A brain for AI agents is a persistent, governed memory layer that agents query and update over MCP. Instead of per-tool context files and chat histories, every agent shares one permission-aware knowledge store: same facts, same rules, full audit trail. AIVM Brain is that layer, free to start, connected in minutes.
Why agents need a brain at all
Every agent you run wakes up with amnesia. Claude Code forgets the migration decision, Codex re-reads the repo from scratch, your assistant asks for the address it was told twice. The standard fixes are context files written by hand and transcripts stuffed into prompts, which is how teams end up maintaining five copies of the truth, one per tool.
A second brain for AI agents inverts that: knowledge lives in one governed store, and agents pull what they need when they need it. Capture happens where work happens; recall happens everywhere.
Governed means it survives contact with a team
Shared memory without permissions is a breach with a friendly name. In AIVM Brain, every person and every agent holds a scoped key: retrieval is permission-aware, sensitive fields can be redacted instead of whole documents blocked, and each access is written to a tamper-evident, content-blind ledger. There are agent guardrails too: limits, human-in-the-loop where you want it, and a kill switch per key. That is what lets one brain serve an intern's agent and the CFO's without anyone holding their breath.
MCP makes it universal
The brain speaks Model Context Protocol, the open standard nearly every serious agent now supports. Anything that can register an MCP server can use your brain: the agents below have dedicated setup pages, and any other MCP-capable client connects with the same generic config block. Using ChatGPT? The path there is different (no local MCP config), so we wrote up how to give ChatGPT company knowledge safely instead.