Devtools
Local development tool for debugging AI SDK applications with web-based UI.
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
UnverifiedOverview
What is Devtools?
A powerful local development tool that allows developers to debug and inspect AI SDK applications by viewing LLM requests, responses, tool calls, and multi-step interactions in a user-friendly web interface. It is essential for ensuring the reliability and performance of AI-driven applications.
Key differentiator
“The only local development tool that provides a web-based UI for real-time inspection of LLM requests, responses, and multi-step interactions in AI SDK applications.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
API requires Python-specific patterns, TypeScript SDK is community-maintained
v0.1 to v0.2 migration required rewriting chain definitions
Primary SDKs are in Python and JavaScript, other languages require community support
Real-time inspection of LLM requests can cause significant overhead for complex or high-throughput systems
Fit analysis
Who is it for?
✓ Best for
Developers working on AI SDK applications who need a local debugging tool
Teams that require real-time inspection of LLM requests and responses
Projects where multi-step interaction debugging is critical for application reliability
✕ Not a fit for
Teams needing cloud-based testing solutions
Projects focused solely on front-end development without AI integration
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Works well with
Next step
Get Started with Devtools
Step-by-step setup guide with code examples and common gotchas.