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 alonf/specrew --skill phase-bounded-plan-surfacegit clone --depth 1 https://github.com/alonf/specrewWrote 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/alonf/specrew/phase-bounded-plan-surface)<a href="https://agentmods.dev/skills/alonf/specrew/phase-bounded-plan-surface"><img src="https://agentmods.dev/badge/skills/alonf/specrew/phase-bounded-plan-surface.svg" alt="Measured on agentmods" 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 | $0.00000 | $0.00249 |
| Opus 5 | $0.00000 | $0.00125 |
| Sonnet 5 | $0.00000 | $0.00050 |
| Haiku 4.5 | $0.00000 | $0.00025 |
Grade A, and why
phase-bounded-plan-surface 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 3d 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.
What it actually says
phase-bounded-plan-surface
Purpose
Extend a planning template for a later lifecycle phase without falsely implying that execution, evidence, or enforcement for that phase is already complete.
When to Use
- A template needs a new section for a future quality or governance phase.
- The current task only owns planning/rendering, not the runtime or validator implementation behind it.
- Later tasks will fill in execution evidence, routing outcomes, or enforcement behavior.
Pattern
- Add artifact-location fields first so later work has an explicit home.
- Render planning tables for the phase's required focus areas, but keep the cells as fill-in placeholders rather than synthesized outcomes.
- Separate routing or activation intent from effective execution evidence.
- Add explicit later-deferral bullets for any lifecycle behavior not yet delivered.
- Reconcile the active iteration's plan/state/drift bookkeeping so the completed template task is recorded without claiming downstream tasks have started.
Anti-Patterns
- Writing the template as if line-by-line review evidence already exists.
- Collapsing planning intent and runtime-effective results into one field before the execution path exists.
- Hiding deferred follow-on work inside vague task titles instead of naming it explicitly in the template.
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.
- 3d ago First seen · 26 lines · 0 tokens per session scan A 3e221ee7baa3
phase-bounded-plan-surface is a skill published in the GitHub repository alonf/specrew (54 stars, last pushed 5d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 249 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 2026-09-03.
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