day.shyn/shyn is an MCP server that local-first ambient memory for your Mac — pages, meetings, notes, encrypted on-device. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 55/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"day-shyn-shyn": {
"args": [
"mcpo"
],
"command": "uvx"
}
}
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What day.shyn/shyn does
shyn.day · macOS (Apple Silicon) · pre-alpha · Elastic License 2.0
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
uvx 'mcpo' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
55/100across 5 weighted dimensions
0255075100
19
12
14
10
−45
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked mcpo against OSV.dev.
Community
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Frequently Asked Questions
- Is day.shyn/shyn safe to use?
- day.shyn/shyn has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
- How do I install day.shyn/shyn?
- day.shyn/shyn supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What AI clients work with day.shyn/shyn?
- day.shyn/shyn is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is day.shyn/shyn actively maintained?
- day.shyn/shyn is actively maintained — last commit was 9 days ago.
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Community
Discussion
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