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Update a custom field

An MCP tool from the Asana API server, hosted on mcp.hjlabs.in.

Update a custom field Required scope: custom_fields:write A specific, existing custom field can be updated by making a PUT request on the URL for that custom field. Only the fields provided in the data block will be… [PUT /custom_fields/{custom_field_gid}]

Name on the gateway: asana_api__update_custom_field · may change things.

Parameters

NameTypeDescription
custom_field_gid requiredstringGlobally unique identifier for the custom field.
opt_prettybooleanProvides “pretty” output. Provides the response in a “pretty” format. In the…
opt_fieldsarrayThis endpoint returns a resource which excludes some properties by default. To…
dataobjectCustom Fields store the metadata that is used in order to add user-specified…

How to call it

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments
{
  "name": "asana_api__update_custom_field",
  "arguments": {
    "custom_field_gid": "…"
  }
}

Or connect the Asana API server directly, which lists 270 tools including this one:

Run in your terminal
claude mcp add --transport http hj-asana-api https://mcp.hjlabs.in/mcp/asana-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Try asking

Use the update a custom field tool with custom_field_gid set to ….

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