sieve-mcp
MCP server for Sieve — a macOS app that scans local AI coding tool history for secrets leaked into prompts.
sieve-mcp is bundled inside the Sieve Mac app. No separate install. No network calls. All operations run on-device.
Install
- Download Sieve for Mac from the App Store.
- Open Sieve → Settings → MCP → toggle Enable MCP server on.
Configure Claude Code
Add to ~/.claude/claude_desktop_config.json:
{
"mcpServers": {
"sieve": {
"command": "/Applications/Sieve.app/Contents/MacOS/sieve-mcp"
}
}
}Restart Claude Code and run /mcp to verify sieve appears.
Configure Claude Desktop
Add the same block to ~/Library/Application Support/Claude/claude_desktop_config.json and restart.
Tools
All tools are safe by design — no tool ever returns a plaintext secret value.
sieve_health_status
Returns service health and finding counts.
Response:
{
"status": "ok",
"findings_count": 12,
"scan_jobs": 3
}sieve_self_test
Verifies scanner rules and transcript source coverage are healthy.
