Warm MCP

Codex CLI finance data with local Warm MCP

Use Codex CLI to query your Warm transaction and account data from the terminal through a read-only local MCP server.

See pricing View documentation

Local package over stdio · Read-only tools · No hosted remote MCP endpoint

codex-mcp-config.json local stdio

command

npx -y @warmio/mcp --server

read tools

get_accounts · get_transactions · get_financial_state · verify_key

writes

No edit, transfer, or delete tools.

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MCP setup

Install with one command.

Use the installer or add the Warm MCP server config to Codex CLI with your scoped API key.

Terminal shell 
npx @warmio/mcp
Manual config

Use this only if you prefer editing your Codex MCP config yourself.

codex-mcp-config.json json 
{
  "mcpServers": {
    "warm": {
      "command": "npx",
      "args": ["-y", "@warmio/mcp", "--server"],
      "env": {
        "WARM_API_KEY": "your-api-key"
      }
    }
  }
}

Create your key in Settings → API Keys.

Terminal access, read-only.

Read-only access

Scoped to your data

Revocable anytime

FAQ

Can Codex CLI use Warm financial MCP data?

Yes. Codex CLI can call Warm MCP tools for accounts, transactions, recurring payments, and net worth snapshots.

How do I connect Codex CLI to Warm?

Use npx @warmio/mcp and configure your Codex MCP settings with your WARM_API_KEY from Warm Settings.

Can Codex CLI write or modify my financial data?

No. Warm MCP is read-only and does not expose write operations.

Available on paid Warm plans.