zettelforge

by ThreatRecall · Memory & Knowledge · ★ 66

zettelforge is an MCP server by ThreatRecall. Agentic memory for CTI in Python — STIX knowledge graphs, threat-actor alias resolution, offline-first RAG, MCP server for Claude Code and LangChain agents. It has 66 GitHub stars and ranks #473 of 1287 in Memory & Knowledge by stars.

Category: Memory & Knowledge
Author: ThreatRecall
GitHub stars: 66
This week: Tracking since 18 Oct 2026
Language: Python
License: MIT (open source)
Last update: 2026-10-15 (9 days ago)
Links: Source Website

agentic-memory
ai-agent
claude-code
cti
cybersecurity
knowledge-graph
langchain
llm
llm-memory
mcp
mcp-server
mitre-attack
+8 more

How to install zettelforge

Install steps differ per project, so follow the README in the zettelforge repository. Most MCP servers start with a single command (npx -y <package>, uvx <package> or a Docker image) that you add to your client's config. The install guide shows where that goes in Claude Code, Claude Desktop, Cursor and VS Code.

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Maintain this project? Get it featured ($99/mo, pinned at the top of Memory & Knowledge) or see what featuring includes.

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Frequently asked questions

What is zettelforge?

zettelforge is an MCP server by ThreatRecall in the Memory & Knowledge category. Agentic memory for CTI in Python — STIX knowledge graphs, threat-actor alias resolution, offline-first RAG, MCP server for Claude Code and LangChain agents. It has 66 GitHub stars and ranks #473 of 1287 in Memory & Knowledge by stars.

Is zettelforge free and open source?

Yes. zettelforge is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

What are the alternatives to zettelforge?

Other Memory & Knowledge projects on MCP Harbor include open-webui, graphify, claude-mem. Each alternative links to its own page with stars, license and recent activity. The Memory & Knowledge category ranks all 1287 by stars, and you can re-sort it by growth this week.

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Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.