What is Living Brain?

Living Brain is a Developer tools tool: Shared memory layer for AI agents via API, SDK, CLI and MCP.

How much does Living Brain cost?

Living Brain uses a Paid model; see the vendor's pricing page for current plans.

What are the best alternatives to Living Brain?

Community-listed alternatives to Living Brain include RunInfra, Cursor, Exa, Hyperresearch.

What does Living Brain integrate with?

Living Brain integrates with Claude, ChatGPT, Claude Code, Codex, Cursor, VS Code and more.

Which platforms does Living Brain support?

Living Brain is available on web.

Living Brain

Shared memory layer for AI agents via API, SDK, CLI and MCP

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Living Brain is a developer tools tool for Developers and Small businesses, offered as paid. Popular alternatives include RunInfra, Cursor, Exa.

About Living Brain

Living Brain is a persistent memory layer for AI tools from ChatAndBuild, an NVIDIA Inception member whose founder and CEO is Christel Buchanan. It captures conversations, documents, notes and links, turns them into source-linked pages and a knowledge graph, and serves the relevant context to whichever model, app or agent asks for it.

Access runs through a REST API, TypeScript and Python SDKs, a CLI and a hosted MCP server that works with Claude Code, Codex, Cursor, VS Code, Hermes and OpenClaw, while ChatGPT and Claude users can connect by signing in. Features include semantic search, connection discovery, daily briefs, page history, PDF and Office extraction, audio transcription and webhooks. The API is prepaid at $8 per million input tokens and $0.50 per million output tokens; Workspace is listed at $99 a month for three seats but is sold only with ChatChat Pro+, and Business is custom.

It fits developers and teams that switch between AI tools and want one memory they control. Context Engine offers shared memory for agents and teammates, and note apps like Notion or Obsidian store knowledge but do not serve it to agents automatically. Its benchmark claims (92.2% judged accuracy on LoCoMo) are self-reported, and the docs still call it early access.

Living Brain launched on Product Hunt on November 5, 2026 and ranked #3 on that day's leaderboard; it was ChatAndBuild's first launch since May 8, 2026. Buying tip: start with a $5 API top-up, connect it to one agent through MCP and check retrieval quality on your own data before committing a team.

Key features of Living Brain

Captures chats, files, notes and URLs into source-linked pages
Knowledge graph with automatic connection discovery
Hosted MCP server for Claude Code, Codex, Cursor, VS Code and more
Sign-in connection for ChatGPT and Claude without an API key
REST API, TypeScript and Python SDKs and a CLI
PDF, Word, PPTX and HTML extraction plus audio transcription
Daily briefs, semantic search and page version history
Webhooks, Slack integration and Telegram capture

Pros and cons

Pros

Model-independent memory that follows you across AI tools
Pay-as-you-go API with a $5 minimum and no subscription
Many access routes: API, SDKs, CLI and MCP
Markdown export keeps your knowledge portable
Business plan offers customer-cloud and on-prem options

Cons

Benchmark results are the vendor's own evaluations
Docs describe the product as early access
Workspace has no direct checkout and comes with ChatChat Pro+
Token-based billing makes monthly cost hard to predict
API tier allows only one project and one seat

Living Brain pricing

Living Brain uses a paid model.

Plan	Price	Includes
API	$8 per 1M input tokens	$0.50 per 1M output, prepaid from $5, 1 GB, 1 seat
Workspace	$99 / mo	3 seats, 10 GB; included with ChatChat Pro+, no direct checkout
Business	Custom	Dedicated, customer-cloud or on-prem deployment options

Source: livingbrain.com · checked on Nov 6, 2026

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How Living Brain compares in Developer tools

Rank by votes: #2 / 97
Starting price: —
Free alternatives: 23

Living Brain ranks #2 of 97 developer tools tools by community votes and is not directly comparable on price.

Common use cases

1Giving Claude Code, Codex and Cursor the same project memory
2Building persistent user memory into an AI app via API
3Turning meeting notes and documents into a searchable team brain
4Capturing ideas from Telegram and Slack into one knowledge base
5Supplying curated context data for fine-tuning workflows

Best for

Developers and AI-heavy teams who use several models and agents and want one portable memory layer behind them.

Not ideal for

Teams that just need a note-taking app or a proven enterprise knowledge platform (Notion, Obsidian, Context Engine).

Integrations

Claude
ChatGPT
Claude Code
Codex
Cursor
VS Code
Slack
Telegram

Our take

Living Brain is an interesting option if your work is spread across ChatGPT, Claude and coding agents and you want them to share context. Treat it as early-stage: test it with a small prepaid balance before relying on it for team knowledge.

FAQ

What is Living Brain?: Living Brain is a Developer tools tool: Shared memory layer for AI agents via API, SDK, CLI and MCP.
How much does Living Brain cost?: Living Brain uses a Paid model; see the vendor's pricing page for current plans.
What are the best alternatives to Living Brain?: Community-listed alternatives to Living Brain include RunInfra, Cursor, Exa, Hyperresearch.
What does Living Brain integrate with?: Living Brain integrates with Claude, ChatGPT, Claude Code, Codex, Cursor, VS Code and more.
Which platforms does Living Brain support?: Living Brain is available on web.
Who is Living Brain for?: Developers and AI-heavy teams who use several models and agents and want one portable memory layer behind them.

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