// mcp/

ToolForte for AI assistants.

A free remote MCP server with 20 deterministic tools. AI models guess; ToolForte calculates. Exact IBAN checksums, VAT amounts, working days, cron schedules, and regex results inside Claude, ChatGPT, Cursor, or any MCP client.

https://toolforte.com/api/mcp/mcp

Add it in 30 seconds.

Claude (claude.ai)

Settings -> Connectors -> Add custom connector -> paste the URL below.

Claude Code

claude mcp add --transport http toolforte https://toolforte.com/api/mcp/mcp

Cursor

Settings -> MCP -> Add server -> type: streamable HTTP -> URL below.

Any MCP client

Streamable HTTP endpoint: https://toolforte.com/api/mcp/mcp

Free to use, no account needed, rate limited to 200 requests per day per IP. Need more volume or REST access? The ToolForte API gives you 10,000 metered calls per month.

20 tools, zero guessing.

Every tool returns exact, deterministic output computed by real code, so the AI answer you get is correct instead of plausible.

validate_iban

Exact mod-97 IBAN validation with country rules

calculate_vat

Add or extract VAT at any rate, rounded to cents

check_vat_number_format

EU/GB/CH VAT number syntax check

dutch_public_holidays

Dutch holidays per year, incl. movable feasts

working_days_between

Working days between dates, NL holidays aware

parse_cron

Cron expressions to human-readable + next runs

test_regex

Run regex against a real JavaScript engine

base64

Byte-exact Base64 encode/decode

url_encode

Exact percent-encoding and decoding

format_json

Real-parser JSON validation and formatting

csv_to_json

CSV parsing with delimiter detection

text_diff

Exact line-based diff with stats

generate_slug

Deterministic URL-safe slugs

validate_email

Email syntax check + typo suggestions

count_words

Exact word/character/sentence counts

password_strength

Entropy-based password analysis

generate_uuids

Cryptographically random UUID v4

convert_color

HEX/RGB/HSL/HSB conversion with exact math

markdown_to_html

Deterministic Markdown to HTML

generate_test_bsn

Dutch BSN test numbers (elfproef-valid)