auth

A command-line login workflow for the ArchAstro developer platform. It uses a browser-based sign-in and checks whether authentication succeeded.

In plain words
What is it for?
Use it to check login status, start authentication with an email address, re-check access after browser login, or reset stale server settings.
Why use it?
It avoids guessing whether an account is already connected and helps correct settings that point to the wrong server. It also gives recovery suggestions when login fails.

Command for Claude Code

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add commands/archastro/archagents/auth
Clone the repo
git clone --depth 1 https://github.com/ArchAstro/archagents

Made for: Claude Code.

Per session 8 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 311 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00008 $0.00311
Opus 5 $0.00004 $0.00156
Sonnet 5 $0.00002 $0.00062
Haiku 4.5 $0.00001 $0.00031

Measured 2d ago against content hash 00f91685cea3, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

auth scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude-plugins/archagents/commands/auth.md · 43 lines

What it actually says

ArchAgent CLI Authentication

Authenticate the user with the ArchAstro developer platform via browser-based login.

Workflow

  1. Check whether the user is already authenticated:

    archagent auth status
    

    If the user is already authenticated, show their status and ask whether they want to re-authenticate.

  2. Reset any stale settings overrides that may point to localhost:

    archagent settings reset
    

    This ensures the CLI uses the production URLs.

  3. Start the login flow:

    archagent auth login <email>
    

    Keep the session responsive while the browser-based auth flow runs.

  4. Tell the user the auth flow is running and they should complete login in their browser. The CLI opens https://developers.archastro.ai and prints a URL if the browser does not open automatically.

  5. When the user says they have logged in, or when it is time to re-check, wait for the login command to finish and then run:

    archagent auth status
    
  6. On success, confirm authentication succeeded and show the user their status.

  7. On failure, show the error and suggest:

    • Check their internet connection.
    • Try archagent settings reset if URLs look wrong.
    • Try again with archagent auth login <email>.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 43 lines · 8 tokens per session scan A 00f91685cea3

Subscribe to this mod's changes

auth is a command published in the GitHub repository ArchAstro/archagents (5 stars, last pushed 16d ago), licensed MIT. It adds 8 tokens to every session and 311 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.