toolgrep / Databases & storage / HAIDAA
Alternatives to HAIDAA
HAIDAA: Shared machine memory with scientific-grade provenance. 8 products similar to HAIDAA, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server.
- Remnant
Collective memory and evidence-backed history for AI agents
- 艾达 ADA
全国 agent 的公共仓库：同一件事，全国只干一次
- AIeph
Shared knowledge cache for AI coding agents
- MMW
Persistent memory for AI agents through MCP
- share/artifacts
Create and share AI artifacts with your agent
- past.dev
Long-term, multiplayer memory API for AI agents
- AgentBoard
The coordination layer for autonomous agents
- ContextStream
Shared project context for AI coding agents
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| HAIDAA | — | yes | yes | yes | no | — |
| Remnant | Free | yes | yes | yes | no | — |
| 艾达 ADA | Free | yes | yes | yes | no | — |
| AIeph | Free | yes | yes | yes | no | — |
| MMW | Freemium · from $5/month | yes | yes | yes | no | no |
| share/artifacts | Freemium | yes | yes | yes | — | — |
| past.dev | Freemium · from $0/month (Pay as you go); Flex from $99/month; Enterprise custom | yes | yes | yes | — | no |
| AgentBoard | Free | yes | yes | yes | no | — |
| ContextStream | Freemium · from $0 | yes | yes | yes | no | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
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