A side-by-side look at the Regex Safety Audit and Packkit MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Regex Safety Audit for developer tools work over a hosted endpoint; choose Packkit for developer tools as a local process. You can also run both side by side in one mcpServers block.
analyze_redos_risk, generate_attack_string, suggest_safe_rewrite.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 51/100 · Good | 44/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | No auth required | Not declared |
| Pricing | Freemium | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 1 |
| Directory activity | 0 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | 3 | Not listed |
| Full listing | View Regex Safety Audit | View Packkit |
analyze_redos_riskFull structural analysis. Returns a risk level, every finding with its exact reason, and the JS atomic-group/generate_attack_stringFor a flagged pattern, generates candidate proof-of-concept inputs at a few sizes, plus a ready-to-run Nodesuggest_safe_rewriteConcrete rewritten pattern for the mechanically-fixable shapes; honest "no mechanical fix, here's what to change byNo tool names declared yet. Check the project README from the listing page.
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"regex-safety-audit": {
"url": "https://mcpize.com/mcp/regex-safety-audit-mcp"
}
}
}
{
"mcpServers": {
"packkit-2": {
"command": "npx",
"args": [
"-y",
"create-packkit"
]
}
}
}