Last EHR — Medplum vs Open Investment Model

In-depth architectural comparison of the Last EHR — Medplum and Open Investment Model MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Last EHR — Medplum when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Last EHR — Medplum Details

Choose Open Investment Model when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Open Investment Model Details

Feature & Specification Comparison

Specification	Last EHR — Medplum Developer Tools	Open Investment Model Developer Tools
Summary	Read-only Medplum chart search and patient context for MCP clients.	Read-only OpenIM search for institutional buy-side investment models and architecture.
Category & Scope	Developer Tools	Developer Tools

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "last-ehr-medplum": {
      "command": "npx",
      "args": [
        "-y",
        "@lastehr/agent-write-conformance"
      ]
    }
  }
}

{
  "mcpServers": {
    "open-investment-model": {
      "command": "npx",
      "args": [
        "-y",
        "@openinvestmentmodel/openim-mcp"
      ]
    }
  }
}

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