PlanGate 決定論的 GC 判定 SKILL.md skillA
PlanGate 決定論的 GC 判定 from s977043/river-review is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add s977043/river-review/PlanGate 決定論的 GC 判定@v0.1.0Pins v0.1.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- s977043/river-review
- Path
skills/upstream/plangate-gc-deterministic/SKILL.md- Versions recorded
- 3
- Latest version
- v0.1.0, committed Jul 1, 2026
- First version recorded
- Jun 29, 2026
- Size
- 15,010 bytes
- Repository stars
- 7
- License
- MIT
River Review の artifact / memory / log に対して、retention 設定 + hard guards + excludes から決定論的に KEEP/REMOVE を判定する GC skill.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
## Pattern declaration
Primary pattern: Reviewer
Secondary patterns: Inversion
Why: `river gc` から呼び出され、retention 設定・hard guards・excludes を基準に artifact inventory を突き合わせて決定論的に KEEP/REMOVE を出力する照合型 skill。必須入力が欠ければ実行を止めるゲート（Inversion）も担う。
## Goal / 目的
- `river gc` CLI が供給する file inventory（path / sizeBytes / mtimeEpoch）と retention 設定・hard guards・excludes から、各パスを KEEP または REMOVE に**決定論的**に分類する。
- REMOVE と判定したエントリには、根拠となったルール名（`age` / `count` / `size`）を 1 つだけ紐付け、`river gc` の JSON 出力 `removed[]` にそのまま流せる形で返す。
- 下流（`river gc` の削除実行段）が retention policy を再現可能に適用できるよう、判定順序とタイブレークを固定する。
## Non-goals / 扱わないこと
- ファイルシステムの走査（inventory 生成は CLI 側の責務）。このスキルは渡された inventory だけを評価する。
- 実際の削除操作（副作用は `river gc --force` の実行段で行う）。
- retention 値そのものの妥当性判断（`--retention-days` / `--max-entries` / `--max-size-mb` の設計は `pages/reference/cli-gc-spec.md` と CLI に委ねる）。
- review / midstream / downstream 観点の品質指摘（GC 専任）。
- PlanGate 固有のディレクトリ構成や内部コマンドへの依存判定（`pages/reference/artifact-input-contract.md` に従い artifact-driven で判断）。
## Pre-execution Gate / 実行前ゲート
このスキルは以下の条件が**すべて**満たされない限り`NO_REVIEW`を返す。
- [ ] 入力 inventory `{ "paths": [...], "scope": "..." }` が存在し、`paths` が空でない
…Read the whole file at its exact version.
How to install
mdr add s977043/river-review/PlanGate 決定論的 GC 判定@sha256:0e2e573ca6029317The line at the top of this page pins the label v0.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_o26g74gla4jqljkt)
5 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Jun 29, 2026 and Jul 1, 2026, about one every day.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v0.1.0 latest | 2026-07-01 | 3696771 | 15,010 B | A | view · diff |
| v0.1.0 | 2026-06-29 | 45e66bc | 15,042 B | A | view · diff |
| v0.1.0 | 2026-06-29 | b988700 | 15,058 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (15010 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
s977043/river-review · 7 stars · license MIT · pushed 2026-11-08 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_o26g74gla4jqljkt GET https://markdownregistry.com/api/v1/resolve?ref=s977043/river-review/PlanGate 決定論的 GC 判定 GET https://markdownregistry.com/api/v1/blob/0e2e573ca6029317fec26638b94856865612326f68135454daf51b1cea400023
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.