Autonomous OpenClaw Agent Runs 24-Hour Cold Outreach with API Keys

A developer conducted an experiment giving an OpenClaw agent full read/write access to run an entire cold outreach operation for 24 hours with zero human intervention. The agent handled lead generation, qualification, hyper-personalized cold emailing, and content scheduling autonomously.
The Tech Stack
- Agent Framework: OpenClaw (handles the autonomous loop and reasoning)
- Execution/Integrations: Zapier MCP (Model Context Protocol) for native access to Gmail, Google Sheets, and social scheduling
- Research: Brave Search API for querying the web, reading company 'About' pages, and identifying pain points
- LLM: Gemini/OpenRouter to handle heavy context windows during qualification
The 3-Step Execution Loop
- Search & Scrape: The agent queries Brave for specific company types
- Qualify: Cross-references scraped data against strict rules (company size, niche signals), pulls contact info if qualified, and logs it in Google Sheets via Zapier
- Execute: Drafts a highly personalized email referencing specific details from the company's site, then triggers Zapier Gmail integration to send it
The developer notes that the biggest bottleneck isn't LLM reasoning but rate limits and getting integrations to fire cleanly without timing out. The experiment required careful setup with specific constraints to prevent hallucinations or spam. The developer questions what safeguards others are implementing when trusting agents with live email credentials.
📖 Read the full source: r/openclaw
👀 See Also

Developer Reports Rapid Prototyping with Claude AI in Three Evenings
A developer used Claude AI to create a project in three partial evenings that would have required a full dev team several weeks, producing a working first prototype in less than an hour and adding multiple features rapidly.

Automating IRS Gambling Tax Reports with OpenClaw
A developer used OpenClaw to extract transaction data from DraftKings, FanDuel, and BetRivers, filter out bonus bets, pair wagers to payouts via balance continuity, and generate IRS-ready CSVs and PDF audit reports in a single session.

Building a Discord Cat Monitoring Bot with ESP32-S3, MiniClaw, and Multimodal AI
A developer built a Discord bot using an ESP32-S3 Sense with MiniClaw that captures images or audio of their cat, sends them to Zhipu AI's VLM-4V model, and returns natural language descriptions instead of generic motion alerts.

Comparing PRD Execution: Bash Loop vs. Agent Teams in Claude Code
A developer benchmarked PRD execution with Claude Code using both a bash loop and the Agent Teams feature. The Agent Teams approach was found to be significantly faster, although it had some coordination overhead.