
Mem0
Memori
Agentmemory
Supermemory
Tempreon
cognee
TheSecondBrain.dev
Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client

PermitGrab
100 Contractor
Buildzoom
BuildStar
Building Radar
BuildKeeper
BuildPass
New building permits in your service area, emailed every morning. Live city data, 14 trades, from pools to roofing and solar.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | chainmemory.ai | firstdig.net |
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| Listed in |
In their own words, as submitted to SaaSHub.


ChainMemory gives your AI agents persistent memory that belongs to YOU — not to a single vendor. Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored...
No description of FirstDig yet.
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ChainMemory and FirstDig. For example, how are they different and which one is better?
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Source-dated public building-permit records for construction research.
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Persistent memory from agent trace, not just conversation
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Persistent memory for Claude Code, Codex & coding agents
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