MCP Server Directory

Security gateway for MCP agents: blocks prompt-injection-driven tool calls before they execute.

Carbon Arc io.github.Carbon-Arc/mcp

The infrastructure for the AI economy: primitives for inference, agents, and decisions.

Email validation MCP server using the MailboxValidator API. It can validate email addresses.

aethereum io.github.br9704/aethereum

The team layer for AI coding agents: shared contracts, collision alerts, E2EE sessions.

Compresses AI chat sessions into a typed knowledge graph. Local/offline via Ollama.

Amazon catalog auditing tool. 13 quality checks for your listings.

Supervised Meta Ads operating system for Claude Code with 57 campaign management tools.

WhatsApp Business CRM: send messages, manage contacts, campaigns, and AI agents.

Pull churn from Stripe, Postgres, MySQL, or pasted feedback. AI-ranked drivers + fixes.

global-vat-validator io.github.BWS1900/global-vat-validator

VAT Validator solving Brazil 2026 Alphanumeric shift. Supports high-precision EU, UK, IN, BR checks.

facturx-toolkit io.github.CedricKouma/facturx-toolkit

Validate, extract, repair and generate French Factur-X / EN16931 invoices via AgentForge API

Score and value collectible Telegram usernames: namability 0-100, fair price, thesis. No API key.

Contazz AutoPilot io.github.MarcioKorpHub/contazz-autopilot

Brazilian AI-powered accounting & tax automation: NFS-e invoicing, CBS/IBS tax reform, compliance.

AI assistant with RAG, web search, filesystem and memory. MCP sub-agent for Claude Code.

Secure Open Finance Brasil MCP server with typed tools and a credential-free mock mode

Bilt io.github.buildingapplications/mcp

AI agents autonomously build and deploy mobile apps through natural language workflows

Session memory for AI coding agents. Search past sessions, extract rules, and track what works.

Agent-first MCP server for WeChat Mini Program debugging & automation via WeChat DevTools.

criterion io.github.BalajSaleem/criterion

Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance.

An MCP server for weather information.

Gonka Second Opinion (multi-model) io.github.bystray/gonka-mcp-server

A second opinion for AI agents: one prompt across several live Gonka models + roles, one call.

Encrypted secrets and credential management for agents

Minimal, token-efficient Database MCP Server for PostgreSQL, MySQL, SQL Server, SQLite, MariaDB

Code intelligence MCP server: impact analysis, dependency graphs, dead code detection.