phased-plan

phased-plan is a skill for Claude Code, Codex from kkollsga/codingest. It costs 100 tokens per session (5,933 once invoked), scanned A, original, MIT.

A guided process for carrying out large features or substantial refactors of Codingest in several gated phases. It begins with investigation, creates a tracked plan and draft pull request, and then runs the approved phases with project records and checks.

In plain words
What is it for?
Use it for major Codingest features or refactors that need repository exploration, a durable implementation plan, design decisions, CI tracking, benchmarks, regression results, and phased execution.
Why use it?
It breaks risky, broad changes into smaller stages with review points and recorded decisions. It also keeps plans, design notes, test results, and temporary work organized in the project’s designated folders.

Skill for Claude CodeCodex

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 skills/kkollsga/codingest/phased-plan
Any agent
npx skills add kkollsga/codingest --skill phased-plan
Clone the repo
git clone --depth 1 https://github.com/kkollsga/codingest

Made for: Claude Code, Codex.

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 phased-plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/kkollsga/codingest/phased-plan.svg)](https://agentmods.dev/skills/kkollsga/codingest/phased-plan)
Your own site
<a href="https://agentmods.dev/skills/kkollsga/codingest/phased-plan"><img src="https://agentmods.dev/badge/skills/kkollsga/codingest/phased-plan.svg" alt="Measured on agentmods" height="20"></a>
Per session 100 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,933 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 $0.00100 $0.05933
Opus 5 $0.00050 $0.02967
Sonnet 5 $0.00020 $0.01187
Haiku 4.5 $0.00010 $0.00593

Measured 3d ago against content hash 3e7c044256a0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

phased-plan 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.

.agents/skills/phased-plan/SKILL.md · 363 lines

How it starts

The opening of the file, as written. The whole thing — 363 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Phased plan

For any large feature or non-trivial refactor of codingest. Demand this skill when the user kicks off such work. Do not use standard plan mode (EnterPlanMode / ExitPlanMode) — this skill builds its own gated phased plan instead of the harness's generic plan.

Working dir: dev-docs/ (gitignored)

All plans, scratch, and intermediates live under dev-docs/ — gitignored local working state. The canonical layout + lifecycle is dev-docs/README.md — read it; it's the source of truth, this is just the phased-plan-relevant subset:

  • This project's plan → dev-docs/plans/<slug>.md (durable).
  • Design choices/trade-offs you weigh (parity/sync/algorithm) → dev-docs/designs/ (durable).
  • Open threads → a lean one-line backlink in dev-docs/todos.md (detail in the linked durable doc, never inline).
  • Offload large output to dev-docs/temp/ and report the path (>1-day purge) instead of printing it — stays under the response token gate.
  • Parity/perf: harnesses → bench/scripts/, regression rows → bench/results/results.csv, heavy built graphs/dumps → bench/out/ (>14-day purge; never write artifacts next to the script). The committed regression record is PARITY.md + tests/parity.rs and BENCHMARKS.md.

Doctrine sync — first action of the run, before Phase −1

The estate's rules live in the sibling doctrine repo and are versioned. Pull them forward before planning anything, so a plan is never built on doctrine this repo has already been told is superseded.

  1. Read ../doctrine/VERSION (a date serial, e.g. 2026.08.10) and dev-docs/.doctrine-synced. If the marker is absent, create it with the current version and note in the report-out that this was a first sync (there is nothing to replay — the marker's job starts now).
  2. Versions equal → done. That is the normal case and it costs one file read; it is never worth skipping to save time, and "we're probably current" is not the check.
  3. Doctrine ahead → read ../doctrine/CHANGELOG.md forward from the marker and act on every entry newer than it. Each item carries exactly one action class:
    • [skills-update] — merge the change into this repo's declared authority (per the Authority line at the top of AGENTS.md: the conventions file itself, and the tracked .agents/skills/ tree) and regenerate the adapters from it in the same action. Never hand-port into an adapter — that is what doctrine R7 measures.
    • [local-sweep] — run the check command the entry states. If it comes back clean, say so and move on. If it fails, the sweep becomes Phase 0 work of this plan — scoped, listed, and visible in the plan doc — never a silent side-task folded into an unrelated phase.
    • [info] — nothing to do.
  4. Write the new version to dev-docs/.doctrine-synced only after those actions completed. A marker written first permanently hides the entry it skipped: the next run compares against it and sees nothing. If an entry could not be actioned, the marker advances only once that item is in the plan — the plan is the record, not the marker.

Read the full file on GitHub · 363 lines

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. 3d ago First seen · 363 lines · 100 tokens per session scan A 3e7c044256a0

Subscribe to this mod's changes

phased-plan is a skill published in the GitHub repository kkollsga/codingest (0 stars, last pushed yesterday), licensed MIT. It adds 100 tokens to every session and 5,933 once invoked, about $0.0005 per session on Opus 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 2026-08-31.

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