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About
MCP server for Sapling (sl) version control
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (2 strong, 6 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
11 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Path to Sapling binary
Environment variable: SL_MCP_BINARY
Command timeout in milliseconds
Environment variable: SL_MCP_TIMEOUT
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-donovan-jasper-sl-mcp": {
"env": {
"SL_MCP_BINARY": "your-sl-mcp-binary-here",
"SL_MCP_TIMEOUT": "your-sl-mcp-timeout-here"
},
"args": [
"-y",
"sl-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
sl-mcp
MCP server for Sapling (sl). Gives LLMs structured access to Sapling repos with built-in safety guardrails.
Prerequisites
- Sapling installed and on your PATH
- Node.js 18+
Install
Claude Code
claude mcp add --transport stdio sl -- npx -y sl-mcp
Restart Claude Code. Verify with /mcp — you should see the sl server listed.
Other MCP clients
Add to your MCP config file (.mcp.json, claude_desktop_config.json, etc.):
{
"mcpServers": {
"sl": {
"command": "npx",
"args": ["-y", "sl-mcp"]
}
}
}
Tools
22 tools across three tiers:
| Tier | Tools | Confirmation |
|---|---|---|
| Read | sl_status sl_diff sl_log sl_show sl_blame sl_cat sl_root sl_smartlog | None |
| Write | sl_goto sl_commit sl_amend sl_rebase sl_shelve sl_unshelve sl_add sl_remove sl_forget sl_revert sl_undo | Destructive ops warn LLM to confirm |
| Remote | sl_pull sl_push sl_pr_submit | Always confirm with user |
Safety
- Force push to
main/masteris blocked server-side (not just a warning) - Destructive tools (rebase, revert, goto --clean) include confirmation guidance in tool descriptions
- Remote tools always instruct the LLM to confirm before executing
Configuration
| Env var | Default | Description |
|---|---|---|
SL_MCP_BINARY | sl | Path to Sapling binary |
SL_MCP_TIMEOUT | 30000 | Command timeout in ms |
License
MIT
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