password-mcp
Generates strong passwords and evaluates password strength using zxcvbn, with uniform random sampling via Node's crypto.
README
password-mcp
MCP server: generate strong passwords and score password strength with
zxcvbn. Randomness comes from Node's crypto.randomBytes with rejection
sampling so the distribution is uniform across the chosen alphabet.
Tools
generate
{ "length": 20, "exclude_ambiguous": true }
→ { "password": "aB3xK7nQ2wP9vR4zM8tL" }
| Field | Default | Notes |
|---|---|---|
length |
20 | 4-256 |
lowercase |
true | |
uppercase |
true | |
digits |
true | |
symbols |
true | |
exclude_ambiguous |
false | Drops 0 O 1 l I | etc. |
At least one character from each enabled class is guaranteed.
strength
{ "password": "correct horse battery staple" }
→
{
"score": 4,
"guesses_log10": 17.34,
"crack_time_display": "centuries",
"warning": "",
"suggestions": []
}
score is the zxcvbn 0-4 strength rating. guesses_log10 is the base-10 log
of the estimated guesses needed.
Configure
{ "mcpServers": { "password": { "command": "npx", "args": ["-y", "@mukundakatta/password-mcp"] } } }
License
MIT.
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