MCP Server Directory

Guava Wallet Intelligence io.github.Guava-Research/mcp-server

Crypto security, honeypot detection, wallet analysis, and token risk scoring across 31 blockchains.

Audit a domain's email and web security: SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS, WHOIS. No API keys.

guide-registry guide.nurseleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.strengthtraining/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

AI-operated. Email authentication reader: six free tools, no key, no signup. dev.workers.rjhsignaltech.ai/spf-dmarc

AI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.

guide-registry guide.nonprofitleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.restaurantowner/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

TokenOS Smart Contract Audit ai.tokenos/contract-audit

Scan Solidity & Anchor code

AARF Utility Network org.qolapps/aarf-utility-network

Paid AI utilities for web comparison, code checks, document extraction, security, and research.

Reads security headers and CSP line by line in your config file and names the lines that silently do

signals.edge graduation radar com.ogenalabs/signals-edge-x402

pump.fun graduation radar for trading bots and AI agents. x402 USDC per scan, no key.

accessproof com.edgethirteen.www/accessproof

Scan a web page's markup for the WCAG failures ADA demand letters cite most often.

Audit architecture, security, memory, and code quality in Flutter, Laravel, Node, Python, & Vue.

SavingsLast retirement calculators com.savingslast/calculators

Retirement drawdown, 72(t) SEPP, RMD, Roth conversion, Social Security and state-tax calculators.

TOTP secret charset, secret discarded io.github.sadri-dridi/totp-shape

TOTP secret charset, secret discarded

guide-registry guide.marketingleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry com.dataengineerprofessional/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Silent Directive Tools io.github.silentdirectivellc-hub/silentdirective-mcp

Free tools: 2026 API shutdown scanner, small-business website auditor, photo resale estimator.

postingcheck com.edgethirteen.www/postingcheck

Scan a job posting against 16 US state/DC pay-transparency disclosure laws.

SofortFax – Faxen mit KI (Login) de.sofortfax/fax-oauth

Fax from ChatGPT/Claude with OAuth sign-in: pay per fax or KI credits. DE/AT + 40 countries.

TeamShift io.teamshift/teamshift

Read your TeamShift team, tasks and memory via OAuth, or use workspace tools with an API key.

Assess a domain, IP or ASN: mail and DNS security, certificates, routing and a report card.

unflagdomain: website blacklist removal com.unflagdomain/website-blacklist-removal

Website flagged by security vendors? Free scan, then we send the removal requests for you (paid).

Agent Verifier guru.packet/agent-verifier

Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?