MCP Server Directory

SQLGuard — Execution Certificate Firewall io.github.cabbageandtea/sqlguard

Permission before writes. Gravity→DENYs→Session $0.25. Pilot $100; Gateway $299. Probe free.

Ethereal Goods x402 Tools store.etherealgoodsco/x402-tools

70+ pay-per-call security, crypto, and data tools for AI agents via x402 USDC micropayments on Base

x402-payment-safety io.github.AgentTanuki/x402-payment-safety

Authorize x402 payments before signing with request-bound, signed safety decisions.

Wraps the AgenticWorkspace CLI as a single generic MCP tool for repo workspace scans.

WP HealthKit com.wphealthkit/mcp-server

Security audits for WordPress plugins and themes — 62 verification layers, fix plans and SBOMs.

Moltline Code Review com.moltlinestudio/codereview

Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.

Indexed search, schema-checked writes and session hooks for a markdown notes vault

ZenVault eu.zenvault/zenvault

Wake-ups, webhook inboxes, TTL memory, watches and human approval for agents. Paid per call.

NordicMCP — Fortnox eu.nordicmcp/fortnox

Hosted Fortnox MCP server: ~120 tools over Fortnox API v3. OAuth2 handled by NordicMCP.

Security-first SendGrid MCP server: dry-run default, recipient allowlists, rate caps, audit log.

Repo Security Scanner — Malicious Code & Supply Chain io.github.eltociear/repo-security-scanner

Audit GitHub repos for malicious and supply-chain code before you depend on them.

AwardSecrets Award Availability com.awardsecrets/award-availability

Award seat availability from a contracted GDS. One route, one airline, one date.

IMPOCOR-AI Nexus io.github.professoryilmaz1/impocor-ai-nexus

Agent-native security, trust, reliability, data and procurement tools for AI workflows.

Security scanner for third-party AI agent-skill files (SKILL.md, hooks, scripts) via MCP.

MCPLookup com.mcplookup/mcp

Look up independent trust ratings and security, maintenance, and adoption evidence for MCP servers.

tollbooth-oauth2-collector io.github.lonniev/tollbooth-oauth2-collector

Unauthenticated OAuth2 callback collector for Tollbooth MCP services

AdsAgent — Google Ads MCP md.adsagent/google-mcp

Hosted Google Ads MCP with OAuth, bounded reads, and prepare/confirm writes.

Execute auth-sentinel-mcp io.github.Evozim/auth-sentinel-mcp

Premium agentic endpoint for auth-sentinel-mcp.

Qumge: Agent Capabilities & Skills com.qumge/skills

Find, call and pay per call: the capability layer for agents, plus skills. One key or OAuth.

ScanLabsAI Security Scanner com.scanlabsai/scanner

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

Resolve a company domain to its GitHub organization with repo, language and activity signals.

pdata Prediction Markets world.pdata/mcp

Polymarket, Kalshi + 6 more prediction markets: live odds, volume, movers. Read-only, no auth.

Local audit evidence for agents: source, workflows, runtime, repair and native scanner status.

IntoDNS.ai DNS & Email Security Scanner ai.intodns/scanner

DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.