# Missive API + MCP vs Zammad (slim)

> Missive API + MCP scores 54.3 (C) on agent readiness against Zammad's 46.3 (D), and leads in 3 of 7 scored categories. Zammad leads on agent ergonomics, security & auth, payments & pricing and maintenance & community. Both do support conversations. Category scores, facts…

- Full: https://www.anchorterminal.com/compare/missive-vs-zammad.md (~2,650 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/missive-vs-zammad.json · canonical https://www.anchorterminal.com/compare/missive-vs-zammad
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Missive API + MCP scores 54.3 (C) on agent readiness against Zammad's 46.3 (D), and leads in 3 of 7 scored categories. Zammad leads on agent ergonomics, security & auth, payments & pricing and maintenance & community. Both do support conversations.

- Missive API + MCP: C 54.3, rank #615 of 842 · https://www.anchorterminal.com/tools/missive.min.md
- Zammad: D 46.3, rank #757 of 842 · https://www.anchorterminal.com/tools/zammad.min.md
- Missive API + MCP, good for Small teams that already run their mail in Missive and want an agent to triage, label, post internal notes and draft replies for a person to send. Ahead on Reliability, 60 against 25; Schema & documentation, 52 against 41; Transparency & trust, 77 against 70. Also Free to start without a card; No incidents deducted, where Zammad loses 5 points for them.
- Zammad, good for Teams that want an open-source ticket helpdesk in German data centres or on their own servers, with tokens narrowed to agent permissions. Ahead on Agent ergonomics, 53 against 46; Security & auth, 66 against 61; Payments & pricing, 40 against 30; Maintenance & community, 95 against 60. Also Open source.

| Category | Missive API + MCP | Zammad |
| --- | --- | --- |
| Reliability (16%) | 60 | 25 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 52 | 41 |
| Agent ergonomics (13%) | 46 | 53 |
| Security & auth (14%) | 61 | 66 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 95 |
| Transparency & trust (7%) | 77 | 70 |

| Fact (where they differ) | Missive API + MCP | Zammad |
| --- | --- | --- |
| Vendor | Missive | Zammad GmbH |
| Hosted endpoint | `https://public.missiveapp.com/v1` | `https://{instance}.zammad.com/api/v1` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Pricing | Paid | Freemium |
| Licence | Proprietary service under Missive's Terms and Conditions | AGPL-3.0-only, copyright Zammad Foundation. The hosted service runs under Zammad GmbH's terms |
| llms.txt | yes | no |
| Terms last updated | 2024-04-15 | 2026-04-02 |
| Privacy policy last updated | 2026-03-27 | no document linked |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | none | 6k stars |