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Google Apps Script: Get project files — MCP tool

Google Apps Script MCP tool: Reads the full source of a project — every file with its code.

Technical name: get_project_content

What task it solves

I want to read a script project's code.

Returns the project's complete file set: each file's name (no extension), type (SERVER_JS = .gs code, HTML, JSON = the appsscript manifest) and full source.

When to use it

Use it before any code change — merge mode addresses files by these exact names and replace mode needs the full new set including the manifest — or to read the code of an older immutable version via version_number.

What to provide

  • script_id — required. The script project id.
  • version_number — optional. Read the content of this immutable version instead of HEAD (the latest saved code).

What it returns

files[] with name, type, source and per-file update info as compact JSON.

What changes in Google Apps Script

Nothing — this is a pure read.

Example request

Show me the current code of script 1AbC..., then we'll refactor the onOpen function.

Errors and limitations

Requires the script.projects scope (or script.projects.readonly). File names carry no extension — Code, not Code.gs. Reading a version_number that does not exist returns 404; list valid numbers with list_versions.

Access also depends on token permissions, quotas, and upstream API limits.

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Technical details