MCP Server Directory

GRTwo Docs io.github.grtwo-jcansler/docs

Publish and share Markdown/HTML docs from AI assistants. Requires grtwo.app Pro. OAuth or API key.

UX-Auditor-Pro io.github.Evozim/ux-auditor-pro

Visual UI/UX scanner auditing websites for heuristic compliance.

SiteGuardian io.github.gweber/siteguardian

EU-hosted website monitoring + 17-framework compliance MCP. One anonymous tool, four authenticated.

VaultGuard io.github.Evozim/vaultguard

Secret scanner preventing leaks of corporate keys and credentials.

Hail io.github.hail-hq/hail-mcp

Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.

Utility Matrix io.github.helphub369/utility-matrix

Free browser-based calculators and analyzers for cloud cost, DevOps, security, and data governance.

OmegaAI com.queryomega/omega

Query, browse, and automate OmegaAI workspaces from any MCP client. Streamable HTTP with OAuth 2.0.

AI Agent Guardrails MCP server - security layer

tollbooth io.github.huwhitememes/tollbooth

37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.

Google Calendar for AI agents — list/create/delete events and free-busy via OAuth token.

Security audit for AI agents — scan code/diffs for leaked secrets, check deps via OSV.

Security co-pilot for AI agents. Scan for vulnerabilities, audit MCP servers, verify governance.

Ezi Home Services io.github.EziServices/mcp-public

Book, reschedule, and cancel home services (cleaning, lawn, snow) via phone OTP authentication.

ChangeThisFile com.changethisfile/mcp

Convert files between 690+ formats: image, video, audio, documents, ebooks, archives. Free, no auth.

Crypto Market Intelligence MCP io.github.FoundryNet/crypto-intel-mcp

Crypto prices, market overview, DeFi TVL, whale flows & anomaly scans for trading agents.

On-chain trust verification and Street Cred for AI agents. ERC-8004, multi-chain.

Google Scholar io.github.johnisanerd/google-scholar

Search Google Scholar for academic papers, citations, and author profiles.

shadowgate-mcp io.github.josephibra/shadowgate-mcp

Security firewall for AI agents — scans MCP calls for injection, secrets, and risks.

CheckMyVIN net.checkmyvin/checkmyvin

Decode any VIN and check open NHTSA safety recalls. Free official US government data, no auth.

Zhiji Signal — Market Phase Detection com.run402.zhiji-signal/mcp

A-share HS300 phase signals via Landau-Ginzburg framework. No auth required.

humanMCP — kapoost io.github.kapoost/humanmcp

Personal MCP server for humans who create. Proof of authorship, license control.

QuizBase com.runriva.quizbase/mcp

MCP server for trivia: 1.4M+ questions (EN+PL), 24 categories, 12 tools + 4 prompts, OAuth 2.1.

Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.

Cybersecurity training, simulation, and incident response MCP server