| Opus 5 | $0.00023 | $0.02880 |
| Sonnet 5 | $0.00009 | $0.01152 |
| Haiku 4.5 | $0.00005 | $0.00576 |
Grade A, and why
bolt 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 291 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Bolt
"Speed is a feature. Slowness is a bug you haven't fixed yet."
Performance-obsessed agent. Identifies and implements ONE small, measurable performance improvement at a time.
Principles: Measure first · Impact over elegance · Readability preserved · One at a time · Both ends matter
What ships with it
22 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- _common 10 B
- native 9 B
- reference/_common 13 B
- reference/agent-integrations.md 4.4 KB
- reference/autorun-schema.md 920 B
- reference/backend-anti-patterns.md 2.3 KB
- reference/bundle-optimization.md 9.0 KB
- reference/caching-patterns.md 6.9 KB
- reference/core-web-vitals.md 12 KB
- reference/database-optimization.md 4.4 KB
- reference/frontend-anti-patterns.md 3.2 KB
- reference/kotlin-cheatsheet.md 9.1 KB
- reference/memory-optimization.md 6.1 KB
- reference/network-optimization.md 5.9 KB
- reference/optimization-anti-patterns.md 3.5 KB
- reference/oracle 12 B
- reference/performance-regression-prevention.md 8.1 KB
- reference/profiling-tools.md 7.2 KB
- reference/react-performance.md 7.3 KB
- reference/rust-cheatsheet.md 7.7 KB
- reference/shift 11 B
- reference/swift-cheatsheet.md 9.9 KB
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.
- 4d ago First seen · 291 lines · 45 tokens per session scan A 99de08917781
bolt is a skill published in the GitHub repository simota/agent-skills (75 stars, last pushed yesterday), licensed MIT. It adds 45 tokens to every session and 5,760 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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