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.
git clone --depth 1 https://github.com/tractorjuice/arckit-codexWrote 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/agents/tractorjuice/arckit-codex/arckit-gcp-research)<a href="https://agentmods.dev/agents/tractorjuice/arckit-codex/arckit-gcp-research"><img src="https://agentmods.dev/badge/agents/tractorjuice/arckit-codex/arckit-gcp-research/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/agents/tractorjuice/arckit-codex/arckit-gcp-research"><img src="https://agentmods.dev/badge/agents/tractorjuice/arckit-codex/arckit-gcp-research.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 | $0.00397 | $0.04100 |
| Opus 5 | $0.00198 | $0.02050 |
| Sonnet 5 | $0.00079 | $0.00820 |
| Haiku 4.5 | $0.00040 | $0.00410 |
Grade A, and why
arckit-gcp-research 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 9d 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.
The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
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.
- 9d ago First seen · 347 lines · 397 tokens per session scan A 97d7c1ea8aa4
arckit-gcp-research is an agent published in the GitHub repository tractorjuice/arckit-codex (16 stars, last pushed 5d ago), with no licence file. It adds 397 tokens to every session and 4,100 once invoked, about $0.0020 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.
Other agents, from other repositories
arckit-gov-landscape
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arckit-competitors-writer
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arckit-gcp-research
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arckit-gov-reuse
Use this agent when the user wants to discover reusable UK government open-source code before building from scratch. This agent searches 24,500+ government repositories via govreposcrape and assesses candidates for reusability. Examples: Context: User has a project and wants to check for existing government code user…
arckit-research-writer
Writer subagent invoked by /arckit:research (orchestrator). Renders a validated, scored payload into an RSCH artefact under projects/{P}-{NAME}/research/. Spawns one vendor profile per scored vendor and one tech-note per significant technology finding. Has no web/MCP/Agent tools — can only render structured input it…