Storing a design system never made a session aware of one. Rules get pushed into every session by the SessionStart hook and returned by enter_project; a design system had neither, so its standards were reachable only by an agent that already knew to call resolve_design_system — the same silent failure as a token nobody declares. That gap was invisible while the operator's visual standards also lived in a rulebook. Retiring that rulebook (which is what this unblocks) would have deleted design guidance from every session with nothing to say so. - services/design_systems.design_context() — the delivery side. Guidance is chain-merged ANCESTOR-FIRST: a child system holds only what it CHANGES, so its own guidance describes a departure from a house style it never restates, and the leaf alone is a fragment. Tokens are summarised (count + group names), not listed — a hundred declarations would crowd out the context they are meant to inform. - enter_project returns `design_system`, null when the project has none. - The SessionStart context gains a Design system block with pointers to the values, alongside the always-on rules. - server.py's entity list gains Design system, including the negative: do NOT record one as a rulebook, because a token kept as prose cannot be resolved, inherited, rendered or checked. - The rulebook-tier passage used "a design-system rulebook" as its worked example of a subscribed rulebook — it now teaches the opposite, plus a new "is this a rule at all?" test pointing at design systems, processes and snippets. - using-scribe gains a section on building UI against the project's system. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UaYUaouG9jjhATyuxCKrQs
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name: using-scribe description: Use at the START of every session, and before answering anything about the operator's work or starting any task — establishes the Scribe-first reflex. FIRST ACTION of a session: call list_always_on_rules() (and enter_project when a repo/project is in scope) to load the operator's binding rules. Then recall before acting, update over duplicate, plan in Scribe not in files.
Using Scribe
Scribe is the operator's self-hosted system of record (notes, tasks, issues,
projects, milestones, systems) and rulebook, reachable
through the bundled scribe MCP server. Its value is mostly in what it
already holds — so make reading it a reflex, not something you wait to be
asked for.
Do this first (every session)
Pull the standing rules yourself — do not wait for them to be handed to you.
At the start of a session, before substantive work, call
list_always_on_rules() to load the operator's always-on rules. If the working
repo maps to a Scribe project (you're in a known repo, or list_repo_bindings
shows a binding), call enter_project(id) instead/as-well — it returns the
project plus its applicable rules, open tasks, and recent notes in one shot.
Do this actively. A SessionStart hook may also inject a rule index, but treat that as a bonus, not a precondition: it can be absent (e.g. when the instance is unreachable, or the token didn't reach the hook), so the reliable path is this explicit pull. Rules loaded this way are binding for the session.
Scribe holds these functions — don't keep a second copy
This plugin makes Scribe the home for the operator's rules, recall, and
planning — the jobs Claude's native auto-memory would otherwise do. When the
plugin is present, route those jobs to Scribe and do not also write them to
native memory: codify rules with create_rule / create_project_rule,
capture durable knowledge as Scribe notes, and keep plans in Scribe milestones
(via start_planning) — not in MEMORY.md or CLAUDE.md. One copy, in Scribe; let any existing local
memory shrink as Scribe takes over. Don't maintain both stores in parallel.
Two constraints on how that's achieved:
- Steer behavior; never flip a native switch. The plugin must work with
native auto-memory at its default (ON). Never tell the operator to set
autoMemoryEnabled:falseor otherwise disable a built-in function to make Scribe "win" — a setting the operator may not know was changed (and wouldn't know to restore) is exactly the hidden breakage to avoid. You replace memory's functions by doing the work in Scribe, not by turning memory off. - A Scribe-shaped hole is acceptable. If the plugin is later removed, the operator recovers context over time — that's fine. You do not need to keep native memory as a self-sufficient fallback. The only thing to avoid is breakage caused by a settings change the operator didn't make knowingly.
The reflex
-
Recall before acting. Before answering a question about the operator's work, or starting a task,
searchScribe (andlist_tasks/list_notes) for related prior work — an existing task, decision, or note — instead of re-deriving it or opening a duplicate. When a project is in scope, pass itsproject_idso results stay scoped. -
Standing rules are binding. Load them via
list_always_on_rules()at session start (see "Do this first"); treat every one as binding. Pull a rule's full statement withget_rule(id)when it's about to bite. When a project is in scope,enter_project(id)also returns its applicable rules. -
Update over duplicate. When recording, prefer updating an existing note/rule/task over creating a new one. Search first; revise what's there.
-
When you plan, plan in Scribe. Work with an arc — several steps toward one goal — gets a plan, and a plan is a milestone:
start_planning(project_id, title)creates one whosebodyholds the design, each step is its own task under it (create_task(milestone_id=...)), progress goes in work-logs (add_task_log). Work without an arc (a fix, a one-file change, a question) is just a task — don't wrap it in a milestone. Either way, do not write plans/specs to local.mdfiles. See the writing-plans skill. -
Keep state honest. Set a task
in_progresswhen you start it,donethe moment it's complete; log progress as you go. -
Fixes are issues, not work-logs. When you fix a problem — even one solved in passing — record it as its own issue (
create_task(kind="issue")) with symptom → root cause → fix, optionally linked to the task it arose from (arose_from_id) and the subsystem it touches (system_ids). Don't bury a fix as a work-log line on whatever task happened to be open.
Stay inside the active project's scope
Once a project is in scope — you called enter_project, or the working repo is
bound — confine the session to it:
- Pass that
project_idto every read (search,list_tasks,list_notes). An unscoped read bleeds every other project's work into your context. - Only reference or offer work on the in-scope project. Don't surface, suggest, or start work on other projects unless the operator explicitly widens scope.
- If something clearly belongs to a different project, say so and ask before switching — never silently operate cross-project.
Where a new rule goes
When codifying a rule, pick its home by who it should bind — and keep shared homes general:
- Always-on rulebook (
create_rulein analways_onrulebook) — universal norms that bind every project. Cross-project standards only. - Subscribed rulebook (
create_rule+subscribe_project_to_rulebook) — a reusable, themed module of general rules that binds only projects that opt in (e.g. a review checklist → every service). Themed, but project-agnostic. - Project rule (
create_project_rule) — anything specific to one project (its files, paths, quirks).
Both rulebook tiers are shared, so their rules stay general; they differ in reach (all vs opt-in), not generality. Names one project's specifics → project rule; a standard a category shares → subscribed rulebook; a universal norm → always-on rulebook. Never put project-specific detail in a shared rulebook — it leaks to every other project that gets it.
First ask whether it's a rule at all. A rule is prose you have to remember and apply; Scribe's other entities are structure a tool can resolve and check. Visual standards belong in a design system, not a rulebook — a token can be inherited, resolved per mode, rendered to a stylesheet and diffed against code, and none of that survives being written as a rule. A repeatable procedure is a process; reusable code is a snippet. Reach for a rule when the thing really is a standing instruction about how to work.
Building UI: the project's design system binds
enter_project returns a design_system when the project has one, with the
guidance chain-merged — the house style it inherits plus its own departures
from it. Treat it the way you treat a rule.
Before writing a colour, size, radius, weight or duration by hand, reach for a
token: resolve_design_system(id) for the values, or
get_design_system_stylesheet(id) for the rendered sheet. A literal is a value
stated outside the system, so it can never follow a palette change — and
nothing will tell you it drifted.
Other Scribe process-skills
This plugin also ships focused process-skills — writing-plans, systematic debugging, verification, and brainstorming. Reach for the matching one when its situation arises, the same way you reach for this skill.