post-cortex logo
post-cortex
★ 20
vs
nex-as-a-skill logo
nex-as-a-skill
★ 55

post-cortex vs nex-as-a-skill

post-cortex: Post-Cortex is an MCP server that provides AI assistants with persistent memory. It stores conversations, decisions, and insights in a searchable knowledge base with automatic entity extraction. All processing runs locally with no external API calls, ensuring privacy.; nex-as-a-skill: Nex is an intelligence layer for AI agents that provides a unified knowledge graph across different tools. It allows you to store information from one agent and recall it from any other, eliminating the need to re-explain context. It supports multiple AI platforms and integrates with various data sources.

01

TL;DR

post-cortex logo
post-cortexRAG / Knowledge Base · ★ 20

AI assistants with long-term memory across conversations

nex-as-a-skill logo
nex-as-a-skillRAG / Knowledge Base · ★ 55

Share context between different AI coding assistants

02

Side-by-Side Comparison

Field
post-cortex logopost-cortex
nex-as-a-skill logonex-as-a-skill
Category
RAG / Knowledge Base
RAG / Knowledge Base
Stars
★ 20
★ 55
License
MIT
—
Install Command
cargo install post-cortex-daemon --features "embeddings,surrealdb-storage"
npm install -g @nex-ai/nex
Updated
3d ago
3mo ago
Open Source
Yes
Yes
Tags
ai, ai-memory, graph-rag
ai, ai-agent, cli
03

Features

post-cortex logopost-cortex
01Persistent memory across sessions
02Semantic search with multilingual embedding
03Graph-RAG for enriched search results
04Knowledge graph with typed entities and relations
05Non-blocking writes with low latency
nex-as-a-skill logonex-as-a-skill
01Unified knowledge graph across AI agents
02Supports multiple AI platforms (Claude Code, OpenClaw, Cursor, Windsurf, etc.)
03Slash commands for quick recall, remember, search, and integration
04Platform-specific rules and plugins for deep integration
05Bootstrap prompt for one-command setup and configuration
04

Use Cases

post-cortex logopost-cortex
↳AI assistants with long-term memory across conversations
↳Knowledge management and retrieval for multi-session projects
↳Privacy-first local memory for AI tools
nex-as-a-skill logonex-as-a-skill
↳Share context between different AI coding assistants
↳Integrate information from email, meetings, Slack, and CRM into agent memory
↳Quickly retrieve previously stored facts during development
FAQ

FAQ

What is the difference between post-cortex and nex-as-a-skill?
Both post-cortex and nex-as-a-skill are in the RAG / Knowledge Base category. post-cortex has 20 stars, while nex-as-a-skill has 55 stars.
Which is better, post-cortex or nex-as-a-skill?
The best choice depends on your use case. Choose post-cortex if AI assistants with long-term memory across conversations, and nex-as-a-skill if Share context between different AI coding assistants.
Is post-cortex free or open source?
Yes, post-cortex is open source on GitHub (MIT).
Is nex-as-a-skill free or open source?
Yes, nex-as-a-skill is open source on GitHub.
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