Who it is for
People who want facts from past conversations to persist across different AI assistants rather than reset each session.
ButlerBrain
Persistent memory layer with semantic search across notes
Overview
What ButlerBrain does
ButlerBrain adds a memory store that sits alongside an AI assistant and keeps information between conversations. Thoughts and notes can be saved, documents uploaded, and web pages crawled into the same store, with every entry searchable by meaning rather than exact keyword match.
The record also lists calendar event handling and native connections to other tools, Obsidian among them. Memories written through one assistant remain reachable from another, so the store is not tied to a single chat client.
Example prompts in the listing point at a domestic use case: recording that a child's soccer practice moved to Thursday at 4pm, then asking later what is known about that person across every stored memory.
What stands out
The memory store is written and read from multiple assistants, not confined to one chat product.
Availability
Where ButlerBrain is listed
ButlerBrain is listed in the ChatGPT apps directory only. ButlerBrain has no connector under the same domain in the Claude directory; 392 of the 3,150 products here are on both marketplaces, and this is not one of them.
ChatGPT apps are built on MCP, and the same server can back a Claude connector, so the absence is a distribution decision rather than a technical one.
ChatGPT listing
In the ChatGPT apps directory
- Developer
- ButlerBrain
- Filed under
- Productivity
- Listed since
- June 2026
- Authentication
- Authenticates when installed
- Website
- butlerbrain.ai
- Policies published
- Privacy policy · Terms of service
- Official listing
- Open in ChatGPT
- Snapshot
- August 2026
Example prompts from the listing
- What do I know about Lily?
- Remember that Lily's soccer moved to Thursdays at 4pm at Liberty Park.
- Tell me everything you know about Lily across all my memories.
Nearby
Other Productivity connectors
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Portable memory shared across connected AI apps
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Basic Memory Cloud
Persistent Markdown knowledge base shared across AI tools
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German trade business software: quotes, invoices, projects and customers
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Dijin Memory
Signed, citation-backed memory recall for AI sessions
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Docusign
Contract creation, search and insight extraction in Docusign
Claude · ChatGPT
EGOIST AI Passport
A consented memory layer shared across separate AI assistants
Claude
This is an independent catalogue entry compiled by Node8 from ButlerBrain's public marketplace listing as it stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with ButlerBrain, and inclusion here is not an endorsement.
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