MCP Server Directory

email-deliverability io.inboxguard/email-deliverability

Scan and fix a domain's email deliverability (SPF, DKIM, DMARC, MTA-STS, BIMI, DNS blocklists).

stock-signal-us com.airblockfz/stock-signal-us

US stock bottom/top signals: S&P500 + indexes, verdict + score, scans. Pay-per-call x402.

HoneyLabs net.honeylabs/mcp

Honeypot probe data: IP reputation, scanners, CVE probing, TLS and SSH fingerprints.

agent-transaction-control network.flint/agent-transaction-control

Issue Agent Passports and verify agent authority before value moves. Signed verification records.

Search, inspect and recommend AI skill packs from the GeraSkills marketplace. Offline, no auth.

PromptGuard Scan MCP space.promptguardscan/promptguardscan-mcp

Paid remote MCP for LLM security scans, jailbreak checks, analytics, checkout, and readiness.

ServerCard Trust MCP space.servercardtrust/servercardtrust-mcp

Paid remote MCP for server-card validation, auth checks, trust packets, and readiness.

parkinzi com.parkinzi/parkinzi

Live Saudi smart-parking data: spots, EV chargers, stats, and blog. Read-only, no auth.

PowerDMARC MCP com.powerdmarc/mcp

Remote MCP server bridging AI clients with the PowerDMARC email authentication Platform.

AWS security scanner with attack chain detection, IAM privilege escalation, and fixes

Deterministic security layer your AI can't be. 574 rules, 39 tools, CLI + doctor + host audit.

Cleanor app.cleanor/cleanor

Zero-auth MCP: image optimize, cited storage/format data, and dev utilities LLMs get wrong.

Symbol-level npm dependency analysis: scan verdicts, native alternatives, migration prompts.

Honest voice authenticity for AI agents: enrol a voice, verify a call clip. Signal, not verdict.

mcpoauthscopegate-mcp com.clauxel.mcpoauthscopegate/mcpoauthscopegate-mcp

OAuth scope approvals and consent receipts for remote MCP servers.

tollbooth-authority-northamerica io.github.lonniev/tollbooth-authority-northamerica

Tollbooth Authority — North America regional certifier

MCP server to scan smart contracts on Base for honeypots, rug pulls, and vulnerabilities.

An MCP server that provides interaction with StackHawk's security scanning platform.

agentdevx io.github.mirajmahmudul/agentdevx

Give your AI hands. Identity, credential vault, and API gateway for autonomous agents.

domain-intelligence-mcp-server com.thenextgennexus/domain-intelligence-mcp-server

WHOIS, DNS, SSL, IP geo for security forensics and OSINT — separate from SEO.

sec-corporate-events-mcp com.thenextgennexus/sec-corporate-events-mcp

Extract papers from ArXiv — titles, abstracts, authors, categories & PDF links. Monitor new AI, phys

Long-term memory for AI agents — your Obsidian vault as searchable persistent memory.

Dayze — Life Context com.dayze/life-context

Life context for agents: get_context_pack + public notable packs. x402 + OAuth.

Security guardrails for AI agent payments