MCP Server Directory

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.

TheRundown Documentation MCP io.github.TheRundown/documentation

Official TheRundown API documentation search. No live data or authenticated Product API calls.

HTTP 511 network-auth io.github.sadri-dridi/http-511

Meaning of HTTP 511.

guide-registry guide.fleetleader/guide-registry

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

Free Agent Tools io.github.sean0007/free-agent-tools

21 free no-auth tools: pitch roast, Kyushu discount, Japan visa fee, luggage, tax-free.

guide-registry guide.clinicalleader/guide-registry

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

Tack io.github.Thefirstmannnn/tack

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

guide-registry guide.churchleader/guide-registry

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

Sec Nport io.github.pipeworx-io/sec-nport

SEC Form N-PORT — fund and ETF holdings, asked security-first.

Fractional Teams Portal com.fractionalteams/portal

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

OpenRevenue com.openrevenue/mcp

OpenRevenue analytics MCP: projects, stats, visitors, funnels, and goals via API key or OAuth.

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

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

EarningsWatcher com.earnings-watcher/mcp

Options-implied earnings moves, 10y implied-vs-actual history, IV rush/crush, scanner, simulator.

numberRank dev.numberrank/numberrank

Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.

Authentication-Info nextnonce shape, value discarded io.github.sadri-dridi/auth-info

Authentication-Info nextnonce shape, value discarded

site uk.co.vacantpropertysecuritycost/site

Vacant Property Security Cost: the site's own MCP server — enquiry (enquiry = a human handoff,...

Autonomous log surgery & secret redaction MCP server for AI coding agents.

FINLY Balance Report Analysis il.co.finly/report-analysis

Israeli mortgage reports with Hebrew results, 15-minute recovery and authorized external OCR.

Gastat io.github.pipeworx-io/gastat

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

Agent Skill & Config Security Audit io.github.tylerscomic-lab/agent-skill-audit-mcp

Scan AI agent skills and configs for hidden Unicode, prompt injection and exfiltration.

Journals every MCP tool call with secrets redacted; with a policy, holds risky calls for approval

ScoreCompute com.scorecompute/scorecompute

38 MCP tools: Rust computation, Discovery, composition, counterexample scans and signed checks.

SatGate – Economic Firewall for AI Agents io.github.SatGate-io/satgate

Budget, payment and audit controls for AI agent API calls and MCP tool calls.

Checks declared npm/PyPI dependencies against real registries to catch slopsquatting