MCP Server Directory

AlphaKey IDaaS MCP Server — Manage SSO, MFA, users, apps, and security policies through AI IDE

lintlab Screenshot Diff io.github.lintlab/screenshot-diff

Full-page website screenshots and visual diffs between two captures. Pay per capture on Apify.

GRAFOMEM CGR Read com.grafomem/cgr-read

Read Foundation-signed, offline-verifiable CGR agent-reputation attestations. No install.

Signed delivery claims for x402 capacity trades: GPU-hours, storage, API credits, bandwidth.

LifeStep Workbook, Email, QR and DNS Tools io.lifestep/dns

Inspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.

x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.

Base64 encode, input discarded io.github.sadri-dridi/base64-ok

Base64 encode, input discarded

Codebase health MCP: dead code, cycles, coupling, architectural drift.

Go Vulnerability Database Tracker — buy per-query in-session (govulnwatch) com.a2awire/data-go-vulnerability-golang-security

Go vulns: CVEs per module, fixed versions. $0.01/query. Register in-session — free testnet funds.

Snipzr com.snipzr/mcp

Short links with branded domains, cookie-less analytics and QR codes. Sign in with OAuth or a token

HVAC Builder app.hvacbuilder/hvac-builder

Design, solve and simulate HVAC systems from real components, weather years and buildings.

Delvorn io.github.MrAnderson323/delvorn

GET https://delvorn.site/api/x402/test-asset $0.05 Base. First independent=Certified+$0.05 back.

spreadsheet-builder io.github.theluckystrike/spreadsheet-builder

Open, inspect, filter, edit and convert xlsx and csv files from your AI chat. Processing is local.

AIS Gateway — the campus front desk for AIS MCP buildings ai.aislabs/gateway

Front desk for the AIS MCP campus: lists our buildings (CVE, Flight Recorder), prices, how to pay

Disposable microVM sandboxes for AI agents: run code, read/write files, git, preview URLs.

Shilpi for WordPress com.shilpibuilder/shilpi

Edit a WordPress site through scoped abilities: pages, templates, design system, SEO, shop.

TestGraph io.github.BBCBasic/testgraph

Shared semantic graph for AI reviews, classification and structured memory across AI assistants.

Microsoft Windows Security Updates (MSRC CVRF) — buy per-query in-session (msrcwatch) com.a2awire/data-windows-security-update-microsoft-cvrf

MSRC Windows updates: CVE rollups, Patch Tuesday. Register in-session — free testnet funds.

Attestwire com.attestwire/en16931

EN 16931: validate invoice data, UBL/CII or PDF; emit XRechnung/Peppol XML, never a PDF.

GridHub Electricity Market Data io.github.jalcodev/gridhub

Live and historical electricity prices and demand for 25 grids; carbon intensity for GB.

Pin visual feedback on any live web page and send it to Claude Code, Cursor or your AI agent.

Cross-repository semantic code intelligence for AI coding agents, from a local code graph.

Local MCP server for Obsidian Desktop via the official Obsidian CLI.

Craftery Developer Tools dev.craftery/tools

Developer utilities: color conversion, WCAG contrast, timestamps, UUIDs, and hashing.