Cursor extends AI‑coding agents to the browser

Cursor’s developer, Anysphere, today launched a browser‑based web app that enables users to manage a coordinated network of AI coding agents directly from desktop or mobile. The app allows developers to submit natural‑language tasks—such as building features or fixing bugs—to agents working autonomously in the background. Users can monitor progress, view agent‑generated code diffs, and merge changes into repositories—all without returning to the IDE.

The web interface builds on earlier enhancements. In May, Cursor introduced “background agents” capable of executing end‑to‑end code tasks with minimal supervision. A Slack integration followed in June, enabling teams to initiate tasks by mentioning “@Cursor” within chat threads.

Anysphere’s decision to expand beyond its IDE reflects strong demand, according to Andrew Milich, head of product engineering: “remove the friction” for users who wish to invoke Cursor in more contexts. With the new web app, agents are accessible via any device with a browser, including via a progressive web app installable on mobile platforms.

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Behind the scenes, each background agent runs in its secure isolated environment—cloning repositories, working on branches, and pushing changes when tasks complete. Agents generate their own pull requests, and teams with Git repository access can review diffs via the web interface. Users may spawn multiple agents simultaneously, allowing parallel experimentation with different AI models from providers including OpenAI, Anthropic and Google.

Slack integration deepens collaboration: agents can be triggered by tagging @Cursor within conversations. They parse context—such as bug reports or stack traces—and return code proposals through GitHub pull requests, notifying the matching Slack channel when work finishes. This feature enables non‑technical stakeholders to engage with codeflows directly through chat.

Anysphere confirmed that all paying users with access to background agents can use the new web app. It is available to subscribers on the $20 per month Pro plan and above, but not to users on the free tier.

Business metrics underpin the move. Cursor surpassed $500 million in annualised recurring revenue last month, driven by monthly subscriptions. Anysphere says the platform is now used by more than half of Fortune 500 companies, including Nvidia, Uber and Adobe.

To support enterprise needs, the company recently rolled out an enhanced tier priced at $200 per month. This tier offers significantly increased usage of AI models from multiple providers and advance access to features. Earlier this year, Anysphere closed a $900 million funding round at a $9.9 billion valuation—its third in under a year—and became one of the fastest software startups to hit $500 million ARR.

Anysphere designed Cursor’s agent rollout deliberately, avoiding premature “demo‑ware” and intending agents to reliably deliver production‑grade code. CEO Michael Truell forecasts that by 2026 agents will handle at least 20 per cent of a software engineer’s tasks.

Industry analysts note that early adopters have embraced Cursor for its mature tooling and integrations. The IDE—based on Visual Studio Code—offers familiar features with added AI capabilities like smart rewrites, codebase querying and autocomplete. Among its peers, Cursor leads in reliability, with users citing its code quality and contextual awareness as competitive strengths.

However, experts caution that expanded agent use may introduce new complexities. Discussions in developer forums highlight potential pitfalls of “vibe coding”—using AI prompts in isolation—such as drifting from coherent architecture and leaking sensitive data like API keys. Even experienced users emphasise that success requires structured oversight and thoughtful documentation.


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