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FableCut

MCPB · FABLECUT.MCPB · SCANNED AUG 3

Zero-dependency browser video editor AI agents drive via a JSON timeline over MCP; ffmpeg export.

Available components

−6 this week 42 Trust /100
Trust breakdown (6 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →

Supply Chain Security13
  • Malware scan not yet available for this package.Unverified
  • CVE data not yet available for this package.Unverified
  • No install/post-install scripts declared.Pass
  • Dependency-health data not yet available.Unverified
Provenance & Transparency45
Schema Quality & AI Usability70
  • AI-judged instruction clarity (good).Pass
  • Context-footprint check failed: tool/resource definitions use about 991 tokens (~141/item across 7 items; 7 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management0
  • Stability not yet verified: not enough scan history yet (needs a 30-day window).Unverified
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass

Unverified: 1 category

A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

mcpb · fablecut.mcpb

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Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 1 Aug 26 −6
    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
  • 27 Jul 26 +33
    • Tool coverage: unverified → 100 functional
    • First check of Schema quality: fail functional
    • First check of Schema quality: fail functional
    • First check of Tool coverage: 100 functional
    • First check of Schema quality: good functional
  • 26 Jul 26 15

    First indexed and scored.

    • We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 3 Aug 2026 · Analysed mcpb/https://github.com/ronak-create/FableCut/releases/download/v1.6.0/fablecut.mcpb

Provenance none

Ecosystem: mcpb · Outcome: none

MCP tools — 7 exposed · ~991 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.

Tool Tokens
fablecut_analyze_reference ~276

Analyze a reference video into an EDIT BLUEPRINT so a similar edit can be rebuilt with different footage over the same music. Returns: shot boundaries (cuts) with per-shot audio energy, music beats + BPM, a loudness curve, the detected drop, and extracts the reference's music track into media/ (registered in the project, ready to place on A1). Remake recipe: copy the reference's width/height/fps to the project, write `beats` into project `markers`, lay the extracted music on A1, then place one clip per blueprint `shot` at the same start/duration — pick calm footage for low-energy shots and action for high-energy ones, and make the biggest moment land on `drop`. See the 'Remake a reference video' section of fablecut_docs.

NameTypeReqDescription
pathstringyesThe reference video: an absolute file path (copied into media/ automatically) or an existing '/media/…' src
registerMusicbooleanExtract the reference's music and register it as project media (default true)
thresholdnumberScene-cut sensitivity 0–1 (default: adaptive 0.30→0.20→0.12). Lower it if obvious cuts are missed, raise it if too many false cuts.

No output schema declared.

No examples provided.

fablecut_docs ~112

Return the FableCut project schema documentation: clips, tracks, props, keyframe animation, transitions, and editing recipes. Read this before editing. TOKEN TIP: pass `section` to fetch only the '## …' section(s) you need (substring match, e.g. "props", "Recipes", "Remake") instead of the whole manual.

NameTypeReqDescription
sectionstringReturn only '## ' sections whose heading contains this text (case-insensitive). Omit for the full document.

No output schema declared.

No examples provided.

fablecut_get_project ~88

Get the FableCut project (the timeline document). TOKEN TIP: pass compact:true for a one-line-per-clip summary (ids, tracks, timings, non-default props) — usually all you need to plan an edit; fetch the full JSON only when you must inspect exact keyframes.

NameTypeReqDescription
compactbooleanReturn a compact human-readable summary instead of the full JSON

No output schema declared.

No examples provided.

fablecut_import_media ~62

Copy a local media file (video/audio/image) into FableCut's media library and register it in the project. Returns the created media entry (use its id in clips).

NameTypeReqDescription
pathstringyesAbsolute path to the source file on disk

No output schema declared.

No examples provided.

fablecut_patch_project ~235

Apply targeted edits to the FableCut project WITHOUT round-tripping the whole document — PREFER THIS over get+set for every edit (it is ~10-100x cheaper in tokens and merge-safe by design: it re-reads the latest document from disk, applies your ops in order, bumps revision once, saves atomically). Ops: {op:'addClip', clip:{…}} (id auto-generated if omitted) · {op:'updateClip', id, set:{…}} · {op:'removeClip', id} · {op:'addMedia', media:{…}} · {op:'removeMedia', id} · {op:'setProject', set:{name|width|height|fps|background|markers}}. updateClip merge rules: top-level keys are replaced (keyframes/transitionIn/transitionOut wholesale), `props` merges key-by-key, and setting any key to null deletes it. All-or-nothing: an invalid op aborts the whole patch unsaved.

NameTypeReqDescription
opsarrayyesEdit operations, applied in order (see tool description for shapes)

No output schema declared.

No examples provided.

fablecut_set_project ~170

Replace the FableCut project JSON. Pass the COMPLETE document (read with fablecut_get_project, modify, send back whole). Revision is auto-bumped; the open editor UI hot-reloads instantly so the user sees the edit live. CONFLICT-SAFE: if the project changed on disk since your last fablecut_get_project (e.g. the user tweaked something in the UI), the call errors instead of overwriting — re-read, re-apply your edit on top of the latest document, and retry.

NameTypeReqDescription
forcebooleanOverwrite even if the project changed since it was last read (discards those external/user changes). Only when the user explicitly asks.
projectobjectyesThe complete project document (see fablecut_docs for schema)

No output schema declared.

No examples provided.

fablecut_status ~48

FableCut video editor: ensure the editor web server is running (auto-starts it), and get the editor URL, project summary and media library. Call this first in a session.

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.