Building autonomous AI agents. Notes from the team building Gravity. AI workflows, the future of recurring work, and what we learn along the way.
Fuel accounts for roughly 24 percent of total fleet operating costs, according to the American Trucking Associations (ATA, 2024). That's the single largest controllable expense for most carriers. And yet the average…
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Construction is a $1.36 trillion industry in the United States alone (U.S. Census Bureau, 2025). Yet it remains one of the least digitized sectors on the planet. Projects run over budget 80% of the time. Rework eats…
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Picking the wrong AI agent vendor costs more than the subscription fee. According to The Standish Group's CHAOS Report (2020), 66% of software projects end in partial or total failure, and poor vendor selection is a…
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I lost a customer because of 47 minutes of downtime. Not server downtime. The server was fine. The agent couldn't complete tasks because OpenAI's API was returning 503s, and I had no fallback configured. The agent…
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Most teams deploy AI agents and then track nothing. Or they track one metric, usually accuracy, and call it done. That approach misses most of the picture. According to Gartner's 2025 Agentic AI survey, only 29% of…
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An AI agent that calls five APIs holds five sets of credentials that an attacker can steal. That's not a hypothetical risk. The 2024 IBM Cost of a Data Breach Report found that stolen or compromised credentials…
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A single AI agent stuck in a retry loop can burn through thousands of dollars in API credits within minutes. According to a 2024 Stanford HAI report, enterprise AI projects regularly exceed budgets by 20 to 40…
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Your AI agent works. It answers questions, calls tools, returns useful output. But it takes eight seconds to respond, and your token bill keeps climbing. Sound familiar? Performance tuning is the difference between…
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Your AI agent just sent 4,000 customers the wrong refund amount. The clock is ticking. According to IBM's 2024 Cost of a Data Breach Report, organizations that contain breaches in under 200 days save an average of…
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Your company runs 15 agents across four departments. The LLM bill arrives as a single line item. Finance asks: "Who spent what?" You don't have an answer. That gap between aggregate spend and per-team accountability…
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Prompt injection is the #1 risk on the OWASP LLM Top 10 (OWASP, 2025). Agents amplify every LLM risk by adding tools, persistence, and autonomy. This checklist gives you 47 controls across 10 categories. Each control…
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Monitoring an AI agent is monitoring a non-deterministic distributed system. The four classic golden signals (latency, traffic, errors, saturation) translate. You need three more: token cost, tool success, and…
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A handoff is the contract between two agents (or one agent and a human) that specifies what gets passed, when, and what happens if the receiver is unavailable. Eight patterns cover most production cases. LangGraph,…
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Naive retries amplify outages; smart retries absorb them. The Google SRE book defines a retry budget so retries can't exceed a fixed fraction of normal load (Google SRE, ch. 22). For AI agents the same logic applies…
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This is the operational companion to AI agent cost models explained. That post covers the pricing axes vendors charge along. This one covers the tactics that reduce the bill in production. Most teams discover the…
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OWASP added "excessive agency" to the LLM Top 10 as LLM07 in 2025 (OWASP, 2025). The remedy is not fewer agents. It is bounded ones. An agent without a blast-radius bound turns a single prompt injection into a…
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You can build an AI agent in a weekend. Finding people who will pay to run it is the hard part. Most builders default to GitHub, get a few stars, and call it shipped. Three months later, the repo is collecting dust…
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Builders ask the same question on day one: "How do I get my agent to the top of Gravity?" The honest answer is that we do not sell that spot. Not to the loudest builder, not to the highest bidder, not to ourselves.…
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Most builders skip validation. They pick an agent idea on Saturday, build for 40 hours over two weekends, publish to a marketplace, and watch it sit at zero runs. According to CB Insights' 2024 post-mortem analysis…
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n8n's community crossed 200,000 builders in 2024 according to n8n's own docs and community stats, and the GitHub star count sits north of 60,000. That's a small city of people who know how to chain APIs together. Yet…
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If you can build an AI agent in n8n, LangChain, make.com, or any of the other workflow tools that have eaten the last three years, you can earn from it. The path from a working workflow to actual recurring revenue is…
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Most first-time AI agent builders pick the wrong agent. They chase a clever idea instead of a boring, repeatable workflow that someone already pays a human to do. The five agents below all hit the same pattern: clear…
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Veterinary practices are losing front-desk staff faster than they can hire. The Merck Animal Health Veterinary Wellbeing Study and AVMA workforce reports both frame the shortage as structural rather than cyclical…
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Restaurants ran on a 4.9 percent pre-tax margin in 2024 (National Restaurant Association State of the Industry, 2025) and food-away-from-home prices rose 4.1 percent year over year per USDA Food Price Outlook, 2026.…
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The 50-word answer. AI agents work best when they are tuned to one profession, not when they try to be everything. Gravity indexes expert-built agents across 30+ jobs today, lawyers, dentists, recruiters, ecommerce…
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Dental practices lose revenue in predictable places: 10 to 15 percent of scheduled visits to no-shows, recall lapse over 30 percent, treatment plans diagnosed but never scheduled, insurance verifications that consume…
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Builders keep asking the same question: is this agent actually worth shipping? Most answers floating around treat AI agents like SaaS products with seat counts and CACs. They are not. An agent is a piece of software…
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Most builders look at a marketplace headline split, 70/30, 80/20, 95/5, and stop reading. That's the expensive mistake. The percentage is the smallest variable in the equation. What matters is everything sitting…
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Most teams don't need another tool to build an AI agent. They need an agent that already works. According to a 2025 McKinsey State of AI survey, 78% of enterprises now use generative AI in at least one business…
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Most AI agent ROI math undercounts cost and overcounts value. The honest version puts everything on the table: token cost, tool calls, infra, observability, retry overhead, and human-in-loop time on the cost side;…
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