Features
Code map: live mapping of functions, files, dependencies with full call graph
MemDB: bi-temporal graph database where every record knows its validity period
Fleet coordination: agents announce intent, auto-merge safe overlaps, flag conflicts
Time travel: rewind to any past moment in milliseconds
MCP-native: uses Model Context Protocol for agent integration
Impact analysis: answer 'what will this break?' with 97.3% accuracy (self-reported)
Real-time agent awareness across the fleet
Sub-13ms query latency (self-reported)
8.4x faster indexing vs ArcadeDB (self-reported)
Auto-merges 90% of overlaps without human intervention
Built in Rust, runs on a laptop (16 MB at 100k records)
Integrates with Cursor, Claude Code, Codex, Hermes, VS Code, Windsurf
No LLM calls for memory or coordination
Graph traversal 12.1x faster vs ArcadeDB (self-reported)
Ingests 1,500 files in 1.5 seconds (self-reported)
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