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Datacron MCP server

by VBlackJack·io.github.VBlackJack/datacron·v2026.1103.0·1 stars
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Local-first MCP server that exposes a Markdown vault through MCP.

A92/100grade A
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Safety scan
A92/100

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Adoption
Growing

1 stars1.3k downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Datacron tools

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New listings are scanned within a day or two of arriving.

How Datacron compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
92/100
higher than 95% of 48,255 servers
GitHub stars
1
more than 65% of 28,688 servers
Downloads a week
1,268
more than 95% of 12,191 servers with a package

Release history: 9 versions in the registry since 2026-09-13, latest 2026-11-03, typically one every 5 days.

Install Datacron in Claude Code, Cursor or VS Code

claude mcp add datacron -- uvx datacron
Add to Cursor

What the publisher says

From the Datacron repository's README, as published. We do not edit it. Read it on GitHub

Datacron

Local MCP server to query and maintain a Markdown vault from Claude, Codex, Gemini, or

another stdio MCP client, without sending the whole vault into the context.

<!-- mcp-name: io.github.VBlackJack/datacron -->

English | Français

What can you do with Datacron?

Recover project context, prepare for a conversation, and keep track of commitments. Datacron gives your assistant durable memory in readable, editable Markdown. Your notes remain usable independently of the client you choose.

Offline library: build a browsable Markdown library for Obsidian or another local reader, with a home page and topic indexes. Review proposed rewrites, splits and archives before changing the source vault. See the offline library guide and the 2026.0913.02 release notes.

The assistant orchestrates these requests using the available tools and granted permissions. A shared protocol guides reading, people updates, and write verification. Ambiguous identities require clarification; storing a deadline does not schedule a reminder. Explore daily follow-up.

Start here: install · first session · user guide · MCP reference · privacy.

Installation

Windows: one double-click installer

The easiest way on Windows: download Datacron-Setup.exe from the latest Release, double-click it, and pick your vault. No Python, no terminal, no administrator rights; Datacron registers itself with your AI clients automatically. Full guide: Windows installation.

Python: from PyPI

python -m pip install datacron
datacron setup

From source

From a clone of the repository:

python -m pip install -e ".[dev]"

Or, to install only the application:

python -m pip install -e .

Runtime prerequisites:

  • Python 3.11+
  • ripgrep available on the PATH for search_regex; without it that tool falls back to a slower scan of indexed chunk bodies
  • a folder of Markdown notes
  • a supported stdio MCP client, such as Claude Desktop, Codex CLI, or Gemini CLI

First session

Desktop chat does not present the server instructions: paste the session start line printed by setup into your Claude preferences (see setup).

  1. Choose your notes folder with the installer or datacron setup.
  2. Reconnect Datacron in your MCP client to load the tools and instructions. The Claude
  1. Ask: "Find the notes for my project and summarize its status with sources."

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Grade history

  • 2026-09-19restoreB → Ascore 92

Datacron: common questions

Is Datacron MCP server safe?
Yes, by our scan: it is graded A (92/100). Read the Datacron safety report
How do I install Datacron?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Datacron need an API key?
No secret keys are declared. It reads 1 setting from the environment.
Is Datacron maintained?
The last commit was 34 days ago (2026-10-01). The latest release is v2026.1103.0.
How does Datacron compare with other MCP servers?
safety score 92/100 (higher than 95% of 48,255 servers); github stars 1 (more than 65% of 28,688 servers); downloads a week 1,268 (more than 95% of 12,191 servers with a package). Full comparison.