Connect-MCP

Missive MCP by usefulapi

io.usefulapi/missive · v1.11.1

Read email/chat conversations, messages, contacts and teams; draft, send and update threads.

MCPremoteno credentialsMessagingEmail

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Last check

Reachable, 19 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 88/100

What it does: 19 tools · 16 read, 3 write (incl. delete/pay) · Messaging, Email

Test call missive_list_conversations: needs a key: HTTP 401 (944 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: +5
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://missive.usefulapi.io/mcp

Tools

19 tools listed at last check
  • missive_list_conversations List 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_conversation Get a single conversation by id. Missive: GET /conversations/{id}.
  • missive_list_conversation_messages List the messages (emails) in a conversation. Missive: GET /conversations/{id}/messages.
  • missive_get_message Get a single message, including the full body. Missive: GET /conversations/{conversation_id}/messages/{id}.
  • missive_list_conversation_comments List internal comments (team chat) on a conversation. Missive: GET /conversations/{id}/comments.
  • missive_list_conversation_drafts List draft messages on a conversation. Missive: GET /conversations/{id}/drafts.
  • missive_list_conversation_posts List posts (integration/app-generated items) on a conversation. Missive: GET /conversations/{id}/posts.
  • missive_list_contacts List contacts in a contact book. Missive: GET /contacts.
  • missive_get_contact Get a single contact by id. Missive: GET /contacts/{id}.
  • missive_list_contact_books List contact books (address books). Missive: GET /contact_books.
  • missive_list_contact_groups List contact groups or organizations within a contact book. Missive: GET /contact_groups.
  • missive_list_teams List teams in the organization(s). Missive: GET /teams.
  • missive_list_users List users (team members). Missive: GET /users.
  • missive_list_shared_labels List shared labels (team-shared folders/tags). Missive: GET /shared_labels.
  • missive_list_organizations List organizations you belong to. Missive: GET /organizations.
  • missive_list_responses List canned responses / templates. Missive: GET /responses.
  • missive_create_draft Create 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_conversation Update 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_contact Create a contact in the given contact book. Missive: POST /contacts.

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