Hindsight
Hindsight is an agent memory system that helps AI agents learn over time instead of only recalling chat history, for developers building agents.
What it is good for
- Giving an AI agent memory that persists across conversations
- Letting an agent learn from past sessions over time
- Replacing basic retrieval with more accurate long-term recall
- Adding memory to an existing agent with minimal code changes
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free tier plus paid plans
- Type
- Framework or SDK
- Tasks
- Works with
- OpenAI, Anthropic, Claude Code, Cursor, GitHub Copilot, Ollama
Momentum
- Rank this week
- #2 in builder tools
- Best rank
- #2 week 44, 2026
- Stars gained last week
- +4,065
- GitHub stars
- 57,890
GitHub numbers as of Nov 2, 2026. Updated weekly.
Ranking history
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Hindsight free?
- It has a free plan and paid plans, according to its own description.
- Do I need to know how to code to use Hindsight?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does Hindsight work with?
- According to its own documentation, it works with OpenAI, Anthropic, Claude Code, Cursor, GitHub Copilot, and Ollama.
- What is Hindsight good for?
- Giving an AI agent memory that persists across conversations, letting an agent learn from past sessions over time, replacing basic retrieval with more accurate long-term recall, and adding memory to an existing agent with minimal code changes.
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