Fixie.ai
Build and deploy AI agents with natural language
- Open Source
- Web, API
- WritingDesignAI Tools for Programming
- Open source
- Free forever

What is Fixie.ai?
Key features
Natural language agent definition
describe agent behaviour in plain English rather than writing code
Built-in deployment
deploy agents to production without managing servers or infrastructure
Open-source foundation
access the underlying code and customise the platform for your needs
Integration capabilities
connect agents to external APIs and data sources
Agent testing and monitoring
evaluate agent performance and behaviour before deployment
Multi-turn conversation support
agents can handle complex, multi-step interactions
Pros & cons
Advantages
- Lowers the barrier to entry for building AI agents; no advanced coding skills required
- Open-source model means no vendor lock-in and full transparency about how agents work
- Focuses on practical deployment rather than just prototyping
- Natural language interface is intuitive for non-technical stakeholders to understand and modify
Limitations
- Being open-source and relatively newer, community support and documentation may be less mature than established alternatives
- May require technical knowledge to self-host and maintain if not using hosted versions
- Natural language definitions can sometimes be ambiguous, potentially requiring iteration to get desired behaviour
Use cases
Customer support agents that handle common questions and route complex issues to humans
Content generation agents that produce drafts for marketing or documentation
Data analysis agents that query databases and summarise findings
Workflow automation agents that orchestrate tasks across multiple systems
Chatbots for internal documentation or knowledge base access
Ready to try Fixie.ai?
Pricing
Get started with Fixie.ai
Click through to Fixie.ai and start using it now.
- Open source
- Free forever