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
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
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
AI Agent is a web app that allows users to create customized AI agents to perform specific tasks and achieve goals.
Freemium
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Kustomer unifies customer data, conversations, and history into a single timeline, combining native AI agents with human-agent collaboration to automate omnichannel support, route workflows, provide real-time agent assist, and surface intent-driven analytics for CX optimization.
- 10 queues/team $sla management $business rules & customer workflows
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
Notbot automates WhatsApp interactions with chatbots, broadcast messaging, and a unified inbox. Drag‑and‑drop bot builder, CRM integration, API support, workflow automation, e‑commerce features, and 24‑hour response capabilities boost engagement and sales.
Free
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
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
Botsailor is an automation platform for e-commerce that enhances customer engagement through chatbots across various messaging channels. It optimizes order management, generates leads, and supports API integrations for improved digital interactions and operational efficiency.
Subscription
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