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MCP CATEGORY

Security & Testing

1,066 remote MCP servers categorized by BuiltWith, ordered by domain a–z. Showing 301–400.

domainstack.io

Provides domain intelligence lookups including WHOIS/RDAP registration, DNS records, hosting/CDN/email provider detection, SSL/TLS certificates, and HTTP headers.

Added Oct 18, 2026 · 7 toolsExplore →

dopplervpn.org

Provides access to VPN service information including pricing, server network, privacy policy, comparisons, and promo code validation.

Added Aug 6, 2026 · 8 toolsExplore →

doubleaigents.com

An MCP server offering tools for UK/EU/EEA/Swiss data protection compliance, including DSAR deadline calculation, breach notification timing, and DSAR service pricing and scoping.

Added Oct 18, 2026 · 10 toolsExplore →

dregs.com

Dregs is a fraud detection and abuse prevention tool that scores users on humanity, authenticity, uniqueness, and behavior to help SaaS platforms block bots, freeloaders, spammers, and other abusers.

Added Sep 21, 2026 · 0 toolsExplore →

drurls.com

An MCP server for browsing and ordering real-device testing services and auditing websites for SEO issues and reports.

Added Oct 17, 2026 · 22 toolsExplore →

drwho.me

Provides network information lookups including IP geolocation, DNS records, and domain infrastructure details.

Added May 11, 2026 · 29 toolsExplore →

easy2257.com

Provides automated 2257 compliance services including ID verification, digital signatures, and secure record storage for adult content producers.

Added Aug 23, 2026 · 0 toolsExplore →

echelongraph.io

Provides security vulnerability intelligence by searching and retrieving CVE details, severity scores, and internet-exposure data from EchelonGraph's aggregated feeds.

Added Jul 6, 2026 · 14 toolsExplore →

ecoa.dev

Provides website security and compliance scanning tools, including initiating and checking security checks, and guidance for connecting to the ecoa API.

Added Aug 9, 2026 · 3 toolsExplore →

econtract.online

An MCP server for eContract that enables free, tamper-evident contract signing using certificate-based PAdES signatures, RFC 3161 timestamps, a hash-chained audit trail, and public verification.

Added Oct 13, 2026 · 0 toolsExplore →

efros.com

Provides tools to initiate, monitor, and retrieve reports for external security assessments of public domains.

Added May 22, 2026 · 3 toolsExplore →

egos.ia.br

An MCP server for LGPD/PII inspection and safety validation, offering tools to scan personal data, check safe sharing, and assess ethical AI readiness.

Added May 29, 2026 · 9 toolsExplore →

eleyed.com

A privacy-focused tool that detects and removes personal information from text and PDF documents, including scanned files.

Added Sep 11, 2026 · 0 toolsExplore →

elucora.com

Generates signed, timestamped evidence receipts for internet data like web pages, PDFs, and JSON fields, anchored to Bitcoin for independent verification.

Added Aug 15, 2026 · 0 toolsExplore →

emaillistchecker.io

An email verification service that issues API keys, tracks credit balances, manages bulk verification lists, and explains verification statuses with send recommendations.

Added Oct 9, 2026 · 9 toolsExplore →

enokilabs.ai

Enoki is a security and safety testing tool that automatically attacks AI agents to uncover vulnerabilities, demonstrate exploits, and verify fixes.

Added Oct 13, 2026 · 0 toolsExplore →

enterno.io

Provides online website diagnostics for HTTP headers, DNS, SSL, speed, and availability, plus 24/7 monitoring with Telegram alerts.

Added Oct 20, 2026 · 0 toolsExplore →

etch.systems

Etch provides a tamper-evident audit trail for AI agent decisions, enabling offline verification of every event via signed and Merkle-chained records.

Added Sep 1, 2026 · 0 toolsExplore →

etducky.com

Provides endpoint security and fleet management tools for listing agents, retrieving agent health details, viewing alerts, and summarizing fleet status.

Added Oct 18, 2026 · 4 toolsExplore →

euroa11y.com

An accessibility testing MCP server that audits web pages for WCAG/a11y compliance and checks whether the European Accessibility Act applies to a business or website.

Added Oct 22, 2026 · 2 toolsExplore →

eurocomply.app

Provides EU regulatory compliance tools for looking up regulations, tracking deadlines and enforcement actions, and auditing AI stacks against AI Act, GDPR, and data sovereignty requirements.

Added Oct 6, 2026 · 12 toolsExplore →

eurogpsr.com

Provides EU AI Act compliance tools to classify AI system risk tiers, estimate fines, generate AI disclosure notices, and list regulatory deadlines.

Added Oct 5, 2026 · 4 toolsExplore →

everframe.dev

Everframe is an in-app bug reporting tool that captures screenshots, session replays, console logs, network activity, and device details into one signed report for phone, web, and TV apps.

Added Oct 4, 2026 · 0 toolsExplore →

exchek.us

Offers export compliance tools for small manufacturers, including ECCN classification, screening, license determination, and audit-ready documents.

Added Aug 16, 2026 · 0 toolsExplore →

fedlin.com

Scans domains for security configurations including post-quantum TLS, DNS/TLS/certificate audit, and HTTP security headers.

Added Aug 13, 2026 · 4 toolsExplore →

fgac.ai

A fine-grained access control proxy for AI agents that enforces permissions when accessing Google APIs.

Added Sep 10, 2026 · 0 toolsExplore →

fidro.io

Detects fraud in signups and payments by scoring email, IP, and network to recommend allow, review, or block actions.

Added Sep 7, 2026 · 0 toolsExplore →

filltrust.com

Provides guidance and evidence for answering security compliance questionnaire questions, including standards and control references.

Added Sep 3, 2026 · 5 toolsExplore →

fixsim.com

Provides a FIX protocol sandbox for testing order flow, execution reports, and connectivity with a simulated counterparty.

Added Sep 13, 2026 · 42 toolsExplore →

flaresec.io

FlareSec is a security-focused MCP server currently under construction, intended to provide security-related tools and services.

Added Aug 4, 2026 · 1 toolExplore →

flocksynthetics.com

Synthetic users test products before launch to identify confusing, broken, or frustrating UX issues with screenshots, evidence, severity, and fix briefs.

Added Oct 7, 2026 · 0 toolsExplore →

forecall.dev

Forecall measures whether AI agents choose and call your MCP tools correctly and provides a free linter for tool descriptions along with fixes.

Added Oct 6, 2026 · 0 toolsExplore →

forgeregistry.com

Provides trust registry tools to search and inspect MCP servers, AI skills, and packages for verification, vulnerability scanning, alternatives, and static tool extraction.

Added Oct 2, 2026 · 8 toolsExplore →

foundrynet.io

Provides tools for registering autonomous actors with cryptographic identities, attesting work on the Solana blockchain, and managing trust scores.

Added Jul 25, 2026 · 0 toolsExplore →

foxauth.dev

FoxAuth is an OAuth 2.1 and OpenID Connect authorization server for sign-in, APIs, and AI agents, free on FoxAuth Cloud for up to 1,000,000 monthly active users.

Added Oct 19, 2026 · 0 toolsExplore →

frame00.com

Provides endpoints to interact with cryptographically verified attributes, schemas, zero-knowledge proof circuits, and document generators.

Added May 29, 2026 · 5 toolsExplore →

freescan.app

Enables starting and checking accountless single-page website audits, retrieving saved public reports, and viewing audit evidence screenshots.

Added Oct 12, 2026 · 5 toolsExplore →

garphengate.com

Analyzes security scanner exports, cloud configuration dumps, and log exports to provide vulnerability triage, CVE exploitation checks against CISA KEV and EPSS, and ranked remediation reports.

Added Sep 27, 2026 · 4 toolsExplore →

gbg.com

Provides identity verification and fraud prevention solutions to validate customer identity and location.

Added Jul 25, 2026 · 0 toolsExplore →

gdprrepresentative.com

An MCP server for REP27 that checks EU GDPR compliance obligations, retrieves legal requirements and pricing plans, and starts free trials for representative services.

Added Oct 16, 2026 · 6 toolsExplore →

gentkey.com

Provides a single, secure MCP endpoint for connecting multiple accounts with OAuth authentication, scoped permissions, and audit logging.

Added Jul 29, 2026 · 0 toolsExplore →

getbotornot.com

Provides a sourced directory and risk assessment of trading bots, checking names/domains against regulator scam records and returning report cards, prediction-market venues, and documented bot fact sheets.

Added Oct 16, 2026 · 12 toolsExplore →

getfairquery.com

Provides security and validation tools including sanctions screening, PII redaction for LLMs, email validation, OSV vulnerability checks, and agent trust checks.

Added Oct 18, 2026 · 0 toolsExplore →

getstack.run

Runtime control plane for AI agents providing security layers like authentication, proxy, monitoring, audit, and revocation.

Added May 29, 2026 · 0 toolsExplore →

giggal.ai

This MCP server verifies email addresses including catch-all, risky, and SEG-protected ones to ensure accuracy and reduce bounce rates.

Added Aug 20, 2026 · 0 toolsExplore →

gobiya.com

Provides domain and network intelligence tools for DNS lookup, email verification, IP geolocation, domain reputation, and SSL certificate inspection.

Added Aug 2, 2026 · 9 toolsExplore →

godlock.uk

Provides a secure FragGate registry and execution gateway for discovering, inspecting, verifying, and calling hashed software slugs with provenance and policy checks.

Added Oct 19, 2026 · 36 toolsExplore →