Use zxcvbn with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Equip SecOps agents with Dropbox's zxcvbn engine. Algorithmically evaluate password entropy and crack times local.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 1 capability
The complete zxcvbn capability set.
These are the exact actions your AI can choose when you ask it to work with zxcvbn.
01
1 capability in this set.
Part of 1 available through zxcvbn.
- 01
Evaluate password
Pass the raw password string and receive a score (0-4), estimated crack time, and specific weakness feedback. Use the score to enforce minimum security policies. Algorithmsically evaluates password strength and estimates offline crack time. Essential for SecOps agents auditing user credentials
Observed, not estimated
1782ms average. Fast in production.
zxcvbn is checked daily against the live service.
- Fastest day
- 1625ms
- Slowest day
- 2085ms
- 14-day trend
- Slowing+5%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 1 capability arrives ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of zxcvbn, so you can see the experience inside your AI.
It does not authenticate your account with zxcvbn. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
zxcvbn Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_lf0q4Ji5gwBUCtWJY46nkvv7D1vmE7HnsfZgOzJP/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — zxcvbn capabilities are ready to use.
{
"mcpServers": {
"password-strength-evaluator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_lf0q4Ji5gwBUCtWJY46nkvv7D1vmE7HnsfZgOzJP/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions zxcvbn owners ask.
- 01
Is the password sent to any API?
No. The evaluation runs 100% local within the secure V8 Edge isolate, ensuring zero data leakage.
- 02
What is the score range?
It returns a score from 0 (very weak) to 4 (very strong). We recommend rejecting any password with a score below 3.
- 03
Does it detect common patterns?
Yes, it detects dates, names, sequential keyboard patterns (like 'qwerty'), and common dictionary words.
Explore
More in Loved By Devs
Rong360 Open API AI Connector
Bring high-level financial risk assessment and identity KYC directly to your agent. Evaluate credit scores and
ViewRegex Explainer Stepper AI Connector
Decompose complex regular expressions into a step-by-step AST walkthrough and perform safety audits.
ViewBeagle Security AI Connector
Scan your web applications for vulnerabilities, generate penetration test reports, and strengthen your securit
ViewCron Expression Validator AI Connector
Validate and calculate next execution times for standard and extended cron expressions.
View
Suggestions
Elemental Weakness Calculator AI Connector
Calculate combat effectiveness and identify elemental imbalances using an interaction matrix.
ViewEnv Variable Config Validator AI Connector
Validate .env files for structural integrity, type accuracy, and security hygiene.
ViewAccelerator Studio Idea Validation AI Connector
Quantitatively assess startup idea viability using market, team, and empirical data.
ViewOne-Rep Max Calculator AI Connector
Estimate 1RM strength, training intensity zones, and RPE from submaximal lifts.
View
