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threads_add_member

Category: threads

Add a guild user to a thread (private or public).

  • Loop a moderator or expert into an existing discussion.
  • Mass-onboarding → mention them in the parent channel instead; spammy mass-add risks rate limits.
FieldTypeRequiredDescription
thread_idstringyesThread to add the user to
user_idstringyesUser to add

\{added, thread_id, user_id\}.

FieldTypeRequiredDescription
addedbooleanyes
thread_idstringyesDiscord channel ID (snowflake)
user_idstringyesDiscord user ID
PropertyValue
Read-onlyno
Destructiveno
Idempotentyes
Open-worldyes
Confirmation requiredno

packages/mcp-core/src/tools/threads/add_member.ts