12 open-source projects share topics or a category with claude-obsidian. Each comparison below is drawn from recorded GitHub metadata — language, license, activity and review status. None of them is a judgement about which is better for you.
Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.
Choose obsidian-second-brain if…
you prefer a smaller, narrower project to a large one
you specifically need ai-agents or anthropic
Shares agent-skills, ai-note-taking, ai-second-brain, claude-code with claude-obsidian.
A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and maintains a persistent interlinked wiki. Works with Claude Code, Codex, OpenCode, Gemini CLI. No API key needed.
Choose llm-wiki-agent if…
you prefer a smaller, narrower project to a large one
you specifically need ai-agent or ai-tools
Shares claude-code, knowledge-graph, note-taking, obsidian with claude-obsidian.
Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.
Choose Understand-Anything if…
you would rather work in TypeScript than Python
you want the more widely starred option (90.2k)
you specifically need antigravity-skills or business-knowledge
Shares claude-code, karpathy-llm-wiki, knowledge-graph with claude-obsidian.
Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.
Choose cognee if…
Apache License 2.0 suits your use better than MIT License
you want the more widely starred option (33.0k)
you specifically need agent-memory or ai
Shares agent-skills, knowledge-graph, open-source with claude-obsidian.
Universal SEO skill for Claude Code. 25 sub-skills + 18 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, backlinks, local SEO, maps intelligence, semantic clustering, e-commerce SEO, international SEO, Google APIs, and PDF/Excel reporting. Optional DataForSEO, Firecrawl, and Banana extensions.
Choose claude-seo if…
you want the more widely starred option (26.2k)
you specifically need ai or ai-seo
Shares claude-code, claude-code-skill, open-source with claude-obsidian.
The trust layer for agent-to-agent commerce — natural-language mandates, ERC-7710 delegated permissions, x402 payments, escrow, and dispute resolution as one open, catch-all Agent Skill / Claude Code plugin.
Choose internet-court-skill if…
you would rather work in TypeScript than Python
you prefer a smaller, narrower project to a large one
you specifically need a2a or adjudication
Shares agent-skills, claude-code, claude-plugin with claude-obsidian.