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threads_join

Category: threads

Join the current bot user to a thread.

  • Bot must be a member to receive thread events / send messages.
  • Adding another user → use threads_add_member.
FieldTypeRequiredDescription
thread_idstringyesThread to join

\{joined, thread_id\}. Idempotent — re-joining is a no-op.

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

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