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Agent Search Engine.

The shortlist

Build a customer-support agent

Support agents resolve tickets across chat, email, and voice. This category is commercial-heavy — resolution quality, integrations, and escalation flows are the product — but there's a credible open-source route if you want the knowledge base on your own servers.

3 editorial starting points · revised 8 October 2026 · how we choose

These are documentation and catalogue-based suggestions, not hands-on benchmarks. Check the linked product sources, supported languages, regional availability, permissions and current costs. Use the same evaluation worksheet for each candidate.

Hosted support

Managed — add-on

Fin by IntercomAgent

Paid product

A hosted customer-service agent to evaluate against your help desk, knowledge sources and escalation process. Verify the currently supported integrations and how resolution charges are defined.

Capability source ↗

Watch out — You are not using Intercom as your support platform.

Customer experience

Managed — sales process

SierraPlatform

Paid product

A customer-experience agent platform. Confirm the channels, integrations, human handoff and commercial terms available for your deployment rather than inferring reliability from enterprise positioning.

Capability source ↗

Watch out — You want self-serve setup and transparent usage pricing.

Self-hosted option

Self-host — Docker

MaxKBPlatform

23k stars · Open source · Python

A platform for agents and knowledge-base workflows with a documented Docker deployment. Include model access, administration and support in the cost; source access does not make a complete support operation free.

Capability source ↗

Before you commit

Support agents fail publicly — a wrong answer goes straight to a customer. Whatever you deploy, start with a narrow scope of ticket types, keep confident escalation to humans, and measure deflection honestly before widening it.

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