A-checklist

A-checklist is an agent for coding agents from lukacf/meerkat. It costs 0 tokens per session (564 once invoked), scanned A, original, Apache-2.0.

A development checklist for the A work lane of Meerkat, a Rust-based system for running AI agents. It covers moving runtime decisions into dedicated lifecycle and protocol components.

In plain words
What is it for?
It helps developers reorganize peer-event handling, waiting and termination behavior, runtime turn state, and the tests that verify ownership of these decisions.
Why use it?
It reduces the risk that low-level shell code makes important lifecycle decisions in several different places.

Agent

Install

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.

agentmods
npx agentmods add agents/lukacf/meerkat/a-checklist
Clone the repo
git clone --depth 1 https://github.com/lukacf/meerkat

Wrote 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.

agentmods badge for A-checklist

README.md
[![agentmods](https://agentmods.dev/badge/agents/lukacf/meerkat/a-checklist.svg)](https://agentmods.dev/agents/lukacf/meerkat/a-checklist)
Your own site
<a href="https://agentmods.dev/agents/lukacf/meerkat/a-checklist"><img src="https://agentmods.dev/badge/agents/lukacf/meerkat/a-checklist.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 564 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.00564
Opus 5 $0.00000 $0.00282
Sonnet 5 $0.00000 $0.00113
Haiku 4.5 $0.00000 $0.00056

Measured 4d ago against content hash 8a49295683b1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

A-checklist 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 4d 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.

.rct-0.5-archive/round5/agents/A-checklist.md · 15 lines

What it actually says

Lane A Checklist

  • A-01 DOGMA-08 Move peer request/progress/terminal projection out of handwritten runtime ownership into a protocol or machine seam. Done when meerkat-runtime/src/runtime_loop.rs no longer owns the semantic projection logic directly.
  • A-02 DOGMA-08 Move peer terminal context-key ownership into the chosen projection seam. Done when runtime loop no longer assembles the canonical peer terminal key itself.
  • A-03 DOGMA-09 Move wait_all short-circuit and barrier semantics behind lifecycle authority. Done when shell code no longer decides “all terminal already” or barrier activation semantics as the semantic owner.
  • A-04 DOGMA-09 Move terminate-owner target scope behind lifecycle authority. Done when shell code no longer computes the authoritative non-terminal target set.
  • A-05 DOGMA-08 DOGMA-09 Add or update ownership tests for peer projection and ops lifecycle. Done when the new test coverage is ready for orchestrator execution.
  • A-06 DOGMA-13 Unify runtime-backed turn-state authority. Done for current runtime-backed turn flows: pre-start PrimitiveApplied and runtime dispatch no longer rely on LocalTurnExecutionState for authority decisions.
  • A-07 DOGMA-13 Extend the turn-state snapshot/handle contract for runtime-backed paths. Done when runtime-backed snapshot assembly does not join handle state with a local shadow state machine.
  • A-08 DOGMA-13 Remove runtime-backed WaitingForOps shadow-state dependence. Done when OpsBarrierSatisfied and follow-up transitions use the unified authority seam only.
  • A-09 DOGMA-13 Add or extend a defensive scan banning runtime-backed authority on LocalTurnExecutionState. Done when the A1b runtime-backed call sites are covered by the lane scan.
  • A-10 Self static review. Done: the A1b scan passes and the identified runtime-backed local-shadow authority sites were removed.
  • A-11 Handoff note. Done when handoff commit, changed files, and risks are recorded in A-plan.md.
  • A-12 Generated-output request. Done when any needed machine/schema/codegen follow-up is explicitly noted in the handoff, or marked none.
Changes

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.

  1. 4d ago First seen · 15 lines · 0 tokens per session scan A 8a49295683b1

Subscribe to this mod's changes

A-checklist is an agent published in the GitHub repository lukacf/meerkat (20 stars, last pushed today), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 564 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 2026-08-30.

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