Madtaco
Verification & utility API for AI agents — MCP server. Sanctions screening, company & tax-ID validation, and more. madtaco.dev
Phone Validation X402
x402 micropayment API for AI agents. Validates and formats phone numbers. Pay per call with USDC on Base.
Mcp Europe Tools
MCP server providing European data validation and formatting tools for AI agents.
Sms Validator X402
Validate SMS-capable phone numbers -- mobile vs landline detection, carrier type, E.164 format, SMS readiness. -- x402 micropayment API + MCP server for AI agents
Fixzi Mcp
Monitor AI output schemas and API contracts for breaking changes — validate LLM JSON responses against defined schemas on a schedule
Veridigit
Verified IBAN, payment card, ISBN-13 and VIN validation for AI agents — runs the real checksum algorithms (mod-97, Luhn, mod-10, ISO 3779) instead of letting the model guess, and returns structured results with clear errors.
Address Validator X402
x402 micropayment API for AI agents. Validates postal addresses worldwide. Pay per call with USDC on Base.
Jsonshema Mcp
A comprehensive JSON Schema validation server implementing the Model Context Protocol (MCP) with support for JSON Schema Draft 2020-12, external references, schema management, and real-time streaming validation.
Ibanchecker Mcp
IBAN validation, extraction, format specs, and BIC/SWIFT lookup tools for AI assistants, backed by ibanchecker.cash. Covers 90 countries; no IBAN data is stored.
Cusip Api
Validate and parse CUSIP and ISIN security identifiers using official checksum algorithms. Pure computation, no external dependencies. Used by trading platforms, portfolio tools, and fintech.
Project X402
SchemaCheck Agent validates JSON payloads against JSON Schema Draft 7 and 2020-12 standards. Designed for agent-to-agent workflows, it returns structured validation results instantly — including field-level error paths, human-readable summaries, and optionally a corrected payload
Physbound
PhysBound is a specialized "Physics Linter" for AI that deterministically validates RF and thermodynamic claims against hard physical limits, preventing hallucinations in engineering workflows.
Ground Truth Mcp
Validate AI claims against live data: check endpoints, count competitors, test hypotheses.
Email Verification X402
MCP server for email address validation — syntax check, MX record verification, disposable email detection, role-based detection. Pay-per-use via x402 protocol (USDC on Base). Use this when you need to validate email addresses before sending.
Arch Deterministic
stdio MCP server from @archrad/deterministic—same engine as the archrad CLI. Validates architecture IR (structural + IR-LINT), merges local PolicyPack YAML, checks export drift vs generated files on disk, and returns static archrad_suggest_fix guidance per built-in rule code. No
Ibanforge 6f6c0f
IBAN validation & BIC/SWIFT lookup API for AI agents. 75+ countries, 39K+ GLEIF entries, SEPA compliance data, issuer classification (vIBAN detection),
Mcp Demand Discovery Ai
Validate startup ideas with behavioral evidence — not opinion. Demand Discovery AI™ is a sales-agent MCP that answers founders' questions about the validation framework, the four data-signal categories (Search & attention, Conversation & pain, Adoption & spend, Capital & hiring),
Jsonbuddy
This project provides an MCP-compatible interface for the JSONBuddy Core API, enabling JSON validation against schemas via a secure HTTP-based service. The server exposes two endpoints (`/validator/validate` and `/validator/validate-simple`) for flexible schema validation scenari
Json Toolkit Mcp
A powerful MCP server for JSON operations: pretty-print, minify, validate, diff two JSON objects, query with JSONPath, transform with templates, and generate JSON Schema. 6 tools, deployed on Cloudflare Workers with Streamable HTTP transport.
Tei Mcp
Helps AI agents read and write valid TEI XML. Look up elements, check what goes where, validate documents, and apply project-specific customisations. Provides 16 tools covering element/class/macro lookup, attribute resolution across the full class hierarchy, content model expansi
io.github.byteplant-dev/byteplant-mcp
An MCP server that provides Email, Phone and Address Validation Services from Byteplant
Mcp Test Repo Hamnhugs
Test repository for GitHub MCP server validation
Ground Truth Mcp Anish632
Validate AI claims against live data: check endpoints, count competitors, test hypotheses.
Crewhaus Mcp Server
Crewhause Mcp Servier is an MCP server on MCP.so — view details, tools, and install instructions.