Build Custom Agent
The best 50 Build Custom Agent AI tools - Free & Paid
Explore 50 AI for Build Custom Agent
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
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
AI Agent is a web app that allows users to create customized AI agents to perform specific tasks and achieve goals.
Freemium
BrowserAgent is a browser-based AI automation tool that enables users to create workflows visually without coding. It automates tasks like email summarization and data extraction, enhancing productivity for individuals and teams through easy-to-use templates and real-time monitoring.
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
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
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
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
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
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
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
OpenAgents is an open-source framework for building and operating scalable, interoperable AI agent networks. It provides tools to launch, connect, and orchestrate agents with live monitoring, enabling collaborative applications and workflows.
Freemium
ChatBotKit is an AI agent platform enabling developers to create, test, and deploy autonomous agents for apps, websites, and messaging services. It supports multiple AI providers, offers memory, custom tools, and enterprise compliance features.
Freemium
- $25/mo
SmythOS is an open‑source Agent Operating System that manages the AI agent lifecycle—from design to production—via visual studio, SDK, CLI, and secure sandboxed runtime. It supports multi‑platform deployment, orchestration, and enterprise‑grade security.
Free
- $3.25/mo
Agent Herbie runs entirely on‑prem, delivering real‑time monitoring, pattern detection, and automated actions without data egress. It supports on‑device and cloud‑connected models, air‑gap security, GDPR/HIPAA compliance, and low‑latency, mission‑critical workflows across finance, healthcare, and cr
Paid
BuildShip is a visual AI workflow builder that lets teams in HR, finance, and marketing design, test, and deploy automated processes without code. It offers flow creation, a 50‑plus component library, secure API integration, cloud/self‑host options, version control, and real‑time logging.
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
Agency Swarm is an AI-powered framework that enables users to create and manage collaborative agents with specialized roles. It offers customizable agent functions, efficient communication flows, and state management, making it ideal for automating workflows and AI-driven decision-making.
Free
Hermes Agent is an open-source agent framework for building and deploying autonomous AI agents and developer workflows, offering multi-model adapters, runtime model switching, integrated tools (code execution, browser automation, image and file ops, messaging), plugin extensibility, and scheduler.
Free
QA.tech automates end‑to‑end tests across web, mobile, and APIs with AI agents that simulate real users, reducing flakiness, delivering instant CI/CD feedback, logging detailed failures, and automatically updating test cases without infrastructure setup.
Freemium
- $499/mo
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
SuperAGI is an open-source autonomous AI framework for building and managing efficient and reliable autonomous agents that learn and improve over time.
Free
AgentWorks™ facilitates the development and deployment of AI agents within enterprises, offering interoperability, one-click fine-tuning, compliance validation, performance evaluation, multi-agent workflow orchestration, and a secure infrastructure for various deployment environments.
Subscription
- $4
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
SmolAgent is an opensource AI agent framework that simplifies creation of complex automations using pre-built llm models and agents, or custom development with open source tools.
Free
Xbot77.com is an AI agent platform for building and deploying task-specific agents with integrated data controls and CRM. It enables users to train agents from various sources and deploy them as widgets, dashboards, or internal tools for scalable automation.
Free trial
AI Survey Generator drafts surveys within seconds, offering diverse question types, adaptive and skip logic, and score calculators. Distribute via email, web, app, WhatsApp, SMS, or link, and integrate with major platforms. Mobile‑optimized, multilingual, it compiles data into actionable reports.
Freemium
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
Scout is an AI‑agent platform that builds, launches, and optimizes sales agents for meeting prep, RFP drafting, and sales engineering. It integrates with Salesforce, Outreach, Slack, Notion, Google Suite, and pulls from documentation and custom databases for rapid, no‑code deployment.
Free
Build Chatbot lets users create, train, and deploy no‑code AI chatbots for websites and messaging channels. It imports PDFs, DOCX, URLs, videos, Excel, and more, auto‑generating content‑aware responses for instant support and lead capture.
Subscription
- $19/mo
VAgents automates inbound and outbound calls on a no‑code platform, enabling businesses to deploy AI phone agents that answer FAQs, qualify leads, schedule appointments, and auto‑refine scripts from call metrics while meeting data‑protection standards.
Subscription
- $199.99/mo
Crawl AI is a web-based platform that allows users to create custom AI assistants with minimal coding. It features web scraping, data source integration, and adjustable settings for tailoring responses, enhancing utility in tasks like customer support and content generation.
Freemium
Bolt Foundry automates repetitive tasks through specialized local agents (Chief of Staff, Intake, Outreach, etc.). Each agent works within its scope, records interactions as Markdown, and scales team capacity up to tenfold while keeping data on premises.
Free
- $399/mo
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
Voice AI platform that builds conversational agents in five clicks, automating support, sales, and billing calls. It integrates natively with CRMs and databases for real‑time actions, supports multi‑OS softphones, and records transcriptions for audits.
Free
Agentmark is an AI tool for marketing agencies that automates ad campaign management across platforms, reduces human errors, provides QA checklists, and enables real-time budget adjustments, enhancing operational efficiency and campaign effectiveness.
Freemium
- $199/mo
Cheat Layer is a no‑code platform that builds AI‑driven product agents with natural‑language commands. It links to Google Sheets, email, SMS, and chat to automate lead qualification, A/B testing, and video repurposing for YouTube, TikTok, and Loom, enabling on‑prem deployment.
Paid
Autohive enables teams to create AI agents for automating repetitive tasks without coding. Users can efficiently manage workflows, collaborate in real-time, and streamline operations across various platforms, enhancing productivity and allowing focus on high-impact activities.
Free trial
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