The MCP server is in public beta. It is open to use and still being refined, so tools and behavior may change.
Tool
update_vault_column · Behavior Destructivecustom column can be changed; GC AI owns the built-in and system columns and refuses. Changing the type of an AI column re-reads the documents that already have a value for it, which counts against the daily re-analysis limit, so the result says what happened to that re-scan.
Input parameters
string (uuid)
required
The vault the column belongs to.
string (uuid)
required
The column to change, from
get_vault_columns.string
Column heading people see.
string
What the AI should look for in each document. Required for an
ai column, which is the default.string
One of: text, rich_text, date, date_range, enum, multi_enum, boolean, number, currency, percentage, duration, email, url, list. Defaults to text.
enum and multi_enum need field_meta.object | null
The choices for an enum or multi-select column: 2 to 12 unique options. Must be null for every other column type.
'ai' | 'manual'
ai (the default) has GC AI fill the column. manual leaves it for people to fill in.Response
object
object | null