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📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

OpenViking is an open-source context database designed specifically for AI Agents(such as openclaw). OpenViking unifies the management of context (memory, resources, and skills) that Agents need through a file system paradigm, enabling hierarchical context delivery and self-evolving.

Memory platform for AI Agents in 6 lines of code

Give AI agents the context to query business data correctly through the open context layer that gives AI agents grounded, governed memory, context, SQL across 20+ data sources, that helps you build agentic GenBI, text-to-sql, dashboards, and agentic analytics.

Agent Skills as a Memory Layer

🧠 Make your agents learn from experience. Now available as a hosted solution at kayba.ai

Lean Cortex -- the cognitive context layer for agentic systems. 51+ MCP tools, 10 read modes, 95+ shell patterns. Up to 99% token savings. Works with Cursor, Claude Code, Copilot, Windsurf, Codex, Gemini.

Vibe-Skills is an all-in-one AI skills package. It seamlessly integrates expert-level capabilities and context management into a general-purpose skills package， enabling any AI agent to instantly upgrade its functionality—eliminating the friction of fragmented tools and complex harnesses.

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answers. Library, proxy, MCP server.

👾 nao is an open source analytics agent. (1) Create context with nao-core cli, (2) deploy nao chat interface for everyone

ApeRAG: Production-ready GraphRAG with multi-modal indexing, AI agents, MCP support, and scalable K8s deployment

Universal AI context generator. Saves thousands of tokens per conversation in Claude Code, Cursor, Copilot, Codex, and more.

AI coding dream team of agents for VS Code. Claude Code + openai Codex collaborate in brainstorm mode, debate solutions, and synthesize the best approach for your code.

The foundation layer for agentic intelligence.

Ultimate Context Engineering Infrastructure, starting from MCPs and Integrations

CTX: a tool that solves the context management gap when working with LLMs like ChatGPT or Claude. It helps developers organize and automatically collect information from their codebase into structured documents that can be easily shared with AI assistants.

Turn every AI agent session into company intelligence. Nex silently unifies every AI agent conversation with your email, Slack, CRM, and 100+ tools into one knowledge graph. The more your team works, the smarter every agent gets.

Plugin for context engineering in Claude Code, Cursor, and Codex

The linter for your agent harness. Works with Claude Code, Codex, and Cursor.

Local-first memory governance for OpenClaw: Store / Pack / Observe cited, inspectable, rollbackable agent context.

Verified knowledge for AI agents. Compress context, extract and store facts, define rules, and ask questions — get deterministic answers with proof, not LLM guesses. Connect agents via MCP, Python SDK, TypeSc