absec-mcp
Enables security review of code diffs and files in Cursor/VS Code using local rule-based analysis with the same rule IDs as CI, no cloud required.
README
absec-mcp
Production MCP server for Cursor / VS Code Copilot — review diffs and files with the same absec rule IDs as CI.
By Agent Breach. Complements Agent Breach DAST. No account required. Not a pentest.
60-second win (Cursor)
Add to .cursor/mcp.json:
{
"mcpServers": {
"absec": {
"command": "npx",
"args": ["-y", "@agentbreach/absec-mcp@0.1.0"],
"env": {
"ABSEC_WORKSPACE": "${workspaceFolder}"
}
}
}
}
Then ask the agent: “Run absec review_diff on staged changes.”
VS Code Copilot Chat (MCP)
Same npx command in MCP settings. Tools appear as review_diff, review_file, etc.
Tools
| Tool | Purpose |
|---|---|
review_diff |
staged / unstaged / all changed files |
review_file |
one path (workspace-sandboxed) |
review_paths |
batch scan (capped) |
explain_finding |
rule catalog / CWE / fix |
apply_fix_preview |
unified-diff preview (does not write) |
list_rules |
catalog |
Suppress with # absec-ignore: ABSEC-JWT-001 or project absec.config.json.
Safety
- Local rule engine only (no Agent Breach cloud)
- Refuses path escape and secret-like filenames (
.env,*.pem) - Redacts secret snippets in findings from
@agentbreach/absec-core
License
Apache-2.0 © Agent Breach
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