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/blockcell-labs/blockcell/cameranpx skills add blockcell-labs/blockcell --skill cameragit clone --depth 1 https://github.com/blockcell-labs/blockcellWhat 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 | $0.00000 | $0.00267 |
| Opus 5 | $0.00000 | $0.00133 |
| Sonnet 5 | $0.00000 | $0.00053 |
| Haiku 4.5 | $0.00000 | $0.00027 |
Grade A, and why
camera 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.
What it actually says
Camera
Shared {#shared}
- 适合拍照、自拍、用摄像头抓一张当前照片。
- 默认保存到工作区
media/目录。 - 默认使用第一个可用摄像头，默认格式为
jpg。
Prompt {#prompt}
- 用户只说“拍张照”“帮我拍一下”时，直接执行，不要先追问。
- 只有在用户明确指定保存位置、格式或特定摄像头，但信息仍不完整时才澄清。
- 工具策略：
- 普通拍照直接调用
camera_capture的拍照动作。 - 只有用户明确想选摄像头时，才先列设备。
- 只有用户明确问设备信息时，才先查摄像头能力。
- 普通拍照直接调用
- 输出要求：
- 告知拍照是否成功
- 返回文件路径
- 如果工具结果里有文件大小或拍摄方式，可以顺带说明
- 如果失败，优先告诉用户是权限问题、设备不可用还是摄像头被占用。
- 不要把调试细节、底层驱动信息或内部错误栈直接展示给用户。
What ships with it
5 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.
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 · 23 lines · 0 tokens per session scan A 4ec4cea2bb62
camera is a skill published in the GitHub repository blockcell-labs/blockcell (263 stars, last pushed 18d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 267 tokens. 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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