530A Model MCP MCP server

An official MCP server providing deterministic projections for California 530A (Trump Account) education savings plans. It offers tools for full projection with percentile ranges, explaining verified legal facts with primary sources, and searching site knowledge. The server is read-only, requires no authentication, and ensures identical inputs always return identical results using seeded randomness for Monte-Carlo simulations.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by 530A Model

MCP endpoint (Streamable HTTP)

https://mcp.530amodel.com

Vendor documentation

What you can do with it

Model 530A account growth with Monte-Carlo percentile ranges
Explain 530A contribution caps and tax rules with primary sources
Compare different monthly contribution scenarios for a newborn

Tools advertised by the last live check:

project_530a
explain_530a
search
fetch

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http 530a-model-mcp https://mcp.530amodel.com

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add 530a-model-mcp --url https://mcp.530amodel.com

Cursor

Merge this server into .cursor/mcp.json in your project, then enable 530a-model-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "530a-model-mcp": {
      "url": "https://mcp.530amodel.com"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "530a-model-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.530amodel.com",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start 530a-model-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "530a-model-mcp": {
      "type": "http",
      "url": "https://mcp.530amodel.com"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http 530a-model-mcp https://mcp.530amodel.com

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "530a-model-mcp": {
      "url": "https://mcp.530amodel.com"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "530a-model-mcp": {
      "serverUrl": "https://mcp.530amodel.com"
    }
  }
}

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