IN THE FIELD GUIDE
markdown
markdown.locker
Markdown Locker is a local-first markdown editor for Mac that stores notes as plain .md files on the user's machine. It supports AI integration by allowing agents to attach via MCP without uploading the vault, preserving privacy and local control.
THE PRODUCT, BEYOND THE PITCH
Editorially reviewed · Sources checked Sep 11, 2026
A good fit for
- Mac users who prefer markdown files and want integration with AI tools using their own API keys.
Know the limitations
- Only available for Mac platform.
- AI features require bringing your own API keys; the app does not host or provide keys.
What you can do
- Use AI agents to query and draft notes directly from the local markdown files via MCP.
Features
- Capture notes as ordinary markdown files that agents can read.
- Smart Paste to convert web content into clean markdown.
- Versioned Save keeps prior versions of notes under a versions/ folder on disk.
- Workspace provides a two-panel studio with a living document and a conversation panel for long-form writing and AI interaction.
- MCP (Markdown Content Protocol) allows AI agents like Grok Build and Cursor to attach locally to the same folder for read-only access.
Integrations
- Supports AI agents such as Grok Build, Cursor, and Claude via MCP protocol.
Platforms & data export
- Mac only.
- Exports notes as plain markdown (.md) files.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Known monthly subtotal
$0.00/month
1 of 1 tools could not be priced with these inputs, so this is not the full cost.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
| No pricing recorded yet. Check the official site, or ask the owner to add it. | |||
A practical workflow
- Use Workspace for two-panel writing and AI conversation over the same notes folder.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
Filter alternatives →Candidates based on category and primary feature. Check feature and pricing differences before switching.
Plan a switch from markdown →What changed
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