"Max" matching MCP connectors:

Duo Data Utilities: IBAN, ISIN, VAT & Tax ID, Barcode, Timezone, Geo APIsA

com.duoleads.api

IBAN, ISIN, VAT/tax ID, GTIN validation; timezone, geo, text, chain utilities. Pay per call

Exact local utils: QR, hashing/encoding, JSON Schema, cron, markdown, diff, units, JWT, random.

DraftCheck: flags AI-writing patterns in prose with fix hints. Deterministic linter, not a detector.

UUID max (all-ones) shape

form-urlencoded percent/plus mix, input discarded

Whether a is inside [min,max], numbers discarded

Clamp n into [min,max], numbers discarded

MAC address charset, value discarded

Cache-Control max-age shape

Max UUID constant

QualityMax CloudOAuth

io.qualitymax.app

AI-native test automation for agents: manage projects, create and run tests, analyze results, and improve QA workflows.

Generate a typed SDK, CLI, and MCP server from any OpenAPI or GraphQL spec, and keep them current.

proverOAuth

com.axiomatic-ai

Lean 4 MCP server: compile, prove theorems, and formalize math with Mathlib.