Who is building the agent operating system?
Twelve dimensions across seven providers. Re-graded as announcements land, with the market's reaction shown alongside.
OpenAI · Third-Party Integrations
Ecosystem reach · updated 2026-06-01
GPTs, connectors, and a growing app surface, but no open cross-vendor protocol of its own.
How many external services can plug in, and how easily? Connectors, app directories, and open protocols (MCP, App Intents, plugins) that let the long tail of software become agent-actionable.
- NewsOpenAI, Anthropic, and Block join Linux Foundation effort to standardize the AI agent eraTechCrunch · 2025-12-09
Anthropic donates MCP to the new Agentic AI Foundation, so MCP shifts from vendor project to neutral infrastructure.
- PrimaryOne Year of MCP: November 2025 Spec ReleaseModel Context Protocol · 2025-11-25
MCP's rise from open-source experiment to de facto standard adopted across OpenAI, Microsoft, GitHub, and Google.
- AnalysisOpenAI's Windows PlayStratechery · 2025-10-07
Argues OpenAI is making ChatGPT the operating system of the AI era, capturing value across hardware and apps alike.
- PrimaryIntroducing AgentKitOpenAI · 2025-10-06
DevDay launch of AgentKit and the MCP-based Apps SDK, turning ChatGPT's 800M users into a developer distribution channel.
- NewsOpenAI launches ChatGPT Pulse to proactively write you morning briefsTechCrunch · 2025-09-25
Pulse uses memory plus Gmail/Calendar connectors for proactive daily briefings, a shift toward anticipatory assistance.
- PrimaryIntroducing ChatGPT agent: bridging research and actionOpenAI · 2025-07-17
OpenAI's announcement of an agent that navigates sites, works with files, and connects data sources.
- AnalysisThe Agentic Era: Orchestration and Distribution, Not Model Power, Define AI MoatsDecoding Discontinuity · 2025-05-02
As frontier models converge, advantage shifts to orchestration quality and distribution reach over raw benchmarks.