MCP Server Directory

3449 Model Context Protocol servers — searchable, rated, ready to install.

CLIO Arxiv io.github.iowarp/arxiv-mcp

Search arXiv by topic, author, title or date, read paper details, and export BibTeX or PDFs.

QS 55 ↓ 1.2k/wk local search git Official Registry
secret-safe-env io.github.irrenwill/secret-safe-env

Write secrets into .env without the agent ever seeing the value - Windows masked dialog (繁中 UI)

QS 50 local git security Official Registry
Socialync io.github.JackVitick/socialync

Draft, schedule, and publish posts to 8 social platforms with human approval via Socialync OAuth.

QS 55 remote git security Official Registry
mcp-audit-server io.github.joepangallo/mcp-audit-server

Thin MCP and CLI proxy for AI agent and MCP security auditing via a hosted backend

QS 50 ↓ 40/wk local git dev-tools Official Registry
mcp-server-indexforge io.github.joepangallo/mcp-server-indexforge

Submit URLs to Google and Bing for indexing, scan sitemaps, check index status.

QS 50 ↓ 33/wk local search git Official Registry
web-recon-agent io.github.joepangallo/web-recon-agent

Owned-target web security assessment MCP server for authenticated, high-friction apps.

QS 50 ↓ 30/wk local git security Official Registry
Docu-Scan MCP com.spocont/docu-scan

PDF and document extraction via Google Document AI. Free trial available.

QS 45 remote security Official Registry
Enzyme io.github.jshph/enzyme

Semantic search and AI context for your Obsidian vault. Surface patterns with catalysts.

QS 40 local search git Official Registry
MiOffice — AI-Powered Workspace Studio io.github.jsvvsolsllc/mioffice

125+ browser tools for PDF, Image, Video, Audio, AI, Scanner. Files never leave your device.

QS 45 remote browser git Official Registry
mcp ai.rxmanager/mcp

Live US drug acquisition costs (CMS NADAC) for AI assistants. Free, no auth, weekly data.

QS 40 remote security Official Registry
agent-sudo-mcp io.github.Kisyntra/agent-sudo-mcp

MCP adapter for Agent_Sudo: authorization, delegation, provenance, and audit for AI agents.

QS 40 ↓ 53/wk local git security Official Registry
kastell io.github.kastelldev/kastell

Server security audit (413 checks), hardening, and fleet management across 4 cloud providers.

QS 50 local git security Official Registry
Boolsai Scan ai.boolsai/scan

Live tech-stack scan of any public site — vendors, account IDs, scripts, JSON-LD. 2 tools.

QS 55 remote security Official Registry
loom io.github.KlossKarl/loom

Local-first personal knowledge base. Cited answers from your vault via vector + graph retrieval.

QS 50 ↓ 23/wk local search git Official Registry
netintel-mcp io.github.kjgueye/netintel-mcp

MCP server for NetIntel — DNS, SSL, WHOIS, email security, OSINT via x402 micropayments

QS 50 local git communication Official Registry
quantumguard-mcp io.github.kota1026/quantumguard-mcp

Post-quantum cryptography security scanner. Detect ECDSA/RSA vulnerabilities, NIST compliance.

QS 50 local git security Official Registry
MySQL (security-first) io.github.Kurok1/mcp-server-mysql

Security-first MySQL MCP server with AST validation, table whitelist, schema resources, and audit.

QS 50 local database git Official Registry
leakferret io.github.leakferrethq/leakferret

Context-aware secret scanner: lets an AI agent scan, verify, and rewrite secrets before committing.

QS 50 ☆ 5 ↓ 43/wk local git security Official Registry
visus-mcp io.github.leochong/visus-mcp

Security-first web access for Claude. Sanitizes pages, blocks injection, redacts PII.

QS 50 local git ai-llm Official Registry
author-mcp-server io.github.litheonhq/author-mcp-server

Recall, check, search, timeline, and graph tools for fiction writers via Seizn Memory v3.

QS 50 ↓ 14/wk local search git Official Registry
tinysend com.tinysend/tinysend

Email for agents: newsletters, subscribers, contacts, broadcasts. OAuth sign-in, no API key.

QS 50 remote communication security Official Registry
mcp-standardnotes io.github.lozit/mcp-standardnotes

End-to-end encrypted access to a Standard Notes vault (protocol 004, local stdio only).

QS 50 local git security Official Registry
Bug Detector io.github.madhavi-opsera/bug-detector

Analyzes code for bugs, security vulnerabilities, and code smells

QS 50 local git dev-tools Official Registry
magpie-mcp io.github.magpiecapital/magpie-mcp

Agent-native lending on Solana via x402: borrow against tokens, arm in-vault TP/SL, repay.

QS 50 local git security Official Registry
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