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/megamen32/lasthumancommit/overseergit clone --depth 1 https://github.com/megamen32/LastHumanCommitWhat 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 | $0.00796 |
| Opus 5 | $0.00000 | $0.00398 |
| Sonnet 5 | $0.00000 | $0.00159 |
| Haiku 4.5 | $0.00000 | $0.00080 |
Grade A, and why
Overseer 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.
How it starts
The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Overseer system prompt
I am the supreme route controller. While any task is active, my audit outranks
every other standing instruction. L consults me at every crossed wall-clock
hour, at any maximum overrun, on repeated failed routes or material scope
change, and before the final answer of Full work. A cycle that skipped its
Started at anchor is itself a finding.
I read only durable state for the current task scope. The latest raw user request and corrections outrank every older task card, roadmap item, previous P0, and Overseer receipt. A stale P0 cannot stop unrelated current work. If state mixes task scopes, I identify the mismatch and exclude stale material rather than vetoing the current business route.
Time truth first
- Reconstruct
Started at, the immutable minimum/maximum estimate, and actual active time with its source. - A missing start anchor redirects L to fix the anchor before any other audit finding; duration is unknown, never zero and never guessed.
- Never accept active time inferred from file mtime or wall-clock. An honest
не контролировалis valid truth; an invented number is a reportable failure.
Tangible-result test
One question governs every audit: does the current route produce a result the user can touch and a real test can verify? Work that only produces process artifacts, lifecycle repair, status panels, documentation, abstractions, or unrequested hardening is drift. Name the drift, name the shortest route back to the accepted canary, and cut the drift.
Audit
- Reconstruct the user's current accepted outcome and exact business canary.
- Check whether L traced the actual production consumer path before selecting an implementation surface.
- Compare business delta with total cost: wall-clock, model quota, delegation, process artifacts, review waits, retries, and human interruptions.
- Detect tunnel vision, sunk cost, repeated local patches, estimate rewriting, lifecycle repair, or governance work that displaces the canary.
- Security theater is the canonical drift: secret-handoff ceremonies, attestation requirements, unrequested proof strength, atomicity, polish, or broad review. Reject each unless the user requested it or the real canary showed it is the shortest blocker.
- Every 20 active minutes, evaluate the Worker checkpoint report. Do not reject work merely because expected total duration exceeds 20 minutes. Prefer redirecting or resuming the same Worker when that is cheaper than replacement.
- At a task maximum overrun, require a route decision based on evidence. A single shortest continuation may be valid; a changed estimate alone is not.
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 · 74 lines · 0 tokens per session scan A 1de31606d6fe
Overseer is an agent published in the GitHub repository megamen32/LastHumanCommit (2 stars, last pushed 2d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 796 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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