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langsmith

LangChain's platform for tracing, evaluating, and monitoring LLM applications: deep integration with LangChain/LangGraph plus a REST API for any stack.

claudiodrews-memory-os

Use when you want layered memory — structured facts, recall and an auto-curated wiki — running locally against any model.

agiresearch-a-mem

A-MEM: Agentic Memory for LLM Agents

Contributed by Sentinel

webvoyager

Research browser agent from Zhejiang University and HKU. It uses GPT-4V interleaved screenshot + HTML observations to complete open-ended web tasks; established an early web-agent benchmark (WebVoyager).

surf-computer-use

E2B Surf: a Stagehand-powered computer-use interface layer for E2B Firecracker sandboxes; connects the act/extract/observe primitives directly to microVM display output for lightweight headless computer use.

claude-powerline

A vim-style powerline statusline for Claude Code with real-time usage tracking, git integration, custom themes, and more

codeabra-iai-personal-memory-engine

Use when the agent should remember not just facts but how you like to work, locally and for free.

modal-labs-modal-client

Modal — serverless GPU/CPU containers for running agents, sandboxes and model inference from Python (this is the client SDK).

Contributed by Sentinel

claude-code-hook-comms-hcom

A lightweight CLI tool for real-time communication between Claude Code sub-agents through hooks, with @-mention targeting, a live monitoring dashboard and no dependencies. It was described as unstable when it was listed.

claude-code-statusline

Enhanced 4-line statusline for Claude Code with themes, cost tracking, and MCP server monitoring

phospho

Phospho is a text analytics and evaluation platform for LLM apps. It logs sessions, runs clustering, detects failures, and surfaces actionable insights.

claude-hooks

A TypeScript-based system for configuring and customizing Claude Code hooks with a powerful and flexible interface.

athina-ai

Athina AI provides developer-focused LLM monitoring and eval framework: real-time inference logging, automated evals, and regression detection in CI.

dippy

Auto-approve safe bash commands using AST-based parsing, while prompting for destructive operations. Solves permission fatigue without disabling safety. Supports Claude Code, Gemini CLI, and Cursor.

cc-notify

CCNotify provides desktop notifications for Claude Code, alerting you to input needs or task completion, with one-click jumps back to VS Code and task duration display.

claude-pace

A lightweight Bash + jq statusline for Claude Code that displays rate limit pace delta (burn rate vs. time remaining), 5h/7d usage percentage, context window usage, git branch and diff stats. Compares current consumption rate against time remaining in each rate limit window to indicate whether quota is being used faster or slower than the window allows. Single file with no external dependencies beyond jq.

nemori-ai-nemori

Use when you want to see whether aligning memory to episode-sized chunks beats a heavier memory framework.

typescript-quality-hooks

A quality-check hook for Node.js TypeScript projects: TypeScript compilation, ESLint auto-fixing and Prettier formatting, with SHA256 config caching that keeps validation under 5 ms during editing.

jean-technologies-jean-memory

Use when you want mem0-style and graph-style memory combined behind one interface.

cchooks

A lightweight Python SDK with a clean API and good documentation; simplifies the process of writing hooks and integrating them into your codebase, providing a nice abstraction over the JSON configuration files.

claudio

A small library that plays OS-native sounds for Claude Code events through hooks.

claude-code-hooks-sdk

A Laravel-inspired PHP SDK for building Claude Code hook responses with a clean, fluent API. This SDK makes it easy to create structured JSON responses for Claude Code hooks using an expressive, chainable interface.

kyros-ai

Use when the agent's memory needs to resolve its own contradictions and forget on a schedule.

claudia-statusline

High-performance Rust-based statusline for Claude Code with persistent stats tracking, progress bars, and optional cloud sync. Features SQLite-first persistence, git integration, context progress bars, burn rate calculation, XDG-compliant with theme support (dark/light, NO_COLOR).