audiences_add_contacts
2 different MCP tools share this name. They are not interchangeable — each provider's tool has its own behaviour, parameters, and output. Pick the one whose product matches your need.
Remote (2)
Network-hosted MCP servers — no local install needed.
MentionBird
Add up to 1,000 existing contacts to a static audience by ID. Fails entirely if any contact ID does not exist. To add contacts you have not created yet, use `contacts_batch` with `audience_ids` instead: it matches or creates each contact by email address and assigns it to the audience in one call.
bird/mcp
NetBird
Add up to 1,000 existing contacts to a static audience by ID. Fails entirely if any contact ID does not exist. To add contacts you have not created yet, use `contacts_batch` with `audience_ids` instead: it matches or creates each contact by email address and assigns it to the audience in one call.
bird/mcp