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: 28 tools in all, 19 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 10 tools →

• Parlant Open source
  Framework for building reliable customer-facing agents with explicit behavior guidelines. · ★ 18,300
• Stripe Agent Toolkit Open source
  Stripe's agent toolkit and MCP server for customers, payments and billing. · ★ 1,953
• Agentplace Freemium
  Build AI agents that answer customer questions, book appointments and deliver services online.
• Basalt Paid
  Captures customer behavior so your AI agent can learn and improve from real interactions.
• Cresta Deputy Agent Enterprise
  Long-running agent that finishes customer-service back-office workflows, pausing for approvals or documents.
• Gradient Labs Enterprise
  AI customer support agent for regulated financial services companies.

Phone calls

Voice agents that answer and place phone calls, book appointments and route callers. All 9 tools →

• vocode Open source + cloud
  Open-source library for building voice-based LLM agents for phone calls and apps. · ★ 3,804
• 11x Enterprise
  Digital AI workers for go-to-market teams, including an SDR agent that researches prospects and runs outbound and a phone agent that handles calls.
• ClawCall Usage-based
  AI that places phone calls for you, navigates menus, waits on hold and talks to the person who answers.
• Dial Usage-based
  Gives an AI agent a real phone number for calls, SMS, iMessage and WhatsApp through one API.
• NanoMuse Open source
  Open-source AI agent for your phone and computer (Show HN, Oct 7).
• Retell AI Usage-based
  Builds AI phone agents for calls and support.

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 9 tools →

• NanoClaw Open source
  Lightweight personal agent that runs in containers and connects to WhatsApp, Telegram and Slack. · ★ 30,959
• Open SWE Open source
  LangChain's asynchronous coding agent that takes work from GitHub issues, Slack or Linear, implements it in an isolated sandbox and opens a pull request. · ★ 11,034
• Roomote Freemium
  Cloud coding agent from the Roo Code team that runs your real dev environment, verifies its work, reviews code with a second model and hands back PRs with live previews; works from Slack, Teams, GitHub and Linear, self-hosted or on its cloud. · ★ 288
• Cicero Open source
  Self-hosted voice interface for coding agents (Claude Code, Codex, ACP); talk from a browser or Telegram call. · ★ 64
• AgentSDR Open source + cloud
  Open-source AI SDR that runs email, LinkedIn and WhatsApp outreach and sorts replies in a built-in CRM.
• BetterClaw Freemium
  Build and deploy AI agents without code on 28+ model providers, connected to Telegram, Slack, Discord and Gmail.

Search your documents

Tools that let agents read, search and answer questions over your documents and files. All 24 tools →

• 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
• Crawl4AI Open source
  Open-source crawler that turns websites into clean, LLM-ready Markdown for agents and RAG pipelines. · ★ 85,667
• AnythingLLM Open source + cloud
  Local-first desktop and server app for chatting with your documents, running agents and connecting any LLM. · ★ 67,210
• Context7 Freemium
  MCP server and platform that feeds coding agents up-to-date, version-specific library documentation. · ★ 63,157
• LlamaIndex Open source + cloud
  Framework for agents over your data (RAG, document agents). · ★ 52,485

Email

Assistants that draft replies, sort your inbox and follow up so email takes less of your day. All 7 tools →

• Google Workspace CLI Open source
  Official Google Workspace command-line tool for Drive, Gmail, Calendar, Docs and more, usable by agents. · ★ 31,557
• AgentSDR Open source + cloud
  Open-source AI SDR that runs email, LinkedIn and WhatsApp outreach and sorts replies in a built-in CRM.
• AI Emaily Freemium
  AI-native email client whose assistant triages, drafts replies in your voice, schedules and sends.
• Artisan Paid
  AI employees for sales, led by Ava, an outbound SDR agent that finds leads, writes emails and books meetings.
• BetterClaw Freemium
  Build and deploy AI agents without code on 28+ model providers, connected to Telegram, Slack, Discord and Gmail.
• Hiver Paid
  Customer service helpdesk in Gmail with AI agents.

Popular searches for customer support teams

AI customer support agents · AI agents that make and answer phone calls

Other roles: Developers · AI engineers · Marketers · Sales teams · Designers · Researchers · Data analysts · Crypto traders · Founders and small businesses · DevOps and SRE engineers · Security engineers · Game developers · Content creators · All roles

Best-of lists for customer support teams: Best AI Voice Agent Platforms · Best AI Agents for Business Teams · All best lists

Facts come from our directory listings; pricing is as each maker states it and can change. Missing a tool? Submit it free.