openmcp.app MCP

An open-source, MIT-licensed MCP Apps engine that allows AI assistants to build, edit, and reuse interactive applications. It features persistent shared state across chats and hosts, allowing apps to carry their own UI and data via collections. Users can create custom apps or install ready-made ones from the App Store, with full version history and undo capabilities.

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Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by SecondFirst

Vendor documentation

What you can do with it

Build interactive apps like habit trackers or budgets via plain language prompts
Install and customize ready-made apps from the hosted App Store
Share data across multiple apps using persistent collections
Undo AI edits and review change history with attribution

Source and maintenance

Community listingRegistry 0.5.9

mcp-registry: io.github.2nd1st/open-mcp-apps@0.5.9 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@2nd1st/open-mcp-apps 0.5.9

npm

@2nd1st/open-mcp-apps package definition

{
  "version": "0.5.9",
  "transport": "stdio",
  "identifier": "@2nd1st/open-mcp-apps",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "OMA_DB",
      "format": "filepath",
      "description": "Path to the SQLite store. Defaults to a fixed per-user data directory; set this to isolate a store."
    },
    {
      "name": "OMA_VIEWER",
      "format": "string",
      "description": "Browser viewer on loopback. On by default; set to 0 to turn it off."
    },
    {
      "name": "OMA_DYNAMIC_TOOLS",
      "format": "string",
      "description": "Set to 1 to also expose one open_<name> tool per saved app. Off by default, because it costs prompt cache."
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "openmcp-app-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@2nd1st/open-mcp-apps@0.5.9"
      ],
      "env": {
        "OMA_DB": "<YOUR_OMA_DB>",
        "OMA_VIEWER": "<YOUR_OMA_VIEWER>",
        "OMA_DYNAMIC_TOOLS": "<YOUR_OMA_DYNAMIC_TOOLS>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "openmcp-app-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@2nd1st/open-mcp-apps@0.5.9"
      ],
      "env": {
        "OMA_DB": "<YOUR_OMA_DB>",
        "OMA_VIEWER": "<YOUR_OMA_VIEWER>",
        "OMA_DYNAMIC_TOOLS": "<YOUR_OMA_DYNAMIC_TOOLS>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "openmcp-app-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@2nd1st/open-mcp-apps@0.5.9"
      ],
      "env": {
        "OMA_DB": "<YOUR_OMA_DB>",
        "OMA_VIEWER": "<YOUR_OMA_VIEWER>",
        "OMA_DYNAMIC_TOOLS": "<YOUR_OMA_DYNAMIC_TOOLS>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "openmcp-app-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@2nd1st/open-mcp-apps@0.5.9"
      ],
      "env": {
        "OMA_DB": "<YOUR_OMA_DB>",
        "OMA_VIEWER": "<YOUR_OMA_VIEWER>",
        "OMA_DYNAMIC_TOOLS": "<YOUR_OMA_DYNAMIC_TOOLS>"
      }
    }
  }
}

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