AgentIndex icon
AgentIndex
memex-mvp logo
memex-mvp
★ 13
vs
ChatCrystal logo
ChatCrystal
★ 61

memex-mvp vs ChatCrystal

memex-mvp: memex-mvp is a local-first MCP server that indexes every conversation you have with AI tools like Claude Code, Cursor, and Telegram into a single searchable SQLite database. It provides MCP tools for search and retrieval, and runs completely offline with no cloud dependency.; ChatCrystal: ChatCrystal collects conversations from AI coding tools, distills them into structured notes with LLMs, and builds a local searchable knowledge base from your real problem-solving history. It supports multiple sources like Claude Code, Cursor, Codex CLI, Trae, and GitHub Copilot, and offers desktop app, CLI, and Docker deployment options.

01

TL;DR

memex-mvp logo
memex-mvpMemory & Context · ★ 13

Search across all AI conversations from one place

Read memex-mvp full review →
ChatCrystal logo
ChatCrystalMemory & Context · ★ 61

Personal knowledge management for developers to revisit AI-assisted problem-solving experiences.

Read ChatCrystal full review →
02

Side-by-Side Comparison

Field
memex-mvp logomemex-mvp
ChatCrystal logoChatCrystal
Category
Memory & Context
Memory & Context
Stars
★ 13
★ 61
License
MIT
Apache-2.0
Install Command
curl -fsSL https://memex.parallelclaw.ai/install.sh | bash
npm install -g chatcrystal
Updated
4mo ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
ai-agent, ai-memory, claude-code
agent-skills, ai-memory, ai-tools
03

Features

memex-mvp logomemex-mvp
01Local-first, no cloud
02Indexes multiple AI chat sources (Claude Code, Cursor, etc.)
03Full-text search with BM25 and recency boost
04MCP tools for integration with any MCP client
05Auto-context injection for Claude Code
ChatCrystal logoChatCrystal
01Import AI coding conversations from local tool data directories.
02Distill conversations into structured notes with titles, summaries, conclusions, snippets, and tags.
03Search knowledge semantically with embeddings and relation-aware result expansion.
04Build a knowledge graph across related notes and decisions.
05Expose CLI and MCP tools so agents can recall and write back reusable experience.
04

Use Cases

memex-mvp logomemex-mvp
↳Search across all AI conversations from one place
↳Retrieve context about past projects when starting new sessions
↳Save web pages and AI chat shares into a persistent memory
ChatCrystal logoChatCrystal
↳Personal knowledge management for developers to revisit AI-assisted problem-solving experiences.
↳Team knowledge sharing by importing conversations from multiple tools and building a shared knowledge base.
↳Enhancing AI agents with memory of past solutions via CLI and MCP integrations.
FAQ

FAQ

What is the difference between memex-mvp and ChatCrystal?
Both memex-mvp and ChatCrystal are in the Memory & Context category. memex-mvp has 13 stars, while ChatCrystal has 61 stars.
Which is better, memex-mvp or ChatCrystal?
The best choice depends on your use case. Choose memex-mvp if Search across all AI conversations from one place, and ChatCrystal if Personal knowledge management for developers to revisit AI-assisted problem-solving experiences..
Is memex-mvp free or open source?
Yes, memex-mvp is open source on GitHub (MIT).
Is ChatCrystal free or open source?
Yes, ChatCrystal is open source on GitHub (Apache-2.0).
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Related

Alternatives to memex-mvp →Alternatives to ChatCrystal →memex-mvp details →ChatCrystal details →