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FabledScribe/plugin/README.md
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feat(frontend): the app says what it is running, and says so honestly when it cannot find out (#3329)
#3127 checklist 12, plus rule 27 — a capability with no surface the operator
can touch is not shipped.

The step was planned on the premise that nothing read `/api/version`. Two
things did, and the state was worse than nothing:

- `App.vue` fetched it, wrote `version` into a ref initialised to the literal
  `"dev"`, and swallowed the error. An instance that could not answer rendered
  EXACTLY what a healthy local build renders. That is checklist 12's named
  failure — a blank standing in for `unknown` — in the one readout whose whole
  job is to say what is running, and it would have made #3298's debugging
  session no cheaper.
- `SettingsView.vue` fetched the same endpoint again on every mount and wrote
  the result into a local ref no template ever read. A duplicate request whose
  answer was discarded.

So this is not "add a readout"; it is "make the existing one honest, and give
it the three fields nobody could see."

The readout — Settings → Config, first section, beside the other "what is this
instance doing" facts. Three states kept apart, because collapsing any two of
them is the defect:

  not asked yet (tab unopened)   nothing
  answered                       the values, each ABSENT field as "unknown"
  the fetch itself failed        its own message, with a retry

`version` and `channel` prominent, `commit` in full with a copy button so it
can be pasted into a `:sha` lookup (rule 145 — the registry's identity and the
artifact's own must be checkable against each other), `build` kept because its
ABSENCE is the diagnostic part: no ordering key means this build is not in any
update order, which is what a local or hand-built image looks like.

Absence, not falsiness. The payload omits what it does not know rather than
sending `""` or `0` (see `build_version_payload`), so the renderer uses `??`
throughout — `build` is a number and `0` is a legitimate ordering key, which
`||` would report as unknown. `tests/test_version_readout.py` pins that
operator specifically, along with the "no plausible default" property, because
`||` is the form a person reaches for by habit.

Rule 156 — the fetch carries a deadline. This readout is consulted when an
instance is misbehaving, which is exactly when it may never answer; without one
the surface sits on "still loading" forever, which is the same blank arrived at
from the other direction. `apiGet` gains an OPT-IN `timeoutMs` rather than a
default, so no existing call site's behaviour moves. Every other call in the
client still has no deadline — reported separately, not fixed here.

No frontend test runner exists, so verification is the typecheck lane plus four
source-inspection guards in the unit lane, each pinning one property.

Also folded in: `plugin/README.md` now leads with the mint script and offers
`make` second, since `make` is not installed on every workstation.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TcCs1CcQ1ormdnzSshKqvN
2026-09-02 11:23:43 -04:00

4.9 KiB

Scribe plugin for Claude Code

Turns a self-hosted Scribe instance into a first-class Claude Code extension:

  • MCP tools over your notes, tasks, projects, milestones, systems, and rulebook (the scribe server).
  • Session-start push channel — a SessionStart hook injects your always-on rules + active-project context so Scribe surfaces without being asked.
  • Prior-art recall on writes — a PreToolUse hook on Write/Edit checks the file about to be written against your recorded snippets (what's kept at that path, and what resembles the code) and offers them before the helper is rewritten. Titles only, never blocks the edit.
  • Universal process-skills — using-scribe, writing-plans, systematic-debugging, verification, brainstorming, reusing-code (record and recall reusable code as snippets). Replaces superpowers.
  • Your Scribe Processes as skills — saved Processes are synced into local ~/.claude/skills/scribe-proc-* stubs that auto-surface by relevance; the stub fetches the live procedure via get_process. Refreshed each session and on demand with /scribe:sync.

It is designed so you can uninstall superpowers and disable auto-memory and depend on neither.

Install

The plugin ships inside the Scribe app repo, so the marketplace is that repo — you always get the plugin version that matches your Scribe instance.

/plugin marketplace add https://git.fabledsword.com/bvandeusen/FabledScribe.git
/plugin install scribe@scribe-plugin

On install you'll be asked for:

Setting What
Scribe base URL e.g. https://scribe.example.com (no trailing slash)
Scribe API key an fmcp_ key from Settings → API Keys (stored in your OS keychain)
Active project id optional — numeric project id to scope the session-start context

What gets wired

  • plugin.json mcpServers → the scribe MCP server at <base URL>/mcp (Bearer auth).
  • hooks/hooks.json → SessionStart hook (hooks/scribe_session_context.sh), fail-open: if Scribe is unreachable it injects nothing and never blocks the session.
  • hooks/hooks.json → PreToolUse hook on Write|Edit (hooks/scribe_prior_art.sh) → GET /api/plugin/prior-art. Returns additionalContext with no permission decision, so it can inform the write but never stop it; silent when nothing is recorded, which is most of the time. Two framings: a REUSE menu (similar/nearby records), and a SYNC nudge when a snippet records the exact file being edited — "updating the record is part of the edit" — each with its own once-per-session dedup. A third, ledger-fed line names a duplicate family (no canon) or a canon recorded elsewhere for the names being written (its own dedup channel, exclude_derive). Fail-open but not fail-silent: a configured instance that does not answer in time is said, once per outage ("Scribe did not answer … this write went UNCHECKED"), so a session can tell "checked, nothing there" from "never checked"; an answer clears the marker. The local by-name arm needs no server and always runs. Toggle in Settings → Knowledge auto-inject.
  • hooks/hooks.json → PostToolUse hook on Bash (hooks/scribe_after_write.sh): code written through sed/heredocs/scripts never reaches the PreToolUse hook, so this one diffs the working tree after every Bash call (per-session path+blob snapshot; one git status when nothing changed) and runs the same arms on the definitions just written, through the same endpoint and the same dedup channels. additionalContext only; never blocks, and shares the pre-write hook's once-per-outage "did not answer" line (8 s budget here — it runs after the tool, so it gates nothing). The extractor, the prose/data skip list, the local by-name duplicate arm and the outage line are shared in hooks/scribe_defs.sh.
  • skills/ → the universal process-skills, surfaced by description match.
  • hooks/scribe_sync_processes.sh (a 2nd SessionStart hook) + the /scribe:sync command → generate ~/.claude/skills/scribe-proc-* stubs from your Scribe Processes (via GET /api/plugin/processes); also fail-open, and pruned to match what exists in Scribe.

Notes

  • Do not hand-edit version in .claude-plugin/plugin.json. It is minted from the clock — run python3 scripts/mint_plugin_version.py (or make mint-plugin, where make is installed) after changing anything under plugin/, and commit the result. The installer decides whether to refresh the cache it executes from by comparing that string, so content that ships without a new version reaches the repo and stops there (#2209). CI fails the lane if you forget.
  • The session-start, auto-inject and prior-art hooks need only a read-scoped key; the MCP tools need write scope to create/update. Every hook is a GET for that reason — a read key cannot POST.