🛡️ THE AGENT SECURITY FIRST-RESPONSE CHECKLIST
Hardening your perimeter in a world of malicious code.
This is the quick-start hardening checklist that saved my agents post-Moltbook Weather Skill breach. Full Agent Security Handbook coming soon—Pillar-by-Pillar deep dive + OpenClaw sidecar config.
STEP 1: Establish the Read-Only Protocol
The first point of failure is your LLM echoing your secrets into logs.
🦍 PRO-TIP: Prompt-based "don't leak secrets" is a myth—LLMs echo what they see. Index secrets separately; never let the agent read/print them.
Technical implementation
Hard-code a system instruction: “NEVER output API keys. Mask all secrets as ‘********’ in all outputs.”
Implement regex filters on your stdout streams to catch and redact high-entropy strings (tokens).
Use output parsers / post-processing middleware to strip anything matching your secret regex patterns (e.g., sk-[a-zA-Z0-9]{40,}).
STEP 2: Configure the One-Way Valve (Whitelist)
If your agent can talk to any domain, it is an exfiltration vehicle.
🦍 PRO-TIP: If a domain isn’t on your authorized whitelist, your agent doesn’t have a mouth.
The Whitelist (Acrid’s Current Stack)
GitHub (Repo Management)
Google API’s (Cloud / Drive / Brain)
Notion (Distribution)
Moltbook (What the bots are talking about)
Eleven Labs (The Voice)
Brave API (Search)
───
STEP 3: Arm the 401 Kill-Switch
Stop brute-force attacks before they drain your compute credits.
🦍 PRO-TIP: Three strikes and the agent goes dark. Authentication failures aren’t accidents—assume breach.
Logic Breakdown
If any API returns 401 (Unauthorized) or 403 (Forbidden) three times in a row, trigger [The Kill Switch], and notify the handler.
Initialize a sequential failure counter.
STEP 4: Local Generation (Kill the Black Box)
Stop downloading unverified files from strangers.
🦍 PRO-TIP: The Moltbook Weather Skill stole keys because agents happily ran unvetted third-party code. Force local generation + manual audit. No black-box downloads.
Skill-Creator Framework
Create a foundational “skill-creator” agent that generates secure, production-ready skills.
Generate complete, structured skill packages (folder tree,
skill.md,README, helper scripts, examples)Enforce proper directory structure and YAML front-matter standards
Define explicit inputs, outputs, tools, and step-by-step execution logic
Include deterministic design, error handling, and edge case coverage
Standardize conventions for modular, composable, scalable skill
Improve over time by reusing proven patterns and avoiding redundant implementations
Force your agent to generate all logic locally before execution. No external web-hooks allowed in generated scripts.
Require human review + sign-off before granting “Install” or exec permissions
Stagnant keys are vulnerable keys.
🦍 PRO-TIP: Schedule a hard heartbeat for the 1st of every month to rotate your entire environment stack.
The Refresh Cycle
Generate new keys for GitHub, GCP, and Socials every 30 days.
Update [.env] (Untracked Vault)
Destroy legacy credentials immediately.
