datacron is an open-source, local-first MCP server that allows developers to expose and manage Markdown vaults through the Model Context Protocol. It is designed for those who want to integrate or automate workflows around Markdown content, such as with Obsidian, without depending on cloud infrastructure. The tool is self-hosted and accessible via the command line.
datacron is a Frameworks & SDKs product. Enabling developers to expose and manage Markdown vaults locally via the MCP protocol without relying on cloud services. It is built as an open-source project for developers. datacron is open source under the Apache-2.0 license. It runs on the command line, and it can be self-hosted.
VBlackJack builds and maintains datacron, and the product first shipped in 2026. Development happens publicly on GitHub with 229 commits in the last 90 days. Key capabilities include markdown vault, local-first, and MCP server. It exposes integrations via an MCP server.
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