AgentIndex icon
AgentIndex
ToolsMCP ServersHOTCategoriesTrendingNewBest ListsCompareGuides
Submit Tool
ToolsMCP ServersHOTCategoriesTrendingNewBest ListsCompareGuides
Home/
Memory & Context/
Perenna
Perenna logo

Perenna

Active·★ 61·MIT·Updated 2026-09-09

Perenna provides a lightweight, Git-backed permanent memory solution for various AI agents, enabling them to share durable memories without vendor lock-in. It stores human-readable Markdown in a Git repository and uses a local Vexor index for retrieval, ensuring memory persistence across different agents and machines.

#AI Memory#Agent Tooling#Git-backed Storage#Vector Database#Self-hosted#Python#RAG System#Multi-agent
$ Install
$ uv tool install perenna
↗ Visit site★ GitHub
01

Features

01Git-backed permanent memory storage in human-readable Markdown.
02Local Vexor retrieval index that can always be rebuilt from Git.
03Support for various AI agents and MCP clients to share memory.
04Self-hosted with no account or proprietary cloud lock-in.
05Cross-process locking for multiple local agent processes.
02

Compatibility

Python
Runtime
Verified via docs
Git
Dependency
Verified via docs
uv
Package Manager
Verified via docs
AI Agents (MCP Clients)
Integration
Verified via docs
03

Quick start

1
$ uv tool install perenna
04

Use cases

↳Sharing durable memories across different AI agents like Claude Code, Codex, ChatGPT, and Cursor.
↳Self-hosting a private and controllable AI agent memory service.
↳Inspecting, editing, versioning, and backing up AI agent memories.
↳Ensuring AI agent memory persistence when switching between agents or machines.
05

Alternatives

⚡Top VS:
VSengram-memory★38→VSrms-memory-mcp★40→VSmcp-memory-server★27→VSdense-mem★39→
engram-memory logo
engram-memory★ 38
The highest-scoring AI memory system ever benchmarked that isn't reliant on LLM reranking. And it's free & burns less tokens.
VSCompare→
rms-memory-mcp logo
rms-memory-mcp★ 40
Persistent, local, cross-IDE memory for AI agents — markdown source of truth, LanceDB-powered semantic search, zero cloud dependency
VSCompare→
mcp-memory-server logo
mcp-memory-server★ 27
Hosted memory for AI agents that learns and forgets — feedback reranks what helps, recall fades by recency. One key across Claude, Cursor, VS Code & ChatGPT. Official MCP Registry.
VSCompare→
dense-mem logo
dense-mem★ 39
Self-hosted AI agent memory server with MCP, evidence provenance, typed claims, conflict detection, embeddings, recall, PostgreSQL, and Neo4j.
VSCompare→
mnemo logo
mnemo★ 12
Persistent AI memory with hybrid search and embedded sync. Open, free, unlimited.
VSCompare→
mcp-memory-service logo
mcp-memory-service★ 2.0k
Stop re-explaining your project to AI every session. Automatic context memory for Claude, VS Code, Cursor, and 13+ AI tools.
VSCompare→
nanobot logo
nanobot★ 49.3k
Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps
VSCompare→
telemem logo
telemem★ 494
TeleMem is a high-performance drop-in replacement for Mem0, featuring semantic deduplication, long-term dialogue memory, and multimodal video reasoning.
VSCompare→
See all alternatives →

Comments

Log in to leave a comment

No comments yet. Be the first!

On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
scarletkc /
Perenna
↗

A lightweight, Git-backed permanent memory for AI agents.

61MIT
Last commit1mo ago
StatusActive
CategoryMemory & Context
Links
Documentation↗Discussion↗Issues↗Releases↗
Cloud Infrastructure
Ad

Deploy on DigitalOcean

Host your MCP servers, Docker containers, and AI agents with $200 free credit over 60 days.

Claim $200 Free Credit
© 2026 AgentIndex.app|Built by a 10-year iOS Developer.
Best by use caseAboutContactAdvertisePrivacy PolicyTerms of UseQYSGitHubBuy me a coffee ☕

Browse by Category

MCP ServersCode AssistantWorkflow AutomationRAG / Knowledge BaseMulti-AgentBrowser AutomationLLM InfraDev ToolingObservability

Not affiliated with Anthropic, OpenAI or Microsoft.