"Best free MCP for React app with MySQL/MariaDB database" matching MCP connectors:

Social media analytics, video analysis, and competitor intel for any MCP-compatible AI agent.

Multi-carrier shipping for AI agents: compare rates, buy labels, track packages, validate addresses

A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.

Fair-price auditor for Japanese construction estimates, returns tamper-evident receipts (SHA-256)

Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math

Intake desk for AI agents: bridges construction quotes to KIRA fair-price audit and EHN check.

400+ pay-per-call tools + 100 skill packs. USDC + USDG on 10 chains, or free via PoW.

Court-grounded Chapter 11 bankruptcy research over hosted remote MCP

Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).

Route crypto data needs through PubFi capability and gateway tools.

Real-time tennis scores, players, odds and model win-probability for ATP, WTA, Challenger, ITF.

Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events.

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

Free self-serve Agent Passports for AI agents: signed, portable, offline-verifiable credentials.

Build personal interactive apps with real URLs and persistent storage, using any AI.

Company intelligence via UK Companies House and risk screening across 386 risk data sources.

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.