MCP Server Directory

clover-public io.github.fourleafai/clover-public

Job search and interview prep MCP. 11 tools, OAuth 2.1, cross-LLM. four-leaf.ai.

AI agent security scanner — prompt injection detection, SQL injection, PII isolation, threat intel.

Build on the Flarelink stack — Cloudflare auth, D1, and R2 — from your AI coding tools.

Read-only Polymarket data tools for AI agents: profiles, PnL, market scans. No keys, no orders.

MCP Kill-Chain Research — Stage 1 (Identity ≠ Behavior) dev.gtfo/mcp-killchain-stage1-weather

Security research: MCP registries verify identity, not tool behavior. See gtfo.dev.

WaveGuard com.emergentphysicslab/waveguard

Anomaly detection API powered by physics simulation. Scan any data for outliers.

Local, encrypted MCP vault for passports, IDs, visas and photos. You control access.

PowerDMARC MCP com.powerdmarc/mcp

Remote MCP server bridging AI clients with the PowerDMARC email authentication Platform.

Access your dyer.md Markdown vault as a knowledge source for AI agents.

data-enrichment dev.hatchloop/data-enrichment

Free B2B data enrichment: company lookup, email validation, email patterns, domain info. Zero auth.

google-mcp io.github.matiasbattocchia/google-mcp

Streamable HTTP MCP server for Google Calendar and Sheets with OAuth login.

x402-paid domain verification for AI agents — trustscore, SSL, security headers, robots.

pdf-generator dev.hatchloop/pdf-generator

Generate PDFs from Markdown or HTML. Zero-auth, agent-native. Returns base64-encoded PDF.

Symbiotic CLI MCP Server for security scanning and analysis

MCP security trust-check for agents before installing MCPs, Skills or tools.

Markdown vault MCP server with FTS5 + semantic search and frontmatter indexing

Search 90M+ tracks, artists, and releases: metadata, ISRC/ISWC, and cross-platform IDs for AI.

etherscan-api-mcp io.github.junct-bot/etherscan-api-mcp

Etherscan Api - 71 tools for data, metrics, and on-chain analytics

Slack MCP Server io.github.jtalk22/slack-mcp-server

Slack MCP without OAuth — 21 tools, session-based, local-first. Free OSS + hosted tier from $19/mo.

a2a-trustgate io.github.jyswee/a2a-trustgate

A2A TrustGate: 4-gate firewall that screens every AI-agent action before it runs. 49 tools.

MiOffice — AI-Powered Workspace Studio io.github.jsvvsolsllc/mioffice

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

patch-tuesday io.github.jonnybottles/patch-tuesday

Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment

MCP security trust layer: scan packages, inspect repos, check exposure, monitor changes.

PasteHTML dev.pastehtml/mcp

Publish, update, and organize HTML and Markdown pastes on PasteHTML as the authorized user.