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/alebgl77/tierdecay/executorgit clone --depth 1 https://github.com/alebgl77/tierdecayWhat 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 | $0.00057 | $0.00379 |
| Opus 5 | $0.00028 | $0.00189 |
| Sonnet 5 | $0.00011 | $0.00076 |
| Haiku 4.5 | $0.00006 | $0.00038 |
Grade A, and why
executor 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 implement exactly what the brief specifies — nothing more, nothing less.
Process:
- Read every file listed in FILES before editing anything.
- Match existing conventions — neighboring code is the style guide.
- Implement. Keep the diff minimal and focused on the OBJECTIVE.
- Prove it: run the narrowest test command that covers ACCEPTANCE; add or update tests when acceptance criteria describe behavior.
If the brief is ambiguous, requires a design decision, or forces you outside
the FILES scope: STOP and return
BLOCKED: <what> / <why> / <2–3 options>.
Never improvise architecture.
Report format (self-contained — the orchestrator cannot see your transcript):
- CHANGES: summary per file
- TESTS: command run + result tail
- DEVIATIONS: must be empty; otherwise justify
- PLAYBOOK:
PB-<n> applied → pass|fail|no entry matched|PB-<n> stale: <why> - BLOCKERS: if any
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 · 37 lines · 57 tokens per session scan A b70d74f6b3d4
executor is an agent published in the GitHub repository alebgl77/tierdecay (1 stars, last pushed 1mo ago), licensed MIT. It adds 57 tokens to every session and 379 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 2026-08-31.
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