Custom Agent Builder
The best 50 Custom Agent Builder AI tools - Free & Paid
Explore 50 AI for Custom Agent Builder
Agent One is a no‑code platform that lets businesses build white‑labeled AI assistants on custom domains. It supports OpenAI, Claude, and Gemini, offers one‑click deployment, real‑time data fetching, API integration, and multilingual analytics.
Subscription
- $8/mo
BetterClaw is a no-code AI agent builder with a visual editor and 200+ pre-vetted skills, enabling rapid creation of autonomous agents. It offers one-click deployment across 15+ chat platforms, 28+ LLM providers, and built-in security controls like sandboxed containers, encryption, and a kill switch
Free trial
- $19/agent/mo
AgentX is a multi-agent AI platform for building, training, and deploying conversational agents using a no-code visual builder or developer tools, supporting multiple LLMs, RAG knowledge connectors, omnichannel deployment, integrations, analytics, voice, and on-premise options.
Free
Agenthost lets users build AI agents for customer support, sales, marketing, and education without coding. One‑click integrations connect to 2,000+ apps, while custom actions, file uploads, voice, and fine‑tuning extend agent capabilities. Deep analytics and team collaboration improve performance.
Free trial
AI Agent is a web app that allows users to create customized AI agents to perform specific tasks and achieve goals.
Freemium
Apply, Co. builds custom AI agents paired with human experts to automate industry workflows—patient triage, fraud detection, contract review, product recommendation—offering 24/7 scalability, zero‑error design, and seamless integration with cloud, database, and API services.
Paid
PC Builder AI helps users customize and build PCs by generating tailored configurations based on budget and preferences. The tool offers options for gaming and workstations and allows for component comparison to maximize investment value.
Subscription
CustomGPT.ai is a no‑code platform that builds AI agents from existing documents, sites, and knowledge bases. It supports 1,400+ file types, 100+ integrations, and 92 languages, offering secure, citation‑enabled, context‑aware responses for customer support and internal knowledge search.
Subscription
Chatagents is a no-code AI chatbot builder that creates on-brand chatbots from your website, files and FAQs, delivering source-based answers, built-in actions (email, calendar, Sheets, API calls), and easy deployment to websites, WhatsApp, and social platforms.
Free trial
Chatclient lets businesses build ChatGPT‑based chatbots trained on uploaded content. It supports 95+ languages, auto‑retraining, custom personas, and white‑label deployment, and integrates with Slack, WhatsApp, Zapier, APIs, and web/mobile apps.
Freemium
Omnichannel AI agents trained on FAQs, transcripts, CRM notes and SOPs automate voice, email, chat and SMS support, sales and scheduling for SMBs, preserving brand tone, integrating with CRM/websites and improving response times and lead capture.
- $299/mo
Agentz automates real‑time customer engagement across voice, SMS, web, and social channels. Its drag‑and‑drop flow builder and self‑learning responses handle missed calls, webforms, and inquiries without coding, and it integrates with existing databases and systems.
Paid
- $29
Supercreator is an AI toolkit for OnlyFans creators, assistants, and agencies that automates chat, manages fans, optimizes sales, supports secure multi‑login, offers role‑based permissions, analytics, and CRM tools for streamlined communication and revenue tracking.
Free trial
ChatBotBuilderAI lets users design and deploy custom chatbots and GPTs across websites, social media, email, and voice. It integrates with thousands of apps, supports personalization, multi‑channel delivery, and provides analytics for engagement and conversion insights.
Subscription
- $49/mo
Kode No‑Code AI Agents lets organizations deploy custom agents that integrate into existing tools. A visual builder creates isolated workflows without code; agents browse, research, update records, and a meta‑agent layer orchestrates tasks across departments with full audit visibility.
Freemium
Chatbase builds and deploys AI customer support agents trained on business data, integrates with CRMs, Zendesk, Slack and WhatsApp, enables automated workflows, human escalation, analytics, multilingual support, and security controls (SOC 2, encryption).
Freemium
- $32/mo
happycapy runs AI agents and skill modules directly in the browser, offering GUI and CLI interfaces, a skills store, browser automation, private sandboxed execution, live monitoring and action review, and developer extensibility for custom skills and workflows.
Subscription
- $17/mo
mybot.chat allows users to create customizable AI chatbots for customer support and lead generation without coding. It offers 24/7 assistance, lead qualification, data encryption, and memory features for continuous learning and improved response relevance.
Free trial
Donovan provides a no‑code Agent Factory that builds and connects AI agents for mission‑critical government and defense workflows. It evaluates model performance, runs on classified, air‑gapped Kubernetes environments, and offers traceable reasoning with defense‑aligned guardrails.
Freemium
Runner AI is an automated e-commerce platform that builds and optimizes Shopify stores using AI-generated visuals and listings. It continuously tests variations, personalizes shopping experiences, and provides centralized analytics for data-driven optimization.
Freemium
SupportAgent.ai is an AI tool that creates automated draft replies for support agents by learning from previous replies and adapting to the writing style.
Free trial
- $29/mo
ResumeBuilder.com lets users create professional resumes using 500+ free examples and 25 ATS‑friendly templates. The platform offers AI‑generated role phrases, keyword optimization, expert tips, mobile‑friendly editing, and export in TXT, Word, or PDF.
Freemium
ownAI lets users build, host, and deploy custom AI assistants without coding. Create assistants for personal tasks, marketing, or support, with data hosted on your domain. Import knowledge bases, run models locally, and access open‑source code on GitHub.
Free
OnDemand AI Agents is a decentralized OS that lets users build, deploy, and scale AI agents without a dev team. It offers a no‑code workflow builder, an agent marketplace, secure model integration, an AI playground for testing, and enterprise‑grade security.
Freemium
AgentRunner is a workflow builder for AI app development, featuring visual prompt engineering, integration with popular AI models, performance monitoring, and versioning. Its node-based editor supports complex applications and enhances team collaboration in a secure environment.
Free
BotsCrew delivers end‑to‑end conversational AI agents built on GPT‑4o, Llama 3, or RAG. Users choose pre‑built or custom agents, proceed through discovery, rapid prototyping, and deployment, with real‑time UI, unlimited integrations, and compliance support to automate queries and reduce support cost
Freemium
Quickchat AI lets teams create and deploy chatbots for support, sales, lead qualification, and internal assistance. It combines Retrieval‑Augmented Generation with reranking to keep answers current, offers modular knowledge building, workflow design, analytics, GDPR‑compliant data control, and API i
Freemium
BotPenguin lets users build code‑free chatbots for websites, WhatsApp, Facebook, Instagram, Telegram, and Microsoft Teams. A drag‑and‑drop editor, unified inbox, analytics, multilingual support, custom AI personas, automation, and 80+ integrations streamline marketing, sales, and support.
Paid
CustomFit.ai is a no‑code platform for e‑commerce and CMS owners, enabling A/B testing and content personalization with drag‑and‑drop editing, real‑time AI optimization, pre‑built widgets, and analytics across Shopify, WooCommerce, BigCommerce, Magento, Salesforce, WordPress, Webflow, and custom sta
Free trial
UChat AI Agent creates no‑code chatbots for Web, WhatsApp, Messenger, Instagram, Telegram, and SMS via a drag‑and‑drop builder. It supports GPT, Claude, Gemini, and real‑time function calls, plus a unified CRM, analytics, and integrations with Shopify, HubSpot, Zapier, Stripe, and Calendly.
Freemium
BotPress is a platform for building and managing AI agents that power contextual, stateful conversations. It features an Agent Studio for rapid creation and supports extensive integrations, knowledge bases, and custom code for automation across various industries.
Freemium
- $89/mo
YourGPT builds and deploys AI agents across chat, email, and voice. It supports GPT‑4, Claude, Gemini, DeepSeek, trains on PDFs, CSVs, Markdown, and integrates with Intercom, Slack, Shopify, Twilio, Zapier. SOC 2, GDPR, SSO, it automates FAQs, appointments, orders, invoices, leads.
Subscription
Relay.app creates AI agents that automate tasks across apps like Google Workspace, Airtable, Slack, and Asana. Users name an agent, assign skills, design workflows via a visual editor, and refine performance through feedback loops.
Free
- $9/mo
Solo AI helps small business owners, freelancers, and nonprofits build responsive websites without coding. Users input prompts and AI generates layouts, imagery, copy, and SEO keywords. Features include free hosting, analytics integration, booking tools, payment links, collaboration, and mobile‑frie
Freemium
crafted™ is an AI framework for enterprises and startups that enables the deployment of customizable AI agents. It features real-time messaging, document understanding, vector database integration, and marketing tools to enhance operational efficiency and strategy optimization.
Free trial
CodeConductor is a no‑code AI platform that turns plain‑English prompts into complete web and mobile apps, automatically generating front‑end, back‑end, APIs, databases, and authentication with built‑in security, CI/CD, and cloud deployment options.
Freemium
BoldDesk centralizes ticketing, live chat, and omnichannel messages into one inbox. An autonomous AI agent handles ~40 % of tickets, while a copilot drafts replies and suggests knowledge‑base content. Built‑in automation updates CRM, processes refunds, and speeds response times.
Subscription
- $7499/mo
ExactBuyer enriches CRM contacts with 115+ attributes, offering AI‑generated next‑best actions, real‑time audience segmentation, talent discovery, and analytics dashboards. It supports API, Chrome extension, CSV upload, and weekly data quality checks for targeted B2B SaaS sales, marketing, and recru
Subscription
- $20/mo
Richpanel is an AI-powered e-commerce customer service tool that provides a unified platform for multichannel support, automation, analytics, and integrations. Its advanced AI features accelerate response times, boost efficiency, and optimize customer support processes.
Free trial
Quickchat AI is a tool that enables businesses to build chatbots for various purposes using GPT-3 and without coding knowledge. It integrates with messaging apps and live chat software.
Freemium
- $99
Jarvis Helpdesk delivers AI‑powered support across 10+ channels, automating common queries and routine tasks. Its AI Copilot gives real‑time agent suggestions, while live chat, knowledge bases, routing, and performance monitoring streamline operations.
Freemium
- $6.67/mo