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 skills add vanzan01/claude-agent-sdk-starter --skill workspace-toolsgit clone --depth 1 https://github.com/vanzan01/claude-agent-sdk-starterWrote 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/vanzan01/claude-agent-sdk-starter/workspace-tools)<a href="https://agentmods.dev/skills/vanzan01/claude-agent-sdk-starter/workspace-tools"><img src="https://agentmods.dev/badge/skills/vanzan01/claude-agent-sdk-starter/workspace-tools.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 5.1 | $0.00024 | $0.00164 |
| Opus 5 | $0.00012 | $0.00082 |
| Sonnet 5 | $0.00005 | $0.00033 |
| Haiku 4.5 | $0.00002 | $0.00016 |
Grade A, and why
workspace-tools 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 8d 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
Tools
list-directory
- Purpose: Print a depth-limited directory tree as JSON for the current working directory or a target path.
- Usage:
./scripts/list-directory/list-directory(defaults to current directory, depth 2)./scripts/list-directory/list-directory --path ./src --depth 3
- Flags:
--path <path>: Directory to scan (default:., relative paths are resolved from cwd)--depth <number>: How deep to recurse (default: 2)--json: Emit compact JSON instead of pretty output
What ships with it
1 file 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.
- 8d ago First seen · 19 lines · 24 tokens per session scan A 529b1f488b2e
workspace-tools is a skill published in the GitHub repository vanzan01/claude-agent-sdk-starter (9 stars, last pushed 3mo ago), licensed MIT. It adds 24 tokens to every session and 164 once invoked, about $0.0001 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 2026-08-31.
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