Mercury Agent is an open-source AI agent framework that enables users to run multi-agent systems with memory, skill orchestration, and permission controls. It operates via CLI, browser, or standalone binaries on major OSes, supporting automation of complex workflows for developers and advanced users.
Mercury Agent is an Autonomous agents & workflows product. It focuses on automating complex workflows with AI agents that can think, act, and request permission across platforms. It is built as an open-source project for developers and power users seeking AI automation. Mercury Agent is open source under the MIT license. It runs on the web, the command line, macOS, Windows, and Linux, and it can be self-hosted.
It is developed by CosmicStack, and the product first shipped in 2026. Development happens publicly on GitHub with 2.6k stars and 233 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — Mercury Agent occupies a relatively distinct niche. Key capabilities include multi-agent orchestration, Second Brain memory, and skill system.
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