Security MCP Servers

Auth, encryption, vulnerability scanning

1,847 servers

VaultRubric

55
Remote

Sourced, scored comparisons of crypto exchanges, wallets, savings accounts and brokerages.

1

netintel-mcp

55
npx

MCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments

169/wk

@guardbee/mcp-secret-scanner

55
npx

MCP server that scans files and directories for exposed secrets, API keys, and credentials

1,705/wk

@vaultcompass/vault-guard-mcp

55
npx

Let Cursor and Claude scan AI-proposed edits for secrets before applying. Local MCP server.

263/wk

@darkmoon_ai/mcp-server

55
npx

MCP server for a self-hosted Darkmoon Pro instance: start autonomous AI pentest runs, poll status, list campaigns and read findings.

32/wk

io.github.kastelldev/kastell

54
npx Auth Required

Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.

59

@signet-auth/mcp-tools

54
npx

Standalone MCP server exposing Signet signing, verification, and content hash tools

37 46/wk

s-gw

54
npx

Keep credentials out of AI coding agents with local approvals, scoped injection, and audit trails.

15

io.github.Rul1an/assay

54

The firewall for MCP tool calls. Block, audit, replay with evidence bundles.

13

Tokenectomy Razor

54
npx

Cut 95% of framework noise and token bloat from error logs for AI agents.

6

Ebay

54
npx Auth Required

eBay MCP — Browse + Taxonomy APIs via client_credentials OAuth

1

@vantasdk/vanta-mcp-server

54
npx

Model Context Protocol server for Vanta's security compliance platform

41,404/wk

@costrinity/vitna-compliance-mcp

54
npx

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.

38/wk

@mcp-index/sdk

54
npx

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

243/wk

@ismalicious/mcp-server

54
npx

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

624/wk

@subactid/mcp

54
npx

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.

8/wk

@1claw/mcp

54
npx

MCP server for the 1claw secrets vault — lets AI agents fetch, store, and manage secrets at runtime

1,515/wk

@black-duck/mcp-server

54
npx Caution 75

Black Duck MCP brings Signal's AI-powered security analysis directly into your development environment. Provides vulnerability detection through the Model Context Protocol.

259/wk

@ansvar/eu-regulations-mcp

54
npx

The first open-source MCP server for European cybersecurity regulations. Query DORA, NIS2, GDPR, EU AI Act, and more directly from Claude.

235/wk

@stablecoinx/mcp

54
npx

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

121/wk

@gongrzhe/server-calendar-autoauth-mcp

54
npx

A Model Context Protocol server for Google Calendar integration with auto authentication

2,064/wk

mcp-oauth-server

54
npx

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.

590/wk

@gildara/mcp-server

54
npx

MCP server for Gildara — operating contracts for AI agents. Structured runtime instructions compiled into optimal system prompts.

36/wk

context8-mcp

54
npx

Context8 MCP server for remote error solution vault with semantic search

123/wk
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