Local-first MCP server that exposes a Markdown vault through MCP.
Connect Runs on your machine
claude mcp add datacron -e DATACRON_VAULT_ROOT=<DATACRON_VAULT_ROOT> -- uvx datacron==2026.1103.0
{
"mcpServers": {
"datacron": {
"command": "uvx",
"args": [
"datacron==2026.1103.0"
],
"env": {
"DATACRON_VAULT_ROOT": "<DATACRON_VAULT_ROOT>"
}
}
}
}
{
"mcpServers": {
"datacron": {
"command": "uvx",
"args": [
"datacron==2026.1103.0"
],
"env": {
"DATACRON_VAULT_ROOT": "<DATACRON_VAULT_ROOT>"
}
}
}
}
{
"servers": {
"datacron": {
"type": "stdio",
"command": "uvx",
"args": [
"datacron==2026.1103.0"
],
"env": {
"DATACRON_VAULT_ROOT": "<DATACRON_VAULT_ROOT>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
DATACRON_VAULT_ROOTRequired | Absolute path to the Markdown vault the server indexes and serves. |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | io.github.VBlackJack/datacron |
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