TinyFn - 500+ Deterministic Tools for AI Agents

Validation

Email, URL, phone, credit card, UUID, JSON, semver

18

Conversion

Temperature, length, weight, currency, data sizes

53

String

Slugify, trim, reverse, extract URLs/emails, word count

31

Hashing

SHA256, MD5, HMAC, bcrypt, CRC32, hash comparison

19

Generators

UUID v4/v7, passwords, tokens, lorem ipsum, colors

15

Color

HEX/RGB/HSL, gradients, contrast ratio, palettes

30

Encoding

Base64, URL, HTML, hex, JWT decode, morse code

17

IP & Network

IPv4/IPv6 validation, CIDR, subnet calc, geolocation

16

// Claude Desktop / Cursor / Claude Code config
{
  "mcpServers": {
    "tinyfn": {
      "url": "https://api.tinyfn.io/mcp/all/",
      "headers": {
        "X-API-Key": "your-api-key"
      }
    }
  }
}

const response = await fetch(
  'https://api.tinyfn.io/v1/validate/[email protected]',
  { headers: { 'X-API-Key': 'your-api-key' } }
);

const { is_valid, domain } = await response.json();
// { is_valid: true, domain: "company.io", disposable: false }

import requests

response = requests.get(
    'https://api.tinyfn.io/v1/validate/email',
    params={'email': '[email protected]'},
    headers={'X-API-Key': 'your-api-key'}
)

data = response.json()
# {'is_valid': True, 'domain': 'company.io', 'disposable': False}

curl "https://api.tinyfn.io/v1/validate/[email protected]" \
  -H "X-API-Key: your-api-key"

# {"is_valid": true, "domain": "company.io", "disposable": false}