Model Lens is an open-source alternative to Langsmith, designed for developers who need to debug Langchain agents and chains locally.
Lens support for zustand
Utils for lens implementations in react apps
AWS SDK for JavaScript Connect Contact Lens Client for Node.js, Browser and React Native
Tests the lens defined in @focuson/lens, the state defined in @focuson/state, and the fetchers in @focuson/fetcher
Low-level Lens API client
A specification of built-in AWS resources
Storage
MemLens is a tool for inspecting memory leaks in browser
The Loom Software Development Kit
The Lens environments.
GraphQL bindings for the Lens API
Real-time code feedback for pi — LSP, linters, formatters, type-checking, structural analysis & booboo
Low-level types for Lens SDK
Token-gated content for the Lens Protocol
A small EXIF image metadata reader
Shared kernel
Shared multi-paradigm application state and action manager
Critical Business Rules and Application-specific Business Rules
Lens Protocol Metadata Standards
Utilities for interacting with the blockchain.
Visibility in IAM in and across AWS accounts
Claude Code Lens — visualize your usage, costs, and sessions from ~/.claude/
Rails Lens provides unified visualization and annotation for Rails 7.2+ applications, integrating ERD generation and model annotations.
Spotlight model of attention (Posner + Eriksen zoom lens) for brain-modeled agentic AI