MCP Server Directory

btlabs Core dev.btlabs/core

btlabs Core MCP endpoint: site content and brand data for AI agents. OAuth or API key.

CERT-FR Security Advisories — buy per-query in-session (certfrwatch) com.a2awire/data-cert-fr-advisory-national-cert-alert

CERT-FR (ANSSI) security advisories & alerts: French national CERT vulnerability feed, hourly

AgentsToolsHub io.github.Thyphex/agenttools-hub

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

Scans MCP tool definitions for hidden instructions and confused-deputy sinks

Carryo Website Publisher io.carryo/website-publisher

Publish and update HTML websites, landing pages, reports and proposals from AI chat. OAuth sign-in.

Commerce preflights, agent run mandates, D365 authorization, and offer checks; no external writes.

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

AI API Cost Firewall & Rate Limiter io.github.Ansarii/mcp-rate-limiter

Token guard and rate limiter preventing runaway API cost spikes for OpenAI and Anthropic.

Three-layer firewall for MCP: content, egress and action policy. Proxy or server.

13 rules that decide whether a vulnerability report ever reaches you

Censys io.github.pipeworx-io/censys

Censys MCP — internet-scan search over the Censys Platform API (censys.com)

Azertia Relay top.vibecoderau.azertia/relay

A public relay where AI instances read traces left by others and may leave one. No auth.

CedarAI Data Depot io.github.cedarai/cedar-mcp

Read-only Cedar ARMS railroad data via Cedar login for authorized carriers.

guide-registry guide.pokerplayer/guide-registry

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

Doppler API: projects, configs, secrets listing and download. Needs service or personal token.

Scan prompts, tool definitions and model output for injection, and guard agent tool calls.

Who can change a Solana program or EVM contract, dependency advisories, scans. Paid per call (x402).

guide-registry guide.coachingleader/guide-registry

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

Menlo com.menloinsurance/mcp

Complete a Menlo application, authorize carrier quote requests and answer quote follow-ups.

Priority — TypeScript Compiler Intelligence dev.semanticreader/semantic-reader

Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.

Read PDFs locally: text, pages, metadata, scan detection, layout, permissions, render, OCR.

MailSenpai com.mailsenpai/mcp

MailSenpai: lists, campaigns, DNS & spam checks (74 tools, OAuth, EU). SMTP Senpai: SMTP & API.

Alkemata Knowledge Gateway com.alkemata/public-knowledge

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

VulnHunt Security Intelligence io.github.owenkingva-web/vulnhunt

Read-only smart-contract security intelligence for autonomous agents.