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 conorbronsdon/agent-context-os --skill contextos-workspacegit clone --depth 1 https://github.com/conorbronsdon/agent-context-osWrote 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/conorbronsdon/agent-context-os/contextos-workspace)<a href="https://agentmods.dev/skills/conorbronsdon/agent-context-os/contextos-workspace"><img src="https://agentmods.dev/badge/skills/conorbronsdon/agent-context-os/contextos-workspace/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/conorbronsdon/agent-context-os/contextos-workspace"><img src="https://agentmods.dev/badge/skills/conorbronsdon/agent-context-os/contextos-workspace.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 | $0.00038 | $0.00365 |
| Opus 5.5 | $0.00015 | $0.00146 |
| Sonnet 5.5 | $0.00008 | $0.00073 |
| Haiku 4.5 | $0.00004 | $0.00036 |
Grade A, and why
contextos-workspace 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
Context OS workspace companion
- Identify the user's intended Context OS workspace. Ask for its path if it is not explicit or unambiguous. Never use the plugin installation/cache as a workspace, and never create a workspace or import context implicitly.
- Verify the selected root contains
AGENTS.md,ROUTING.md,scripts/contextos.sh, and.agents/skills/. If not, stop and explain the repository-native setup in the bundleddocs/codex-onboarding.md(relative to the plugin root, two directories above this file). - Read that workspace's
AGENTS.md,ROUTING.md, anddocs/safety-contract.mdcompletely. Use that workspace as the working directory. Do not mix installed-plugin code with another workspace's state. - For the operation the user requested, read its canonical
.agents/skills/context-setup/SKILL.md,context-start/SKILL.md,context-update/SKILL.md, orcontext-end/SKILL.mdin the selected workspace. Follow that file; do not substitute a plugin-local copy or infer an operation that would expand the request. - Start is read-only. Setup, update and end require a displayed proposal and explicit approval of its exact digest before apply. Never write lifecycle state directly, install hooks, or commit/push implicitly. Report receipts and verification limits. Plugin installation grants no extra authority.
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 · 28 lines · 38 tokens per session scan A a28e784c8dbb
contextos-workspace is a skill published in the GitHub repository conorbronsdon/agent-context-os (30 stars, last pushed yesterday), licensed MIT. It adds 38 tokens to every session and 365 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 2026-09-08.
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