auth-sniffer

Installation
SKILL.md

Auth Sniffer Skill

Source of truth:

  • FlowMind: plugins/auth-sniffer/skills/auth-sniffer.flow.yaml
  • Runtime: plugins/auth-sniffer/src/cli.ts

Deterministic Flow

  1. Preflight browser and agentping status.
  2. Select active CDP-capable browser (--browser overrides auto-select).
  3. Kill active browser process set and wait until terminated.
  4. Relaunch browser with CDP on explicit/free port.
  5. Extract required cookies, localStorage, and sessionStorage keys.
  6. Stop CDP browser, wait for shutdown, reopen normal browser.
  7. Return structured result or structured error.

Quick Commands

# Browser inventory (machine-readable)
auth-sniff --list-browsers --json

# Robot mode for a known service
auth-sniff --service twitter --robot --browser brave --json

# Custom extraction (cookie + storage keys)
auth-sniff \
  --domains .x.com \
  --cookie auth_token,ct0 \
  --localStorageKeys=twid \
  --sessionStorageKeys=auth_state \
  --robot \
  --browser brave \
  --json

Output Contract

  • Success: { "ok": true, "data": { ... } }
  • Error: { "ok": false, "error": { "code", "message", "suggestions" } }
  • Exit codes:
    • 0 success
    • 1 not found
    • 2 invalid args
    • 3 runtime error
    • 4 dependency missing
    • 5 timeout

Build + Emit

# Compile FlowMind -> SmartDown artifact
pnpm -C plugins/auth-sniffer run skills:compile

# Compile and emit skill to ~/.agents/skills/auth-sniffer/
pnpm -C plugins/auth-sniffer run skills:emit
Related skills
Installs
1
Repository
lev-os/agents
GitHub Stars
2
First Seen
Mar 21, 2026