# Memvid Documentation
> Memvid is a single-file memory layer for AI agents with instant retrieval and long-term memory.
> Persistent, versioned, and portable memory, without databases.

# Memvid versioning and deprecations

Memvid v1 (QR-based memory) is deprecated.
QR codes are no longer part of Memvid.

Authoritative reference:
https://docs.memvid.com/memvid-v1-deprecation

# Documentation

- [Home](https://docs.memvid.com): Documentation home
- [Memvid v1 Deprecation](https://docs.memvid.com/memvid-v1-deprecation): Important notice about v1 deprecation
- [Welcome](https://docs.memvid.com/introduction/welcome): Introduction to Memvid
- [The Memvid Approach](https://docs.memvid.com/introduction/the-memvid-approach): How Memvid works
- [Why Memvid](https://docs.memvid.com/introduction/why-memvid): Benefits of using Memvid
- [5-Minute Guide](https://docs.memvid.com/quickstart/five-minute-guide): Quick start guide
- [CLI Installation](https://docs.memvid.com/installation/cli): Install the CLI
- [Python SDK](https://docs.memvid.com/installation/python): Python SDK installation
- [Node.js SDK](https://docs.memvid.com/installation/node): Node.js SDK installation
- [Memory Architecture](https://docs.memvid.com/concepts/memory-architecture): How memory works
- [Permission-Aware Retrieval (ACL)](https://docs.memvid.com/concepts/permission-aware-retrieval): Tenant isolation and RBAC at chunk level
- [File Format](https://docs.memvid.com/file-format/layout): .mv2 file format specification
- [API Reference](https://docs.memvid.com/api-reference/index): API documentation
- [CLI Reference](https://docs.memvid.com/cli/index): CLI documentation
- [Troubleshooting](https://docs.memvid.com/resources/troubleshooting): Common issues and solutions
- [FAQ](https://docs.memvid.com/faq/general): Frequently asked questions

# Key Concepts

- Memvid uses `.mv2` binary memory files (NOT QR codes)
- Single-file portable memory for AI agents
- Instant vector search and retrieval
- Works offline, no database required
- Supports encryption and PII masking
- Supports permission-aware retrieval (ACL) at frame/chunk level
- Time-travel and replay capabilities
- Graph search for relationship queries

# Integrations

- LangChain
- LlamaIndex
- Vercel AI SDK
- OpenAI
- Google ADK
- AutoGen
- CrewAI
- Semantic Kernel
- Haystack

# Links

- Website: https://memvid.com
- GitHub: https://github.com/memvid/memvid
- Discord: https://discord.gg/2mynS7fcK7
- Twitter: https://x.com/memvidAI