Building autonomous AI agents. Notes from the team building Gravity. AI workflows, the future of recurring work, and what we learn along the way.
Ask "how many types of AI agents are there" and you will get a tidy answer: five. The standard taxonomy, set out in Russell and Norvig's textbook Artificial Intelligence: A Modern Approach, sorts agents into simple…
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Ask "is ChatGPT an AI agent?" and you get a different answer depending on which version of ChatGPT you mean and which day you ask. The plain chat box you type into is a chatbot. The newer agent and browsing modes can…
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If you have searched for AI agents lately, you have probably hit the phrase "the Big 4". It comes up constantly, and almost nobody defines it before using it. Here is the plain answer: the Big 4 AI agents are the…
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Search "best AI agents" and you get dozens of listicles that rank tools one to ten by an invented score, as if a writing assistant and a workflow automator competed in the same race. They do not. The honest answer is…
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A free tier looks like a gift until you read the fine print. Most AI agent free plans are not really about giving you free work; they are a shaped sample, generous enough to hook you, capped tightly enough that real…
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On 2026-06-12 we ran the counting scripts against this blog: 355 live posts, 704,255 words, 39 days since the first post went up on 2026-05-05. That is 9.1 posts per day at an average of 1,984 words each, written,…
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Will AI agents replace SaaS tools? Partly, and not the part most people expect. Agents are already absorbing the thin glue layer of software, the point tools, single-purpose automations, and light CRUD apps that…
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An AI agent is software that takes a goal, breaks it into steps, carries out those steps using tools such as email, browsers, and spreadsheets, and checks its own results until the work is done. You describe the…
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Google I/O 2026, held May 19 to 20, was the clearest sign yet that the large platforms have stopped treating AI agents as a side feature and started treating them as the product. Sundar Pichai opened the keynote by…
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The most adopted, highest-ROI AI agent use cases in the first half of 2026 are customer support, software engineering, and sales and marketing operations, in that order, followed by knowledge search, inbox and…
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A multimodal AI agent is an agent that perceives and acts in more than text. It can look at a screenshot or a PDF (vision), hold a spoken conversation in real time (voice), and operate software by clicking, typing,…
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If you want the short version: there is no single best AI agent platform in mid-2026, and anyone who hands you one ranked list of ten tools is selling something. The honest answer is that the category leader changes…
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Here is the difference in one line: an AI agent is the thing that decides what to do, and an MCP server is one of the things it uses to do it. The agent is the worker with a goal. The MCP server is a standardized…
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The defining AI agent security story of 2026 is not a single named company breach. It is the maturing of a handful of attack classes that researchers and standards bodies documented through 2024 and 2025, now showing…
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In 2026, AI agents can finally talk to tools and to each other through open standards rather than bespoke glue code. Two protocols dominate the conversation: MCP (Model Context Protocol) for connecting an agent to…
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AI agents fail in production in a small number of predictable ways, and the failure is almost never that the underlying model was too weak. It is that nobody built a guardrail, a test, a budget cap, or a human…
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Vendor management is the work that scales badly. Ten vendors are manageable with a spreadsheet and a good memory. Fifty vendors, each with their own contract, renewal date, spend pattern, and compliance status,…
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Every recruiter has a graveyard of good candidates. The strong applicant who was a near-miss for a role last year. The silver-medal finalist who took another offer. The promising person who was not quite ready to…
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Social media scheduling is the kind of work that expands to fill whatever time you give it. You write a good post, then spend twenty minutes reformatting it for three platforms, guessing at the right posting time,…
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SEO problems are quiet. A ranking slips two positions, then five, then off the first page. A technical change blocks a section of your site from being crawled. A competitor publishes a better page and takes your…
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Product launches fail in the gaps between teams. Engineering ships on time, but the help docs are not ready. Marketing has the campaign, but sales was never briefed. The feature is live, but support gets blindsided…
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Offboarding is the process everyone agrees matters and nobody fully owns. When an employee leaves, a dozen things have to happen across HR, IT, finance, and their team: accounts closed, equipment returned, knowledge…
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Customers tell you what they think constantly, across support tickets, surveys, reviews, social posts, and sales calls. The problem is never a lack of feedback; it is that the feedback is scattered across a dozen…
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Contract review is the bottleneck that nobody schedules around. A vendor agreement lands in someone's inbox, sits for three days because legal is buried, then gets a rushed read because the deal needs to close by…
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Most teams underuse the content they already make. A blog post that took a week to research gets published once and forgotten. A webinar that hundreds attended lives on as a recording nobody rewatches. A research…
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Competitor pricing changes constantly, and most teams find out too late. A competitor drops a price on your best-selling product and you keep selling at the old price for a week, losing sales you never see. Or they…
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Wedding planning is one of the most detail-dense service businesses in existence. For every hour a planner spends on creative decisions, florals, timelines, and the emotional work of guiding a couple, several more…
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Running a tutoring service means teaching is only part of the job. Behind every lesson sits a pile of scheduling requests, parent emails, intake forms, and invoices that pile up faster than any one person can…
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Supply chain management is a high-stakes coordination job buried under a mountain of repetitive communication. For every hour you spend on strategic sourcing or supplier negotiations, you spend several more chasing…
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Photography is a creative business buried under an admin business. For every hour you spend shooting or editing, you can spend just as long answering inquiries, chasing contracts, sending delivery links, and…
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