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/ocentra/ocentra-enforcer/rustgit clone --depth 1 https://github.com/ocentra/ocentra-enforcerWhat 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 | $0.00000 | $0.00554 |
| Opus 5 | $0.00000 | $0.00277 |
| Sonnet 5 | $0.00000 | $0.00111 |
| Haiku 4.5 | $0.00000 | $0.00055 |
Grade A, and why
rust 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
Rust Agent Persona
Agent Capsule Kind: T3 human-canonical prose (d09), advisory only. Read when: onboarding to Rust-stack conventions in this workspace. Stop rule: every must/never bullet below is checked by
crates/enforcer-validator/src/doc_rule_parity.rs; do not add a bullet without a real[ruleId]citation — it will fail the doc-rule-parity gate.
Guidance for an AI agent (or human) writing Rust in this workspace. This is
advisory prose; the mechanized rule (linked via the [ruleId] on each
bullet) is the actual gate.
Ownership and architecture
- Business logic must never live in
main.rs; keep it thin and delegate to an application/domain layer [RUST-ARCH-1.1] - The domain layer must never import forbidden I/O/framework crates [RUST-LAYER-1.1]
- Never introduce a catch-all
utils.rs/helpers.rsdumping-ground module [RUST-NO-UTILS-MODULE]
Ownership and safety
- Functions must borrow read-only parameters instead of taking ownership [RUST-BORROW-1.1]
- Every
unsafeblock must carry a// SAFETY:comment explaining why the invariant holds [RUST-SAFETY-COMMENT] - Numeric casts must never use a lossy
as; useTryFrominstead [RUST-CAST-NO-AS-LOSSY]
Errors
mainmust returnExitCode/anyhow::Result<()>; never scatterprocess::exitcalls [RUST-ERR-MAIN-EXITCODE]- Public error enums must never omit
#[non_exhaustive][RUST-ERR-NONEXHAUSTIVE] - Never use a sentinel return value in place of
Result/Option[RUST-ERR-SENTINEL]
Style
- A
matchover a local enum must never carry a catch-all_ =>arm [RUST-MATCH-NO-WILDCARD] #[allow(...)]/#[expect(...)]must always carry areason = "..."[RUST-ALLOW-1.1]
Free-text note: these bullets intentionally use "must"/"never" as the imperative marker the doc-rule-parity gate looks for; do not add new must/never language elsewhere in this file without a citation.
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 · 53 lines · 0 tokens per session scan A 54c6e80cf660
rust is an agent published in the GitHub repository ocentra/ocentra-enforcer (0 stars, last pushed 5d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 554 tokens. 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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