This skill should be used when the user asks to "organize the project rules", "clean up scattered documentation", "把规则迁移到 skills 目录", "优化 skill 路由", "提高 description 命中率", or "减少薄壳重复维护". Activate when a SKILL.md is too large, rules are duplicated across agent entry files, task routing or trigger_examples miss natural user language, or templates / thin shells / validation scripts need drift-resistant maintenance.
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Affichage de SKILL.md
SKILL.md
Instructions source · Aperçu en lecture seule
name
skill-based-architecture
description
This skill should be used when the user asks to "organize the project rules", "clean up scattered documentation", "把规则迁移到 skills 目录", "优化 skill 路由", "提高 description 命中率", or "减少薄壳重复维护". Activate when a SKILL.md is too large, rules are duplicated across agent entry files, task routing or trigger_examples miss natural user language, or templates / thin shells / validation scripts need drift-resistant maintenance.
Skill-Based Architecture
Restructure oversized single-file Skills or scattered project rules into a well-organized Skill directory. Builds on the official minimal Agent Skill contract (name + description) and kicks in when a single small SKILL.md is no longer enough.
When to Use
A single SKILL.md exceeds ~150 lines, mixing rules, workflows, and background material
Project rules are scattered across AGENTS.md, CLAUDE.md, CODEX.md, .cursor/rules/, .claude/, etc.
User explicitly requests Skill-based architecture or rule consolidation
When NOT to Use
Temporary repos with no durable instruction or task-routing need
Teams with a working documentation system that do not want to migrate
Do not force structured folders onto a small project; an explicit SBA request
may still materialize a complete direct SKILL.md carrier
Progressive Rigor
Grow only under pressure. The materializer derives Single-file,
Folder-light, or Full/broad internally from target evidence; users do
not select a tier, profile, capability pack, or install mode. routing.yaml,
Task Execution, Task Closure, maintenance checks, and each harness surface need
their own routing/loading/ownership pressure. Split by abstraction (骨架/肉)
when content tangles invariant design theory with current-code facts: abstract
theory → architecture/, code maps → references/, house style →
conventions/, per-module landmines → gotchas/ (methodology stays in
rules/). Downgrade when content shrinks. Details:
references/progressive-rigor.md.
Evidence-Selected Structure
# direct
skills/<name>/SKILL.md
# folder-light or broad: only admitted owners/directories
skills/<name>/{SKILL.md,rules/,workflows/,references/,scripts/}
# routing.yaml appears only when route data has an independent owner
# root/tool entry and registration surfaces appear only for proven readers
Existing root entries are preserved. Emitted routed entries use a generated
routing.yaml bootstrap; direct entries point to the sole SKILL.md procedure.
Cursor registration exists only when Cursor is detected, declared, currently
used, or explicitly requested. See REFERENCE.md for sources.
Core Principles
Single concise entry — SKILL.md keeps a dual budget: description ≤ 25 lines (trigger phrases + activation) + body ≤ 90 lines (navigation). It navigates, not exhausts. ✓ Check: smoke-test reports both separately; over either → split intent clusters / move detail to sub-files.
One skill folder when a folder is admitted — folder-light and broad results keep formal docs under skills/<name>/; a direct result may remain a complete single SKILL.md carrier. ✓ Check: no emitted root entry becomes a second rule/workflow owner.
Rules ≠ Flows — rules/ for constraints, workflows/ for procedures. ✓ Check: any numbered steps in rules/? Any "always/never" in workflows/? Either = mixing.
Routing.yaml as source when admitted — a direct carrier owns its sole
route in SKILL.md; multiple/shared routes live only in routing.yaml, with
routed shells generated from it. ✓ Check: is there an independent selector
or consumer that justifies the manifest, and does its fitted sync check pass?
Harness surfaces follow readers — create/merge only entries and
registrations supported by existing files/config, the current harness,
repository/team declaration, or an explicit request. ✓ Check: can every
emitted surface name its reader, and was every existing entry preserved?
Progressive Rigor — three carriers (Single-file / Folder-light / Full)
grow only under pressure and are not user package choices. ✓ Check: can you
name the independent responsibility that forced every generated file?
Description = coarse activation — domain boundary + real user trigger phrases; never enumerate workflow keywords nor summarize a workflow's steps — a step-summary becomes a shortcut the agent runs instead of reading the body (ref). ✓ Check: (a) can routing.yaml task routes change without rewriting the description? (b) does the description or any route label carry HOW an agent could act on without opening the body/workflow? "no" to (a) or "yes" to (b) → fix.
Gotchas are highest-value — maintain costly pitfalls actively; keep them discoverable. ✓ Check: is each high-cost gotcha activated by the admitted route owner (SKILL.md or routing.yaml), not only buried in references/?
Progressive disclosure — every loaded file needs an independent task-time reason; conditional content leaves the startup read set, and files every real caller co-loads should merge unless ownership/generation requires separate storage. ✓ Check: for each route read, can you name a request that needs it now and a next action it changes? No → conditionally route, merge, or remove it.
Common Pitfalls
Missing admitted harness surface — A project proves a Cursor/Claude/etc.
reader but its fitted registration/entry is absent → that harness never
discovers the formal owner. The opposite error is emitting every harness
without evidence and imposing permanent maintenance cost.
Wrong routing carrier — A routed shell says only "go read SKILL.md"
without the generated routing.yaml bootstrap, or a direct project gains an
empty manifest merely for uniformity → either recovery breaks or false
machinery appears.
Vague / wrong-scope description — Description is passive, wrong-language, too narrow ("fix bug" only), or bloated with every workflow keyword → skill misses natural requests or over-fires; keep description domain-level and route tasks in SKILL.md
Stored but not activated — or activated but inert — Costly pitfall recorded in references/ but not surfaced in an owning workflow checkpoint or canonical route when task selection changes → future agents still miss it. Subtler form: it is on the route and gets read, but it's "correct but inert" — written as a background fact, not as a next action — so the agent reads it and proceeds unchanged. Reachable ≠ useful; the entry must change what the agent does, not merely be present and correct
Completion responsibility lost during materialization — Agent considers
itself "done" after main work even though the admitted workflow/Closure owner
requires fitted verification or AAR. A simple workflow may own that behavior
inline; an independent task-closure.md is not required merely for form.
Pure Q&A/read-only tasks remain exempt.
Project-specific records — Lessons written as project narratives ("in our product module, we found…") instead of reusable knowledge → useless outside current context; apply generalization rule before recording
No SessionStart hook on long sessions — /clear or /compact silently drops SKILL.md from context; agent loses all routing and protocol awareness without the user noticing → install SessionStart hook if your harness supports it (see references/thin-shells.md § SessionStart Hook)
Route skipping in multi-task sessions — Agent reads SKILL.md for the first task, then skips re-reading for subsequent tasks in the same session ("I already know the rules"). New tasks may match different routes; context may have been compressed. Result: agent works from partial/stale memory, misses critical rules, debugs in wrong direction for hours → SKILL.md template ships a tiered Session Discipline (re-match the route every task; re-read files only on route-change or compaction — cheap re-match catches different routes without re-reading everything); all shells carry the trigger
Content Classification
Content type — tier by abstraction: 骨架 (architecture/workflows/rules = invariant theory) vs 肉 (conventions/gotchas/references = current-code facts) · split playbook
Target
Kind
Abstract design theory — layering/contract/orchestration/transaction principles, the "why" (NOT the module map)
Task Execution + Closure — after route selection, only one clear read-only or fixed-contract maintenance action/check with no new desired behavior executes directly. Any request that adds or changes user-visible behavior, a business flow/state, or an external contract follows requirement-ready -> Task Anchor -> implementation-ready -> Native Plan -> mutation: an incomplete Requirement returns understanding, real risk/conflict, and the minimum normative question; a clear one needs no ceremonial confirmation; code owner and Current -> Target are proven before implementation steps. The Requirement is the target, the Anchor is its Goal/Done When/Boundaries projection, and the Plan is only its revisable implementation means. Present alignment proportionally, do not repeat visible native steps, and run a compact Anchor Checkpoint before every main step. Enter the applicable completion owner: a simple workflow may inline fitted verification/AAR/completion, while an independent Task Closure owner is materialized only when its own lifecycle pressure is admitted (ref). Workflow remains the domain procedure; Native Plan is only this Session's runtime step owner, with no planning-file persistence. ✓ Check: immediately before mutation, can you name the governing Requirement, Task Anchor projection, proven Current -> Target binding, active Plan step, and applicable completion proof without letting the Plan redefine its target?
Durable-record rule — generic records generalize across projects; business global models stay project-specific but must survive implementation replacement (ref). ✓ Check: use the destination's test—cross-project pattern or cross-implementation business truth—without mixing code details into either.
Self-maintenance — line counts signal evaluation, not automatic action. Split only for independently selected tasks; merge files universally co-loaded/co-changed unless ownership or generation explains the boundary. ✓ Check: can the before/after load matrix prove less irrelevant reading without losing definitions, conditions, boundaries, or reasons?
Activation over storage — content in references/ alone is not "captured"; it must be on the task path and change what the agent does when read. Reached-but-inert (correct, on-route, yet the agent would have proceeded identically without it) is a distinct failure from absent or unreachable — and no structural gate (orphan / route-reachability / smoke-test) can see it, only judgment can. ✓ Check: (a) trace the normal route — Agent hits the entry without hunting? (b) does hitting it change the next action — a file it now reads, a check it now runs, a step it now skips? "no" to either → stored, not activated.
Token efficiency — Always Read defaults to empty; every addition needs proof that all real tasks require it before workflow selection. Domain and lifecycle knowledge loads only when evidence or a phase boundary can change the next action. ✓ Check: can any startup read be delayed without changing the first workflow decision? If yes, move it to that workflow checkpoint.
Rationalizations Table — captures verbatim excuses from real pressure-test failures, organic or proven by a baseline run before shipping (ref, Phase 9). ✓ Check: every row traces to a real failure — no failure observed and unwilling to baseline it → imagined-pain, drop it.
Response discipline — output short, precise, direct answers; avoid process narration, self-congratulation, gratuitous confirmations, and requirement restatement. Correct objective errors neutrally; do not infer user stance. ✓ Check: does each sentence serve the explicit request? No → delete it.
Proof claims stay separated — fitted structural checks, source-disposition
migration evidence, and live Agent behavior prove different things. Green
structure cannot be promoted into semantic or behavioral correctness.
✓ Check: does the final claim name the exact layer actually run, and report
unavailable live evidence as no verdict?
Missing or performative Task Anchor / long-task drift — Agent starts a non-Simple task without a stable Goal/Done When, invents them only at the end, or dumps a fixed labeled block that duplicates the native Plan → use templates/skill/workflows/task-execution.md; keep the Anchor as runtime state, present only useful alignment, and run reboot-check.md before final validation/commit if the original constraints are no longer fresh
