Security MCP servers for scanning, threat intelligence and audits: let an AI assistant check code, dependencies and infrastructure for risks. 3,541 servers in this category.
Captures web pages as cryptographically signed, tamper-evident WACZ archives with screenshots, rendered HTML, and HTTP headers.
$claude mcp add --transport http web-resource-ledger https://api.webresourceledger.com/mcp
Enables AI clients to securely interact with multiple MySQL environments using SSH tunneling, connection pooling, and per-environment read-only gating.
$claude mcp add mysql-mcp-server -- npx -y mysql2-mcp-server
Grades website security headers and analyzes logs or code to identify and explain security incidents using a multi-model AI chain.
$https://github.com/smilemino/unchore-defend/releases/download/v0.1.0/unchore-defend.mcpb
Enforces per-call costs for AI agents using proof-of-work puzzles or Lightning Network payments to prevent endpoint flooding.
$claude mcp add captcha-mcp -- npx -y @powforge/captcha-mcp
Provides manifest-verified GitHub repository discovery and architectural decomposition while protecting AI agents with a prompt-injection firewall.
$claude mcp add --transport http capabilitymap-nexus-mcp https://many-temperatures-optimum-radiation.trycloudflare.com/api/mcp
Lets an AI client perform Solana token safety checks and pump.fun rug analysis using USDC payments signed locally.
$https://github.com/gosadu/loophole-tape/releases/download/mcp-v0.2.0/loopholetape-mcp-0.2.0.mcpb
Acts as a security gateway between MCP clients and servers to enforce signed authority checks and exactly-once tool execution.
$claude mcp add irontrellis-gateway -- npx -y @ramex-labs/irontrellis-mcp-gateway
Analyzes AI agents to identify heartbeat costs, plaintext secrets, and bloated or planted memory.
$claude mcp add psyseal-scan -- npx -y psyseal-scan
Scans deployed sites for exposed Supabase service_role keys and audits Postgres Row Level Security policies for vulnerabilities.
$claude mcp add airlock-rls-mcp -- npx -y airlock-rls-mcp
Prevents hardcoded secrets, multi-tenant data leaks, unsafe migrations, and broken documentation links during code development and CI.
$claude mcp add bouncer-gates -- npx -y bouncer-gates
Performs real-time UK company verification and sanctions screening against 386 risk data sources for AI agents.
$claude mcp add bizfile-mcp -- npx -y bizfile-mcp
Analyzes Supabase Row Level Security policies to identify exposed or safe tables and provides explanations in Arabic for non-technical founders.
$claude mcp add rls-check -- npx -y muhandis-rls-check
Evaluates AI agent safety by testing their ability to handle x402 payments and digital signatures without falling for financial traps.
$claude mcp add --transport http agent-safety-index https://exam.fizzl.eu/mcp
Provides coding agents with local code-quality rules, findings, safe fixes, and quality-gate results for project analysis.
$claude mcp add iris-code-mcp -- npx -y @iris-code/mcp
Verifies CCS receipts using Ed25519 signatures to provide cryptographic proof of AI evaluations.
$claude mcp add ccs-verifier-mcp -- npx -y ccs-verifier-mcp
Lets an AI client perform free on-chain contract screening and purchase paid Flash Audits for smart contracts on the Base network.
$claude mcp add --transport http automaton-colony https://colony.automatoncolony.xyz/mcp
Monitor and manage email authentication protocols including SPF, DKIM, DMARC, MTA-STS, and BIMI for your domains.
$claude mcp add palisade-mcp -- npx -y @palisadeemail/mcp
Lets an AI agent perform paid security pre-checks for phishing links, EVM transactions, domain safety, and Base network token data.
$claude mcp add --transport http nightshift-x402 https://nightshift-x402.nightshift-labs.workers.dev/mcp
Lets an AI client run multi-agent deliberations, security audits, data analysis, and full-stack app generation entirely on the local machine.
A rule-based discrimination engine that judges statements and actions for safety, logic, and manipulation before they reach a human.
$claude mcp add heartflow -- npx -y @yun520-1/heartflow