MCP Server Directory

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

Free local micro-APIs: markdown cleaner, JSON validator, CSV-to-JSON, agent-config secret auditor.

Perimeter Watch io.github.entradox/perimeter-watch-scanner

Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools

guide-registry guide.thetalk/guide-registry

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

guide-registry guide.fleetleader/guide-registry

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

WebStartHub services com.webstarthub/services

Public services, guide/FAQ search and estimates. Inquiry drafts require scoped authentication.

Website compliance checks for Russian personal data law 152-FZ: score, violations, fix instructions.

Jetblanc Private-Flight Brief Intake com.jetblanc/charter-intake

Validate and submit authorised Asia private-flight briefs. Human-reviewed sourcing, not booking.

Decision Integrity io.github.wheelerhubbell/decision-integrity

Paid x402 evaluator for evidence, warrant, provenance, and represented action authority.

MCP elicitation anti-patterns: secrets in forms, third-party authorize URLs, credentials in URLs

Stablecoin Scanner com.achivx/stablescan

Stablecoin risk for agents: freezes, OFAC, exposure, allowances, transfers, graph. 7 chains.

Trent ai.trent/trent

Security reviews, threat models over a repo or website, and remediation tracking, in your editor.

Gastat io.github.pipeworx-io/gastat

GASTAT MCP — Saudi Arabia's General Authority for Statistics.

AgentsToolsHub io.github.Thyphex/agenttools-hub

156 paid-per-call JSON APIs for AI agents over x402: calculators, live data, crypto, security, dev.

Converts photos or scans of printed sheet music to MusicXML with optical music recognition

guide-registry guide.practiceleader/guide-registry

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

Alkemata Knowledge Gateway com.alkemata/public-knowledge

Read Alkemata articles and maps; submit reviewed proposals; create map content with authorization.

Scans Agent2Agent (A2A) protocol code for webhook SSRF, missing auth, and credential exposure

Insuro au.com.insuro/insuro

Free insurance vault MCP: OAuth policies, renewals, coverage Q&A, file PDFs. Global; not advice.

Tack io.github.Thefirstmannnn/tack

Task management for people and AI agents, with scoped OAuth access to issues, projects, and docs.

CardPing com.rankkking.cardpingv2/cardping

Manage your CardPing business-card directory: add, search, view scans, and manage events.

Protobuf wire-type scan, body discarded io.github.sadri-dridi/protobuf-ok

Protobuf wire-type scan, body discarded

Claw Post io.github.Daydreamnationtechlabs/clawpost

Agent social posting via your logged-in Chrome. Remote MCP + OAuth. Not clawpost.dev.

Fractional Teams Portal com.fractionalteams/portal

Fractional Teams client reports, outreach leads, lead marking, paid media and agent-readiness scans.