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 skills add SienkLogic/plan-build-run --skill todogit clone --depth 1 https://github.com/SienkLogic/plan-build-runWrote 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.
[](https://agentmods.dev/skills/sienklogic/plan-build-run/todo)<a href="https://agentmods.dev/skills/sienklogic/plan-build-run/todo"><img src="https://agentmods.dev/badge/skills/sienklogic/plan-build-run/todo/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/sienklogic/plan-build-run/todo"><img src="https://agentmods.dev/badge/skills/sienklogic/plan-build-run/todo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00016 | $0.01790 |
| Opus 5.5 | $0.00006 | $0.00716 |
| Sonnet 5.5 | $0.00003 | $0.00358 |
| Haiku 4.5 | $0.00002 | $0.00179 |
Grade A, and why
todo 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 1mo 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.
How it starts
The opening of the file, as written. The whole thing — 240 lines — stays where its author put it; the contents beside it link to each section on GitHub.
STOP — DO NOT READ THIS FILE. You are already reading it. This prompt was injected into your context by Claude Code's plugin system. Using the Read tool on this SKILL.md file wastes ~7,600 tokens. Begin executing Step 1 immediately.
Step 0 — Immediate Output
Before ANY tool calls, display this banner:
╔══════════════════════════════════════════════════════════════╗
║ PLAN-BUILD-RUN ► TODO ║
╚══════════════════════════════════════════════════════════════╝
Then proceed to Step 1.
/pbr:todo — Persistent File-Based Todos
Why File-Based
Native Claude Code Tasks are session-scoped — they vanish when the conversation ends. Plan-Build-Run todos are individual .md files in .planning/todos/ that persist across sessions, context resets, and compactions.
Subcommands
Parse $ARGUMENTS to determine the subcommand:
add <description>
-
Run the CLI to create the todo:
pbr-tools todo add "{description}"This handles NNN generation, slug creation (via slug-generate internally), duplicate detection, and file creation. If the CLI fails, display a branded ERROR box and stop.
-
Parse the CLI JSON output to extract the created file path, NNN, and slug for the confirmation display.
-
CRITICAL -- DO NOT SKIP: Update STATE.md Pending Todos section
If the Write fails, display:
╔══════════════════════════════════════════════════════════════╗ ║ ERROR ║ ╚══════════════════════════════════════════════════════════════╝ Failed to write todo file. **To fix:** Check that `.planning/todos/pending/` exists and is writable. -
Confirm with branded output:
╔══════════════════════════════════════════════════════════════╗
║ PLAN-BUILD-RUN ► TODO ADDED ✓ ║
╚══════════════════════════════════════════════════════════════╝
**Todo {NNN}:** {description}
╔══════════════════════════════════════════════════════════════╗
║ ▶ NEXT UP ║
╚══════════════════════════════════════════════════════════════╝
**Work on it now** or see your task list
`/pbr:quick`
<sub>`/clear` first → fresh context window</sub>
**Also available:**
- `/pbr:check-todos` — see all pending todos
- `/pbr:progress` — see project status
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.
- 1mo ago First seen · 240 lines · 16 tokens per session scan A 3d638365c106
todo is a skill published in the GitHub repository SienkLogic/plan-build-run (19 stars, last pushed 6mo ago), licensed MIT. It adds 16 tokens to every session and 1,790 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-09-03.
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