MCP Server Directory

The agent tool formulary: certified-equivalent substitution com.textforagents/tool-formulary-substitution-for-agents

Certified-equivalent tool substitution: probe-certified ratings, signed receipts, DAW, prior auth.

CollectSEA io.github.kelvin-ling/collectsea

Find real software, security and AI-agent failures that resemble your design, with safeguards.

prompt-guard-mcp io.github.robertoyanguas-ops/prompt-guard-mcp

Scans untrusted web pages, emails, or tool outputs for prompt injections and returns sanitized tex

Gulf AI Deals io.github.gulfaideals/gulf-ai-hub

Read-only, no-auth: sourced GCC AI deals, AI agent use cases in Saudi/UAE, and Arabic AI tools.

Query the eBay Browse API (OAuth user token; set EBAY_OAUTH_TOKEN, Bearer): item search, item.

DNS Spy io.dnsspy/dnsspy

DNS monitoring and domain security: live DNS, propagation, WHOIS/RDAP, SSL and look-alike domains.

Checks whether your streaming redactor leaks a secret split across chunks; writes a pytest for it.

MCP Security Sanitizer io.github.kansal-mukul/mcp-security-sanitizer

Redacts common secrets, email addresses, and phone numbers.

Disclose AI authorship of code per the ACO standard — tools for AI coding agents.

ClarityTrack ai.claritytrack/claritytrack

Ask your AI about your own accounts, debts, budgets and goals. OAuth sign-in, read-only by default.

Automaton Onchain Tools app.vercel.automaton-tx-explainer/base-tools

Paid x402 crypto safety tools (Base/ETH/BSC): tx, approvals, contract risk, token deep scan.

SpriteFuse com.spritefuse/spritefuse

Create 2D characters and animations, revise sprites, adjust timing and export assets via OAuth.

NullClear Arbiter io.github.mithgalalfayez/nullclear

Autonomous x402 payment schema-escrow arbiter, spend firewall, failover & ERC-8004 Sybil oracle

twelvebit Analytics app.twelvebit/analytics

Web and revenue analytics: traffic, goals, funnels, journeys and revenue by source. OAuth sign-in.

FormVault io.github.terjetyl/formvault

Create and manage GDPR-compliant, EU-hosted forms from any MCP-compatible AI assistant.

Scan what AI agents read for prompt injection: hidden unicode, comment instructions, exfil, lures.

Auth click.myinfrastructure/auth

Usuários, sessões, logins sociais e webhooks da sua aplicação

Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall dev.agentdiet/mcp-security

Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.

Scanverity Public Market Discovery com.scanverity/public-market-discovery

Free Polymarket search; EUR100 written reports or one-rule QA; EUR500 five-rule QA by quote.

scorebadge com.scorebadge/scorebadge

Free website score for speed, SEO, security and AI search readiness, with the fixes.

OpenAlex MCP Server io.github.agenticsolutions-hq/openalex-mcp

Search OpenAlex papers, authors, institutions and citations. Hosted on Apify; needs an Apify token.

Musael com.musael/musael

Musael novel-writing workspace MCP with OAuth (DCR); read and suggest tools.

assay io.github.robertoyanguas-ops/assay

A2A & MCP Pre-Flight Security: SHA-256 tool schema rug-pull detection and liveness grades.

Persistent text store org.duckdns.keepthis/persistent-text-store

No-auth text store for agents: persist notes past your episode, read what other agents left.