MCP Server Directory

JSON Validator API

JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

Verified hemp & cannabinoid regulatory data for all 50 US states + DC. Requires a HempData API key.

package-meta

npm/PyPI/Cargo package metadata + downloads + maintainer health.

Scream Void

scream-void MCP — wraps StupidAPIs (requires X-API-Key)

dazai — burn-after-reading secret (motokano)

Serve a secret to an agent exactly N times from locked RAM, then wipe it and self-destruct.

Twelvedata

Twelve Data: stocks/ETF/forex/crypto time series, quotes, dividends, splits, earnings.

Grounds LLMs in real Latin: Wiktionary lemmas, Morpheus inflections, citations.

Connectivity Index

Machine-readable FCC pre-diligence corpus for multifamily broadband infrastructure scenarios.

Va Museum

Victoria and Albert Museum (V&A) Collections MCP.

ClickUp MCP Pro

The most complete ClickUp MCP server — 161 tools + clickup_raw for the full v2/v3 API.

TractorBeeam365 MCP

MCP server for Veeam Backup for Microsoft 365: read-only review + gated, audited restore tier.

Bilig WorkPaper

Formula-backed WorkPaper tools for workbook readback, input edits, and JSON persistence.

中小企業庁が公開している公共調達情報を検索するためのサービスです。

Funcheap

Funcheap (SF Bay Area) MCP.

Vercel MCP Pro

Complete Vercel MCP: deploys, logs, projects, env, domains, DNS, certs via the full REST API

Avanan MSP (Legacy SmartAPI)

MCP server for the Avanan MSP SmartAPI — manage child MSPs, users, tenants, licenses, and usage.

PennyPilot MCP

Open-core, local, read-only MCP server for Pennylane Company API v2. Auditable READ_ONLY_GUARD.

NOAA Recon MCP Server

Hurricane reconnaissance data — HDOB flight observations, Vortex Data Messages, SFMR, and ATCF fixes

Drug Interaction Checker

Drug-drug interaction checker for clinical LLMs using RxNorm and DailyMed.

dev.swatchdog/validator

On-demand drift checks: declared CSS color, radius, spacing & type vs your own tokens or a pack

ASAM ODS odsbox jaquel MCP Server

MCP server for ASAM ODS with Jaquel query tools, connection management, and data access

cxg-census-mcp

MCP server for the CZ CELLxGENE Census. Single-cell, ontology-aware. Community, unaffiliated.

On-chain Solana payments for MCP services with SOL and USDC support.

Multi-Carrier Tracking

Auto-detect carrier from tracking number: USPS, UPS, FedEx, DHL, India Post, more.