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how-much-claude

v1.1.0

Published

Secure local OAuth pairing helper for Claude Code and How Much AI

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Maintainers

seraphkcseraphkc

Keywords

Readme

How Much Claude connection helper

This small MIT-licensed helper connects a Claude Code subscription to How Much Usage or another How Much AI deployment without printing or pasting OAuth credentials.

The dashboard gives you a single-use command such as:

npx [email protected] connect ABCD-EFGH-JKLM --provider anthropic --url="https://howmuchusage.ai"

This package is provider-locked to Anthropic. It rejects an OpenAI provider flag before reading any credential, and its destination defaults to https://howmuchclaude.com. --url <origin> (or --url=<origin>) takes precedence over HMC_URL and that default, which makes a generated command portable across POSIX shells, PowerShell, and cmd.exe. The URL is parsed directly as data: it must be an HTTPS origin with no credentials, path, query, or fragment. Plain HTTP is accepted only for loopback development.

The helper:

  1. asks for confirmation and shows the exact destination;
  2. reads the existing Claude Code OAuth credential on this machine;
  3. sends it only to the displayed How Much AI origin; and
  4. reports display metadata without printing the credential.

On macOS it first reads Claude Code's Keychain entry, then falls back to ~/.claude/.credentials.json. On Linux and Windows it uses that credential file. Pairing codes expire after ten minutes and work once.

Requirements: Node.js 20 or newer and Claude Code signed in on the same machine.

Security

Treat a Claude OAuth credential like a password. Do not paste it into chat, support tickets, or issue trackers. The helper never prints a token, validates the destination as HTTPS (except explicit loopback development), refuses HTTP redirects instead of forwarding a credential to another origin, gives the upload a 15-second deadline, and sends only to the origin displayed before confirmation.

Claude Code may rotate a shared local refresh token. For always-on hosted monitoring, prefer the private Claude authorization flow offered in the dashboard when it is available.

Source code is included in the npm package under the MIT License.