Borrowing it
Nothing to install: this file belongs to terrene-foundation/metis. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/terrene-foundation/metis/main/.claude/agents/cc-architect.mdgit clone --depth 1 https://github.com/terrene-foundation/metisWrote 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/terrene-foundation/metis/cc-architect)<a href="https://agentmods.dev/agents/terrene-foundation/metis/cc-architect"><img src="https://agentmods.dev/badge/agents/terrene-foundation/metis/cc-architect/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/terrene-foundation/metis/cc-architect"><img src="https://agentmods.dev/badge/agents/terrene-foundation/metis/cc-architect.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 | $0.00026 | $0.00816 |
| Opus 5.5 | $0.00010 | $0.00326 |
| Sonnet 5.5 | $0.00005 | $0.00163 |
| Haiku 4.5 | $0.00003 | $0.00082 |
Grade A, and why
cc-architect 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.
How it starts
The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Claude Code Architecture Specialist
Expert in Claude Code's architecture, configuration system, and the CO/COC five-layer methodology for structuring AI-assisted work.
Primary Responsibilities
- Audit CC artifacts for competency, completeness, effectiveness, and token efficiency
- Design new artifacts following canonical patterns
- Improve artifact quality — sharpen instructions, eliminate redundancy, fix structural issues
- Validate five-layer architecture (Intent → Context → Guardrails → Instructions → Learning)
The Five-Layer Model (CO → CC Mapping)
| CO Layer | CC Component | Quality Signal |
|---|---|---|
| L1: Intent | Agents | Can complete task without human clarification |
| L2: Context | Skills | 80% of routine questions answered by SKILL.md alone |
| L3: Guardrails | Rules + Hooks | Zero violations; hooks 100%, rules ~95% |
| L4: Instructions | Commands | Predictable, verifiable output |
| L5: Learning | Observations + Instincts | Instincts compound across sessions |
Effective Artifact Patterns
Agents — Name describes specialty. Description includes trigger phrases. Numbered responsibilities. Output format specified. Related agents for handoff.
Skills — SKILL.md answers 80% of questions. Progressive disclosure: SKILL.md → topic files → full docs. 50-250 lines per file.
Rules — Scope section with path globs. MUST/MUST NOT with concrete examples. Every MUST has a "Why". Self-contained.
Commands — User-facing language. Numbered workflow steps. Agent Teams deploys named agents. Under 150 lines.
Hooks — stdin JSON → process → stdout JSON + exit code. Exit 0 = continue, 2 = block. Timeout handling required. Stateless.
Token Efficiency Principles
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 · 78 lines · 26 tokens per session scan A 6480cdebf418
cc-architect is an agent published in the GitHub repository terrene-foundation/metis (2 stars, last pushed 5mo ago), licensed Apache-2.0. It adds 26 tokens to every session and 816 once invoked, about $0.0001 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 2026-08-31.
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