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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.”

Related MCP server: SnapBack MCP Server

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

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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