What is RetainDB?
RetainDB provides durable user and agent memory for AI products, plus a company brain that connects Slack, GitHub and docs for question answering. It offers MCP connections for Claude, Cursor and Codex. It targets teams building AI agents and is free to start without a credit card.
Key facts
- Pricing
- Freemium
- Free plan
- Yes
- Category
- Coding
- Website
- https://www.retaindb.com/
- Listing updated
- Nov 13, 2026
RetainDB FAQ
What is RetainDB?
RetainDB provides durable user and agent memory for AI products, plus a company brain that connects Slack, GitHub and docs for question answering. It offers MCP connections for Claude, Cursor and Codex. It targets teams building AI agents and is free to start without a credit card.
Is RetainDB free?
Yes. RetainDB lists a free plan. Pricing: Freemium.
What are alternatives to RetainDB?
Coding alternatives to RetainDB include GitHub Copilot, Together AI, Baseten, Straion, Cursor and Pinecone.
Alternatives to RetainDB
GitHub CopilotThe premier AI pair programmer for software developers.$10 moTogether AIThe fastest cloud for fine-tuning open-source models.Usage-basedBasetenPlatform for AI model inference and trainingUsage-basedStraionManage rules and guardrails for AI coding agents.$49 moCursorAn AI-native code editor designed for pair programming.Free / $20 moPineconeA vector database for building high-performance AI applications.Free / Usage-based