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Mastra.listMemory()

The .listMemory() method returns all memory instances registered with the Mastra instance.

Usage example
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const memoryInstances = mastra.listMemory();

for (const [key, memory] of Object.entries(memoryInstances)) {
console.log(`Memory "${key}": ${memory.id}`);
}

Parameters
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This method takes no parameters.

Returns
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memory:

Record<string, MastraMemory>
An object containing all registered memory instances, keyed by their registry keys.

Example: Checking Registered Memory
Direct link to Example: Checking Registered Memory

import { Mastra } from "@mastra/core";
import { Memory } from "@mastra/memory";
import { LibSQLStore } from "@mastra/libsql";

const conversationMemory = new Memory({
id: "conversation-memory",
storage: new LibSQLStore({ id: 'conversation-store', url: ":memory:" }),
});

const analyticsMemory = new Memory({
id: "analytics-memory",
storage: new LibSQLStore({ id: 'analytics-store', url: ":memory:" }),
});

const mastra = new Mastra({
memory: {
conversationMemory,
analyticsMemory,
},
});

// List all registered memory instances
const allMemory = mastra.listMemory();
console.log(Object.keys(allMemory)); // ["conversationMemory", "analyticsMemory"]
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