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Core Cursor

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Prerequisites

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Step 1: Add CORE MCP in Cursor

  1. Open Cursor Desktop app
  2. Navigate to Settings → Tools & Integrations → Click Add Custom MCP Add Custom MCP
  3. Enter the below into mcp.json file: 
    "core_memory": {
   "url": "https://app.getcore.me/api/v1/mcp?source=Cursor"
 }
    Add URL
  4. After saving mcp.json file, core_memory MCP will appear in Tools & Integration.

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Step 2: Authenticate with CORE

  1. Sign in to your CORE account (if not done already)
  2. Click Need Login in core_memory MCP tool Need Login
  3. Cursor will prompt you to open a website for authentication. Click Open Cursor Redirect
  4. When the authentication window opens, Grant Cursor permission to access your CORE memory Grant Access
  5. Close the authentication window and click Open to allow Cursor to access this URL. Grant Access

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Step 3: Verify Connection

  1. Go to Tools & Integrations in Cursor settings
  2. Confirm the core_memory MCP shows as Active with green dot indicator Check Cursor Connected

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Using Cursor Project Rules

Use Cursor’s native Rules & Memories feature:
  1. Go to Settings → Rules & Memories → Project Rules
  2. Click +Add Rule
  3. Add the frontmatter and memory protocol from the Memory Rules guide
Use this frontmatter for Cursor: 
---
description: Core Memory MCP Instructions
alwaysApply: true
---
Then paste the memory protocol content below it.

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What’s Next?

With CORE connected to Cursor, your conversations will now:
  • Automatically save important context to your CORE memory
  • Retrieve relevant information from CORE memory
  • Maintain continuity across multiple chat sessions
  • Share context with other connected tools
Ready to test it? Ask Cursor about a project you’ve discussed before, or start a new conversation about something you’d like to remember for later.

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Troubleshooting

Connection Issues:
  • Ensure you’re core_memory MCP tool is active with a green dot, if not toggle on and off for this server
  • Check that your CORE account is active

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Need Help?

Join our Discord community and ask questions in the #core-support channel. Our team and community members are ready to help you get the most out of CORE’s memory capabilities.