Open-source memory and context for user-aware agents: scoped memory, provenance, retrieval quality, correction, boundaries, evals, and MCP/HTTP access.

π§ RepoBrain (formerly Antigravity) β Give your repo a brain. ChatGPT for your codebase: works in Claude Code, Cursor, Codex, Windsurf & more.
Enterprise-grade (40m+ LOC) codebase intelligence, zero-setup, local & private Plugin/Skill/Extension or MCP: hybrid semantic search, polyglot dependency graphs, symbol-level impact analysis & call-flow, interactive HTML viewer, cross-project & branch-aware search, DB/API/infra knowledge. 61% less tokens, 84% fewer calls, 37x faster. Cloud in beta.
138 bilingual AI marketing skills (69 VN + 69 Global) for Claude Code, OpenCode, Codex, VS Code. Four role SOP packs β content, design, performance, leader ops β plus strategy, personal brand, AI avatar, dropshipping, design master, knowledge library. 4 regions (US/EU/SEA/LATAM) + Vietnam 2025-2026. Companion: opa-kit.
PDF RAG server for cursor.
Python, LlamaIndex, LangChain, 15 Property Graph, 4 RDF , 10 Vector, OpenSearch, Elasticsearch, Alfresco, Nuxeo DBs. 14 data sources (10 auto-sync), KG auto-building, Ontologies, LLMs, Docling, LlamaParse, LiteParse, GraphRAG, RAG, Hybrid Search, AI Chat. TypeScript React, Vue, Angular frontends, REST, MCP Server. Options: Langflow, CocoIndex
SimpleMem: Efficient Lifelong Memory for LLM Agents β Text & Multimodal
Prismer Cloud
The Context Layer for unstructured data: typed, versioned datasets over S3, GCS, Azure
MCP server for external memory layer for AI agents + more . Download from pypi , and get started
Your AI Chief of Staff β a personal operating system starter kit that adapts to your role. No coding required.

Universal memory runtime for AI agents
AI-powered spec generation and review using multi-repo code graph intelligence for backend teams that ship to production.
Remote MCP Server that securely connects Enterprise context with your LLM, IDE, or agent platform of choice.
ByteRover CLI (brv) - The portable memory layer for autonomous coding agents (formerly Cipher)
Persistent memory for AI coding agents
π A zero-dependency, git-backed micro-lesson library for AI Agents to asynchronously share and search verified debugging experience. Python stdlib only. | https://misakanet.org

Open-source governed, local-first memory control plane for AI agents and teams. arXiv:2608.08253
Finds the claims in your CLAUDE.md / AGENTS.md / skills that your code no longer supports. Zero-config, no API key.
A bio-inspired cognitive memory engine β a new paradigm for Graph RAG.
Team memory for engineers and their AI agents. Lives in your repo. Shared through Git.
AI agent skills for the personal operator's craft β decisions, research, second-brain, content rotation, scenario modeling, and meta-skills to author more. Works with Claude Code, Codex, Cursor.
LeanKG: Stop Burning Tokens. Start Coding Lean.
Portable AI-agent skill: capture YouTube transcripts as Obsidian-ready Markdown with metadata, linked timestamps, language selection, and subtitle exports