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indesign-scripting-mcp: Skill for Cursor

.cursor/skills/indesign-mcp-operator/SKILL.md

indesign-mcp-operator is a skill for Cursor from MoebiusSt/indesign-scripting-mcp. It costs 59 tokens per session (2,053 once invoked), scanned A, original, MIT.

A set of instructions for controlling Adobe InDesign through connected tools and scripts. It checks the document, looks up InDesign's programming interface, applies changes, verifies them, and can undo unsafe changes.

In plain words
What is it for?
Use it for automated InDesign editing, ExtendScript or JSX scripts, finding document objects and methods, checking selections or document state, and undoing failed changes.
Why use it?
It reduces mistakes when automating InDesign, especially when a script changes a document in an unexpected way. It also provides rules for safely handling temporary and lasting document labels.

Skill for Cursor

Written for Cursor: installed under .cursor/.

This is MoebiusSt/indesign-scripting-mcp's own configuration. It tells Cursor how to work on indesign-scripting-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything indesign-scripting-mcp configures →

not rated 2repo changed yesterday A scan 59 tokens original MIT
View source ↗ MoebiusSt/indesign-scripting-mcp
Reuse

Borrowing it

Nothing to install: this file belongs to MoebiusSt/indesign-scripting-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/MoebiusSt/indesign-scripting-mcp/main/.cursor/skills/indesign-mcp-operator/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/MoebiusSt/indesign-scripting-mcp

Made for: Cursor.

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Per session 59 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,053 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00059 $0.02053
Opus 5.5 $0.00024 $0.00821
Sonnet 5.5 $0.00012 $0.00411
Haiku 4.5 $0.00006 $0.00205

Measured yesterday against content hash df96b8151f48, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

indesign-mcp-operator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursor/skills/indesign-mcp-operator/SKILL.md · 135 lines

How it starts

The opening of the file, as written. The whole thing — 135 lines — stays where its author put it; the contents beside it link to each section on GitHub.

InDesign MCP Operator

Goal

Execute InDesign tasks safely and repeatably with the indesign-dom and indesign-exec MCP servers.

Prerequisites (Cursor)

  • MCP servers indesign-dom and indesign-exec must be enabled in Cursor Settings → MCP.
  • InDesign Desktop must be running (Exec server uses Windows COM/OLE).
  • Read each tool schema under the MCP descriptors before calling tools.

MCP Tool Access (Cursor)

Purpose MCP server Example tools
DOM lookup indesign-dom knowledge_overview, search_dom, lookup_class, get_method_detail
JSX execution indesign-exec get_quick_reference, get_gotchas, run_jsx, eval_expression, get_document_info, undo, get_change_log
Acceptance checks indesign-exec typography_audit, preflight_document

Server names may appear with a scope prefix (e.g. user-indesign-dom) depending on whether they were added at user or project level. Match by the indesign-dom/indesign-exec suffix, not by exact string.

For ambiguous class names (Window, Group, Panel, Event), pass source (dom, javascript, or scriptui).

Workflow

  1. Inspect current state.
  2. Look up API facts.
  3. Run JSX with explicit undo policy.
  4. Verify outcomes.
  5. Roll back if needed.
  6. Capture new learnings.

Required Sequence

For non-trivial tasks, run these steps in order:

  1. get_quick_reference() (exec server)
  2. get_gotchas(context) (exec server)
  3. DOM lookup (search_dom, lookup_class, get_method_detail, ...) on dom server
  4. run_jsx(...) with:
    • undo_mode="entire" for any mutation
    • a descriptive undo_name (Agent: <task>)
  5. Verification (eval_expression, get_document_info, get_selection)
  6. If result is wrong: run some targeted corrective attempts first; use undo(steps=1) immediately only when document state is uncertain, partially corrupted, or broad rollback is safer than incremental fixes.

For strictly read-only checks, use undo_mode="none".

Read the full file on GitHub · 135 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday Changed · +15 lines df96b8151f48
  2. 21d ago Changed · +7 lines f5e595731750
  3. 1mo ago Changed · +35 lines 8b32f87b3140
  4. 2mo ago First seen · 78 lines · 59 tokens per session scan A f816088e874a

Subscribe to this mod's changes

indesign-mcp-operator is a skill published in the GitHub repository MoebiusSt/indesign-scripting-mcp (2 stars, last pushed yesterday), licensed MIT. It adds 59 tokens to every session and 2,053 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Creative and mediaDesign and UX
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