Features
Detect AI hallucinated functions and libraries
Flag package name plausibility issues
Identify security vulnerabilities in generated code
Verify type signatures and argument mismatches
Check for null dereference and off-by-one errors
GitHub and GitLab pull request integration
CI pipeline integration (GitHub Actions, GitLab CI, Jenkins)
Local CLI for pre-commit hooks
Web dashboard for review history
Custom rule and pattern definitions (Team plan)
Support for Python, JavaScript, Java, Go
Slack and Microsoft Teams notifications
Single-tenant deployment option (Team plan)
Trace agent executions step by step
Monitor real-time dashboards with cost tracking
Online LLM-as-judge evals for quality scoring
Automated insights with unsupervised topic clustering
SmithDB purpose-built for agent traces
Sub-second query performance across millions of traces
Full-text search with inverted index
JSON key-path filtering and trajectory queries
Self-host SmithDB inside your VPC
LangSmith Engine for autonomous issue detection and fixes
Deploy and scale agents with LangSmith Deployment
Sandboxes for safe agent-generated code execution
Fleet agents for no-code agent creation
Supports Python, TypeScript, Go, Java SDKs
