Missive MCP by usefulapi
Read email/chat conversations, messages, contacts and teams; draft, send and update threads.
Connect it
Settings → Connectors → Add custom connector
URL: https://missive.usefulapi.io/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://missive.usefulapi.io/mcp{
"mcpServers": {
"missive": {
"url": "https://missive.usefulapi.io/mcp"
}
}
}claude mcp add --transport http missive https://missive.usefulapi.io/mcp{
"servers": {
"missive": {
"type": "http",
"url": "https://missive.usefulapi.io/mcp"
}
}
}19 tools, verified live
missive_list_conversationsread-onlyList conversations (email/chat threads). Missive requires EXACTLY ONE mailbox-type filter — one of inbox / assigned / closed / flagged / snoozed / trashed / all / shared_label / team_inbox / team_all / organization. Missive: GET /conversations.
missive_get_conversationread-onlyGet a single conversation by id. Missive: GET /conversations/{id}.
missive_list_conversation_messagesread-onlyList the messages (emails) in a conversation. Missive: GET /conversations/{id}/messages.
missive_get_messageread-onlyGet a single message, including the full body. Missive: GET /conversations/{conversation_id}/messages/{id}.
missive_list_conversation_commentsread-onlyList internal comments (team chat) on a conversation. Missive: GET /conversations/{id}/comments.
missive_list_conversation_draftsread-onlyList draft messages on a conversation. Missive: GET /conversations/{id}/drafts.
missive_list_conversation_postsread-onlyList posts (integration/app-generated items) on a conversation. Missive: GET /conversations/{id}/posts.
missive_list_contactsread-onlyList contacts in a contact book. Missive: GET /contacts.
missive_get_contactread-onlyGet a single contact by id. Missive: GET /contacts/{id}.
missive_list_contact_booksread-onlyList contact books (address books). Missive: GET /contact_books.
missive_list_contact_groupsread-onlyList contact groups or organizations within a contact book. Missive: GET /contact_groups.
missive_list_teamsread-onlyList teams in the organization(s). Missive: GET /teams.
missive_list_usersread-onlyList users (team members). Missive: GET /users.
missive_list_shared_labelsread-onlyList shared labels (team-shared folders/tags). Missive: GET /shared_labels.
missive_list_organizationsread-onlyList organizations you belong to. Missive: GET /organizations.
missive_list_responsesread-onlyList canned responses / templates. Missive: GET /responses.
missive_create_draftcan modifyCreate a draft email/message. WARNING: setting send=true SENDS a real email immediately (send_at schedules it) instead of saving a draft. Attach to an existing thread with `conversation`. Missive: POST /drafts.
missive_update_conversationcan modifyUpdate a conversation — assign/unassign users, add/remove shared labels, close/reopen, move to inbox, or set subject/color/team. Missive: PATCH /conversations/{id}.
missive_create_contactcan modifyCreate a contact in the given contact book. Missive: POST /contacts.
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