AgentScout / By role / Customer support teams

AI agents for customer support teams (2026)

Agents that answer customers, resolve tickets, take calls and search your knowledge base. We picked the top tools for 5 jobs customer support teams do every day: 27 tools in all, 23 of them free or with a free tier.

Jump to: Customer support · Phone calls · Chat apps · Search your documents · Email

Free tools from AgentScout for customer support teams: Prompt builder · Agent setup generator

How we picked: each section takes the tools matched to that task in our directory, putting tools whose category and stated use cases fit the task first, then ordering by tracked GitHub stars. No paid placements.

Customer support

Agents that answer customer questions, resolve tickets and hand off to people when needed. All 33 tools →

Agentplace Freemium
Build AI agents that answer customer questions, book appointments and deliver services online.
Cognigy See site
NiCE Cognigy's enterprise customer service platform with generative and conversational AI agents across voice and chat.
Cresta Deputy Agent Enterprise
Long-running agent that finishes customer-service back-office workflows, pausing for approvals or documents.
Decagon See site
Platform for building, optimizing and scaling customer-facing AI support agents.
Duckie Paid
AI support agent for technical products that resolves tickets.
Enjo Freemium
AI support agent that resolves employee and customer requests end to end and takes action in your systems.

Phone calls

Voice agents that answer and place phone calls, book appointments and route callers. All 26 tools →

Macro Open source + cloud
Team workspace that links email, chat, docs, tasks, calls and CRM with agents that share one team memory. · ★ 4,746
vocode Open source + cloud
Open-source library for building voice-based LLM agents for phone calls and apps. · ★ 3,804
Reticle Source-available + cloud
Verification layer for AI coding agents: a dev-only SDK inside your web or desktop app lets the agent drive real flows and read network calls, app state and console, then returns a pass, fail or cannot-tell verdict with the file and line to fix; saved flows replay without an AI model and can gate CI. · ★ 1,275
Tel-Agent Open source
A self-hosted AI agent that answers phone calls and handles support on WhatsApp, Telegram, web chat and email with your own models and keys. · ★ 1,144
Patter Open source
Open-source SDK that gives your AI agent a phone number, handling speech, real-time voice and telephony carriers in Python or TypeScript. · ★ 1,076
Hy-Memory Open source
Tencent Hunyuan's open-source memory system for agents that extracts, organizes and recalls long-term memories across sessions, with a memory hub and plugins for popular agent tools. · ★ 1,040

Chat apps

Agents you can talk to, or hand work to, from the chat apps you already use: Slack, Telegram, WhatsApp, Discord and iMessage. All 21 tools →

NanoClaw Open source
Lightweight personal agent that runs in containers and connects to WhatsApp, Telegram and Slack. · ★ 30,959
Inbox Zero Open source + cloud
AI email assistant that organizes your inbox, pre-drafts replies and manages your calendar, chat-controllable from Slack or Telegram. · ★ 12,609
ZCode Open source
ZCode is Z.ai's open-source AI coding workspace and official harness for GLM-5.3, with a desktop app, web interface and terminal agent that run multiple agents on long goals, plus control from WeChat, Feishu or Telegram. · ★ 8,014
Mercury Agent Open source
Self-hosted personal AI agent with a written personality, local memory, permission-gated tools and token budgets, reachable via CLI or Telegram. · ★ 3,433
nexu Open source
Open-source desktop client that connects your OpenClaw agent to WeChat, Feishu, Slack and Discord in one click. · ★ 3,282
Tel-Agent Open source
A self-hosted AI agent that answers phone calls and handles support on WhatsApp, Telegram, web chat and email with your own models and keys. · ★ 1,144

Search your documents

Tools that let agents read, search and answer questions over your documents and files. All 62 tools →

MarkItDown Open source
Microsoft's Python tool and MCP server that converts PDFs, Office documents, images, audio and web pages to Markdown for LLM and agent pipelines. · ★ 190,824
Graphify Open source
Turns a codebase plus its docs, SQL schemas, configs and PDFs into a knowledge graph that coding agents can query. · ★ 127,237
RAGFlow Open source + cloud
Open-source RAG engine with deep document parsing and agent features for building grounded question-answering over your files. · ★ 92,335
Understand-Anything Open source
Turns any codebase, knowledge base or docs folder into an interactive knowledge graph you can explore and question, working inside Claude Code, Codex, Cursor, Copilot and Gemini CLI. · ★ 87,175
AnythingLLM Open source + cloud
Local-first desktop and server app for chatting with your documents, running agents and connecting any LLM. · ★ 67,210
PPT Master Open source
AI tool that turns documents or topics into native, editable PowerPoint decks with real shapes, charts, transitions and narration from speaker notes. · ★ 63,293

Email

Assistants that draft replies, sort your inbox and follow up so email takes less of your day. All 37 tools →

Novu Freemium
Open-source communication infrastructure that gives products and AI agents one API to reach users over in-app inbox, email, SMS, push, Slack, Teams and chat. · ★ 40,164
Google Workspace CLI Open source
Official Google Workspace command-line tool for Drive, Gmail, Calendar, Docs and more, usable by agents. · ★ 31,557
Inbox Zero Open source + cloud
AI email assistant that organizes your inbox, pre-drafts replies and manages your calendar, chat-controllable from Slack or Telegram. · ★ 12,609
TUIOS Open source
Terminal window manager with tiling panes, persistent sessions and one inbox where coding agents report their state and message each other. · ★ 5,467
Macro Open source + cloud
Team workspace that links email, chat, docs, tasks, calls and CRM with agents that share one team memory. · ★ 4,746
Cumora Open source
Cumora is a team chat app where AI agents are members of the workspace rather than a chat box you prompt. Each agent gets a persona, its own private memory and files, a status, and a schedule on which it wakes up, reads the room and decides whether to message someone, post an idea or pull a small group together. Agents can message each other, and you can read those side conversations. People join by email or link, agents can be grouped into teams and given projects, and the same live workspace runs on desktop, in the browser and on a phone. It is free during an invite-only preview. · ★ 4,005