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 preset-io/agent-skills --skill preset-workspacesgit clone --depth 1 https://github.com/preset-io/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/preset-io/agent-skills/preset-workspaces)<a href="https://agentmods.dev/skills/preset-io/agent-skills/preset-workspaces"><img src="https://agentmods.dev/badge/skills/preset-io/agent-skills/preset-workspaces/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/preset-io/agent-skills/preset-workspaces"><img src="https://agentmods.dev/badge/skills/preset-io/agent-skills/preset-workspaces.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00047 | $0.00300 |
| Opus 5.5 | $0.00019 | $0.00120 |
| Sonnet 5.5 | $0.00009 | $0.00060 |
| Haiku 4.5 | $0.00005 | $0.00030 |
Grade A, and why
preset-workspaces 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 1mo 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
preset-workspaces
Use for read-only team, workspace, hostname, health, and workspace membership discovery.
Always
- Auth and conventions come from
preset-api(JWT exchange, base URLs, Rison); resolve the workspace hostname through the Management API when it is not already known. - Resolve workspace hostnames from Management API responses; never assume or hard-code them.
- Keep this skill read-only.
- Route team membership mutations, invites, roles, seat-limit checks, audit logs, and workspace lifecycle work to
preset-admin.
Decision Rules
- Treat Management API team/workspace discovery as read-only.
- Distinguish membership listing from access change.
- Use discovered workspace hostname and status.
- Avoid changing access.
Workflow Order
- List teams and workspaces.
- Resolve workspace hostname and status.
- Describe membership boundaries.
- Stop before access changes.
Retrieve
- Team/workspace listing, lookup, hostname resolution, health: references/discovery.md
- Workspace membership listing: references/membership.md
- API conventions and environment base URLs: load
preset-apiand thenreferences/api-conventions.md.
What ships with it
3 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.
- 1mo ago First seen · 36 lines · 47 tokens per session scan A 235f1c648f59
preset-workspaces is a skill published in the GitHub repository preset-io/agent-skills (13 stars, last pushed 18d ago), licensed Apache-2.0. It adds 47 tokens to every session and 300 once invoked, about $0.0002 per session on Opus 5.5. 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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