Solo dev. Building Hjarni (knowledge base for your AI). Rails, MCP. Day job at Goboony. Belgium.

Evert Van den Bruel  • Peerlist

<h3>Enhance your AI's capabilities with Hjarni, a long-term memory solution designed for ChatGPT and Claude. Hjarni provides a simple, yet powerful knowledge base that your AI can access and utilize, eliminating the need for repetitive explanations. Save your notes once, and let Hjarni ensure your AI remembers them across all interactions.</h3><ul><li>Give Your AI A Memory: Integrate Hjarni with ChatGPT and Claude to provide them with persistent, accessible long-term memory.</li><li>Simple Knowledge Base: Hjarni acts as a readable knowledge base for your AI, storing notes and information efficiently.</li><li>Stop Re-explaining: Save time and effort by inputting information once. Hjarni ensures your AI retains context and details from previous conversations and documentation.</li><li>Use Cases: Hjarni is beneficial for developers debugging issues, founders tracking investor feedback, researchers recalling experimental details, and writers maintaining consistent narrative angles.</li><li>Team Collaboration: Share folders and knowledge bases with your team, ensuring everyone's AI has access to the same up-to-date information. This fosters consistent communication and onboarding.</li><li>Features: Includes a full REST API and native MCP server for seamless AI integration. Offers shared folders, team-wide AI conventions, and an inbox for fast idea dumping. Supports wiki-links for building a connected web of knowledge.</li><li>Data Ownership: Your data is yours. Hjarni allows you to export everything as Markdown at any time. Your data is not used for AI training or sold.</li><li>Pricing: Offers a free tier for up to 25 notes, with Pro and Teams plans available for unlimited notes and enhanced collaboration features.</li></ul>

Hjarni | Knowledge base for ChatGPT & Claude

Inspiration, frustration and lessons from over a decade of programming poured into brief essays.