# Zendesk alternatives for AI agents 7 alternatives to Zendesk. 6 have an interface an agent can drive. 6 are open source. Page: alternatives/zendesk.html ## Chatwoot Omnichannel support desk with documented Application, Platform and Client APIs; MIT core, env-configured. - Listing: apps/chatwoot--chatwoot.html - JSON: apps/chatwoot--chatwoot.json - License: MIT with enterprise/ under commercial license - Agent interface: API, from the builder - Reach: 6 of 10 jobs - Last activity: 2026-09-03 - Effort: config-only - Use it when: I want WhatsApp, email and website chat in one queue on our own server and our agent drafting replies through the API - Use it when: I am paying per seat for Intercom or Zendesk and want a flat self-hosted desk - Gotcha: Platform API is self-hosted or managed hosting only, not cloud - Gotcha: enterprise/ directory (Captain and others) is commercially licensed; MIT covers the core - Gotcha: README warns of breakages if channel env vars are not set - Gotcha: 1,300+ open issues: large surface, expect rough edges ## Frappe Helpdesk AGPL ticketing with agent and customer portals, SLAs, assignment rules and a knowledge base, all reachable over the Frappe REST API. - Listing: apps/frappe--helpdesk.html - JSON: apps/frappe--helpdesk.json - License: AGPL-3.0 - Agent interface: API, from the builder - Reach: 8 of 9 jobs - Last activity: 2026-09-02 - Effort: config-only - Agent cannot reach: Customer portal self-service - Use it when: I want a support desk with SLAs and a customer portal on our own server, no per-agent fees - Use it when: I already run Frappe apps and want tickets in the same bench - Gotcha: Same bench footprint as Frappe CRM (MariaDB, Redis, Node, Python) - Gotcha: AGPL-3.0 - Gotcha: DocType names above (HD Ticket, HD Article, HD Canned Response) are from the app's data model; verify field names against your version ## Request Tracker Enterprise ticket tracker with a Builder-shipped MCP server for search, create, reply, and update. - Listing: apps/bestpractical--rt.html - JSON: apps/bestpractical--rt.json - License: GPL-2.0 - Agent interface: MCP server, from the builder - Reach: 6 of 10 jobs - Last activity: 2026-09-01 - Effort: config-only - Agent cannot reach: Dashboards, charts, and reports; Track assets (RT Assets); Configure scrips and automation; Knowledge base articles - Use it when: we run a shared support or IT queue by email and want tickets triaged, assigned, and answered from our agent without leaving RT's audit trail - Use it when: we already have an RT instance and want Claude or Cursor to search TicketSQL and draft replies as a named user - Gotcha: MCP server needs RT 6.0+ with REST 2.0 enabled; older RT 4.x/5.x installs must upgrade first - Gotcha: Everything the agent does is logged as the token's user, including emails sent on replies; a repeated add_reply sends mail again - Gotcha: Perl stack with a long CPAN dependency install; SELinux default blocks /opt/rt6 - Gotcha: GPL-2.0 copyleft on both RT and the MCP server ## Zammad AGPL helpdesk with a documented REST API for tickets, users, organizations and the knowledge base. - Listing: apps/zammad--zammad.html - JSON: apps/zammad--zammad.json - License: AGPL-3.0 - Agent interface: API, from the builder - Reach: 6 of 9 jobs - Last activity: 2026-09-02 - Effort: config-only - Use it when: I need a proper ticket queue with SLAs for a small support team and want it on our own server - Use it when: I want our agent to triage and answer tickets through a stable REST API - Gotcha: Needs Elasticsearch for search; the compose stack runs five services - Gotcha: AGPL: modifications to a hosted copy must be published - Gotcha: Hosted edition has no free plan; only self-host is free ## osTicket Widely deployed GPL support ticket system whose own API only creates tickets; MCP wrappers need a companion plugin. - Listing: apps/osTicket--osTicket.html - JSON: apps/osTicket--osTicket.json - License: GPL-2.0 - Agent interface: MCP server, third party - Reach: 5 of 10 jobs - Last activity: 2026-06-17 - Effort: config-only - Agent cannot reach: Knowledge base and FAQ; Help topics, SLAs, ticket filters; Agents, teams, departments admin; Customer self-service portal - Use it when: we need a plain email-to-ticket help desk that thousands of small teams already run and our own IT can host on PHP and MySQL - Use it when: we mostly need our agent to open tickets from other systems; reading and updating them is a nice-to-have we accept a plugin for - Gotcha: Official API is creation-only; every read or update path needs a third-party plugin and wrapper - Gotcha: Recommended wrapper has 1 star and depends on the NKS osTicket API plugin being installed - Gotcha: Last push 2026-06-17, inside the window but the slowest of the support picks - Gotcha: GPL-2.0 copyleft ## Zoho Desk Hosted help desk with a Free Forever edition for three agents and an official Zoho MCP server. - Listing: apps/zoho-desk.html - JSON: apps/zoho-desk.json - License: Closed source - Agent interface: MCP server, from the builder - Reach: 3 of 9 jobs - Last activity: unknown - Agent cannot reach: Configure SLAs and automation rules; Handle chat, phone, and social channels - Use it when: we are a three-person team on Zoho's free plan and want our agent to triage and answer tickets without paying for a seat - Use it when: we already live in Zoho (CRM, Books) and want one OAuth connector that reaches Desk tickets alongside the rest - Gotcha: Whether the Free edition can use the MCP server is not stated; Zoho gates API and integration features by plan - Gotcha: Pricing page served INR at fetch time; USD list prices differ - Gotcha: No public tool list for the Desk MCP; Reach is inferred from one example prompt ## AgentDesk Apache-licensed AI help desk in Go and Next.js: RAG answers, answerability gate, human handoff, tickets. - Listing: apps/huabeitech--agent-desk.html - JSON: apps/huabeitech--agent-desk.json - License: Apache-2.0 - Agent interface: Screen only - Reach: 0 of 9 jobs - Last activity: 2026-09-02 - Effort: config-only - Agent cannot reach: Start a support conversation and send customer messages; Register and look up customers; Receive events by webhook; Create and move tickets; Manage knowledge bases and FAQs; Hand off to a human agent; Configure AI agents, models, and skills; Connect Telegram, WeChat, Zalo; Drive AgentDesk from an external agent over MCP - Use it when: we want an AI-first support widget that only answers from our own docs and escalates to a person when it cannot - Use it when: we need a self-hosted help desk under a permissive license that we can point at any OpenAI-compatible model, including a local one - Gotcha: Documentation site returned 403/404 during analysis; README is the working reference - Gotcha: Default language zh-CN and default admin password ChangeMe123! - Gotcha: Needs Qdrant (or a LanceDB build with native libs) even for local trials - Gotcha: 222 stars and a single vendor org; verify users beyond the Reddit launch ## Questions ### Is there an open source alternative to Zendesk? Yes. 6 of the 7 listings here are open source: Chatwoot (MIT with enterprise/ under commercial license), Frappe Helpdesk (AGPL-3.0), Request Tracker (GPL-2.0), Zammad (AGPL-3.0), osTicket (GPL-2.0), AgentDesk (Apache-2.0). ### Which Zendesk alternatives have an MCP server? Request Tracker and Zoho Desk have MCP servers from their builders. osTicket has an MCP server from a third party. ### Which Zendesk alternative can an agent do the most with? Frappe Helpdesk: 8 of 9 recorded jobs reachable. Jobs differ by listing, so read each list before you choose.