B-checklist

B-checklist is an agent for coding agents from lukacf/meerkat. It costs 0 tokens per session (488 once invoked), scanned A, original, Apache-2.0.

A development checklist for the B work lane of Meerkat, a Rust-based system for running AI agents. It lists tasks for changing session APIs, runtime results, and SDK wrappers.

In plain words
What is it for?
It helps developers rename REST and RPC endpoints, add connection references to session creation, clean up public MCP results, and keep TypeScript, Python, and web SDKs aligned.
Why use it?
It makes a large set of related code changes trackable and defines what counts as finished for each task.

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/b-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 B-checklist

README.md
[![agentmods](https://agentmods.dev/badge/agents/lukacf/meerkat/b-checklist.svg)](https://agentmods.dev/agents/lukacf/meerkat/b-checklist)
Your own site
<a href="https://agentmods.dev/agents/lukacf/meerkat/b-checklist"><img src="https://agentmods.dev/badge/agents/lukacf/meerkat/b-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 488 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 $0.00488
Opus 5 $0.00000 $0.00244
Sonnet 5 $0.00000 $0.00098
Haiku 4.5 $0.00000 $0.00049

Measured 4d ago against content hash b9acbc06e84f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

B-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/B-checklist.md · 14 lines

What it actually says

Lane B Checklist

  • B-01 DOGMA-11 Rename RPC session-control catalog entries and handlers to the fixed public nouns. Done when the public RPC surface uses only status, submit, retire, reset, submission, and submissions.
  • B-02 DOGMA-11 Rename REST session-control routes and handlers to the fixed public nouns. Done when the REST route table and route tests use the renamed paths only.
  • B-03 DOGMA-27 Add connection_ref to REST, RPC, MCP-facing create-session helpers, and SDK create-session options. Done when all listed surfaces accept and forward connection_ref.
  • B-04 DOGMA-21 Remove raw runtime incarnation handles from public mob MCP results. Done when public spawn/member-send results expose only member_ref.
  • B-05 DOGMA-10 Finish late-cancel parity on public surfaces. Done when the request-executor result is the only late-cancel decision source.
  • B-06 DOGMA-11 DOGMA-27 Update SDK public wrappers and parity tests to the renamed session-control surface and connection_ref. Done when TS, Python, and Web wrappers align with the renamed public surface.
  • B-07 DOGMA-26 Unify realtime status semantics after EG1a. Done when RPC and websocket projection expose the same attempt_count semantics.
  • B-08 DOGMA-11 Add or extend a whole-tree scan banning the old session-control names. Done when the scan is checked in and wired for lane/final gating.
  • B-09 Self static review. Done when no compatibility shim remains in any reviewable commit.
  • B-10 Handoff note. Done when milestone boundaries, handoff commit, and risks are recorded in B-plan.md.
  • B-11 Generated-output request. Done when schema/catalog/SDK regen needs are recorded explicitly, 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 · 14 lines · 0 tokens per session scan A b9acbc06e84f

Subscribe to this mod's changes

B-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 488 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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