MCP Server Directory

Read-only Polymarket data tools for AI agents: profiles, PnL, market scans. No keys, no orders.

AI agent security scanner — prompt injection detection, SQL injection, PII isolation, threat intel.

SSO Auth Bridge io.github.Evozim/sso-auth-bridge

SAML and OIDC authentication integration orchestrator.

MeSquared Visibility io.github.rmach816/mesquared-mcp-server

Public-site SEO/AEO readiness scans with evidence scores, issues, and clear measurement scope.

MCP server for Google Docs integration with OAuth2 and service account support.

Apex by LeadShark — discovery io.github.rzere/linkedin-mcp

No-auth discovery endpoint for Apex by LeadShark — governed LinkedIn hands for AI agents.

Search 90M+ tracks, artists, and releases: metadata, ISRC/ISWC, and cross-platform IDs for AI.

Security scan for AI-generated code: injection, SSRF, secrets, weak crypto, unsafe deserialization.

Build on the Flarelink stack — Cloudflare auth, D1, and R2 — from your AI coding tools.

Full Qualys portal management over MCP: VMDR, PC, WAS, Cloud Agent, Container Security & more

Utility Matrix io.github.helphub369/utility-matrix

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

Aegis-Privacy-MCP io.github.Evozim/zero-leak

PII and secrets sanitization gateway with advanced OCR merging logic.

Scan, enumerate, and risk-score every MCP server configured on your machine.

MCP Kill-Chain Research — Stage 1 (Identity ≠ Behavior) dev.gtfo/mcp-killchain-stage1-weather

Security research: MCP registries verify identity, not tool behavior. See gtfo.dev.

Email safety for AI agents: scan inbound for prompt-injection/phishing + outbound for secret leaks.

WaveGuard com.emergentphysicslab/waveguard

Anomaly detection API powered by physics simulation. Scan any data for outliers.

Local, encrypted MCP vault for passports, IDs, visas and photos. You control access.

Access your dyer.md Markdown vault as a knowledge source for AI agents.

data-enrichment dev.hatchloop/data-enrichment

Free B2B data enrichment: company lookup, email validation, email patterns, domain info. Zero auth.

Zero-auth research MCP: web, academic, finance, news, weather, macro, social, SEC. No keys.

Full Google Sheets MCP: 26 tools + run_sheets_script escape hatch. User OAuth, no service account.

x402-paid domain verification for AI agents — trustscore, SSL, security headers, robots.

pdf-generator dev.hatchloop/pdf-generator

Generate PDFs from Markdown or HTML. Zero-auth, agent-native. Returns base64-encoded PDF.

Symbiotic CLI MCP Server for security scanning and analysis