Security MCP Servers
Auth, encryption, vulnerability scanning
1,847 servers
VaultRubric
Sourced, scored comparisons of crypto exchanges, wallets, savings accounts and brokerages.
netintel-mcp
MCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments
@guardbee/mcp-secret-scanner
MCP server that scans files and directories for exposed secrets, API keys, and credentials
@vaultcompass/vault-guard-mcp
Let Cursor and Claude scan AI-proposed edits for secrets before applying. Local MCP server.
@darkmoon_ai/mcp-server
MCP server for a self-hosted Darkmoon Pro instance: start autonomous AI pentest runs, poll status, list campaigns and read findings.
io.github.kastelldev/kastell
Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.
@signet-auth/mcp-tools
Standalone MCP server exposing Signet signing, verification, and content hash tools
s-gw
Keep credentials out of AI coding agents with local approvals, scoped injection, and audit trails.
io.github.Rul1an/assay
The firewall for MCP tool calls. Block, audit, replay with evidence bundles.
Tokenectomy Razor
Cut 95% of framework noise and token bloat from error logs for AI agents.
Ebay
eBay MCP — Browse + Taxonomy APIs via client_credentials OAuth
@vantasdk/vanta-mcp-server
Model Context Protocol server for Vanta's security compliance platform
@costrinity/vitna-compliance-mcp
A containment layer for AI agents that go rogue. Wraps stdio MCP servers: risky tool calls wait for a person, no API key can decide a hold (not even the agent's), and claimed accounts get signed, offline-verifiable records. Covers the servers you wrap.
@mcp-index/sdk
Pre-flight MCP tool-contract drift interceptor from mcpindex.ai, the drift-monitored MCP server index. One-line wrap() over an MCP client session that HOLDs a tool call before your agent runs it when the contract drifted from your pin. No credential handl
@ismalicious/mcp-server
MCP server for isMalicious threat intelligence — reputation verdicts for IPs, domains, URLs, file hashes, email addresses, phone numbers and breached passwords, CVE lookups (CVSS, EPSS, KEV), the CVEs exploited in the wild, vulnerability monitoring of a w
@subactid/mcp
Subact ID for MCP servers: validate task tokens against the control plane's JWKS, enforce per-tool scope, introspect high-risk tools, and log who acted for whom on every call.
@1claw/mcp
MCP server for the 1claw secrets vault — lets AI agents fetch, store, and manage secrets at runtime
@black-duck/mcp-server
Black Duck MCP brings Signal's AI-powered security analysis directly into your development environment. Provides vulnerability detection through the Model Context Protocol.
@ansvar/eu-regulations-mcp
The first open-source MCP server for European cybersecurity regulations. Query DORA, NIS2, GDPR, EU AI Act, and more directly from Claude.
@stablecoinx/mcp
Model Context Protocol server for StablecoinX. Auth via thirdweb email-OTP, then drive business account CRUD, API keys, payment sessions, the paymaster surface (clients, policy, activity, balance), webhooks, and floYsh yield sites and vault owner settings
@gongrzhe/server-calendar-autoauth-mcp
A Model Context Protocol server for Google Calendar integration with auto authentication
mcp-oauth-server
Self-hosted OAuth 2.1 Authorization Server for MCP servers (Express/TypeScript). Implements the MCP Authorization spec: Client ID Metadata Documents (CIMD), Dynamic Client Registration, PKCE, resource indicators, device flow.
@gildara/mcp-server
MCP server for Gildara — operating contracts for AI agents. Structured runtime instructions compiled into optimal system prompts.
context8-mcp
Context8 MCP server for remote error solution vault with semantic search