MCP Server Directory

Centralized secrets manager MCP server. Generate .env files, rotate keys, sync to GitHub Actions.

authenticated-llm-agent io.github.mikerawsonnz/authenticated-llm-agent

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.

Security proxy that automatically wraps MCP servers with real-time monitoring and policy enforcement

Docu-Scan MCP com.spocont/docu-scan

PDF and document extraction via Google Document AI. Free trial available.

PoC benign MCP server for update-hijack security research

Runtime AI-to-AI security monitor. 23 anomaly types, OWASP MCP Top 10 coverage.

nexus-mcp io.github.nexus-api-lab/nexus-mcp

Japanese LLM security — prompt injection detection (jpi-guard) + PII masking (PII Guard). Free.

One API key, dozens of capabilities for your AI agent. Zero provider auth.

13 security recon tools for AI agents — DNS, SSL, HTTP, email, ports, ASN. Health Score 0-100.

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

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

Service Public France io.github.OneNicolas/mcp-service-public

French public services: tax, property, admin, education, healthcare, security, risks, legal texts

tinysend com.tinysend/tinysend

Email for agents: newsletters, subscribers, contacts, broadcasts. OAuth sign-in, no API key.

Classify AI systems under the EU AI Act and look up obligations and articles. Offline, no auth.

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

TomeVault io.github.olijboyd/tomevault

Search, fetch (with provenance), scan, and convert AI instruction files for agents.

Pact 5 tooling: REPL test runs, trap scanning, gas estimation, interface diff, format checks.

injection-detector io.github.viridis-security/injection-detector

Formally-verified injection/exfiltration detector for AI agents (MCP-02).

Outlook.com SNDS IP Data and IP Status reports via the OAuth-secured REST API.

e-yearbook.com Archive Search com.digitaldataonline.mcp/e-yearbook

Search over 300K U.S. yearbooks, over 100M mentions. Free preview; subscription unlocks scans.

caesar com.trycaesar/caesar

Web search and page-reading for AI agents. One-click OAuth connect, or a Caesar API key.

Enterprise certification for codebases with multi-agent security, reliability, and quality audits

Governed memory for AI agents (Paramind AI): conflict-checked writes, time-travel reads, ACL, audit.

Post-quantum secrets manager for AI agents. ML-KEM-768 + X25519 + AES-256-GCM.

Dredd MCP io.github.pduggusa/dredd-mcp

Pre-flight MCP security. Blocks compromised deps + tool drift. HMAC-signed. Dredd judges.