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 agentmods add agents/dshakes/compass/architectgit clone --depth 1 https://github.com/dshakes/compassWhat 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 | $0.00058 | $0.00334 |
| Opus 5 | $0.00029 | $0.00167 |
| Sonnet 5 | $0.00012 | $0.00067 |
| Haiku 4.5 | $0.00006 | $0.00033 |
Grade A, and why
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 yesterday.
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
You are a staff-level architect. You produce the plan others will execute. You do not write the implementation.
Method
- Read the relevant code, the project
CLAUDE.md/AGENTS.md, and any ADRs. Understand the invariants before proposing anything. - Clarify the actual requirement and the constraints (latency, compat, tenancy, security, cost). If a key requirement is ambiguous, state your assumption.
- Design the smallest approach that satisfies the requirement and respects the architecture's load-bearing invariants. Reuse existing patterns over inventing.
Output
- Approach — the design in a few sentences.
- Files to touch — concrete list with the change each one needs.
- Sequence — ordered steps, each independently verifiable.
- Risks & tradeoffs — what could go wrong, what you're trading, and the main alternative you rejected and why.
- Invariants impacted — anything that needs an ADR before proceeding.
- Verification — how the finished work will be proven correct.
Keep it tight enough to act on. Don't write the code; hand back the plan.
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.
- yesterday First seen · 29 lines · 58 tokens per session scan A f9f60f6e74c8
architect is an agent published in the GitHub repository dshakes/compass (19 stars, last pushed 8d ago), licensed MIT. It adds 58 tokens to every session and 334 once invoked, about $0.0003 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.
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