MCP Server Directory

io.github.ExpertVagabond/guardrails

AI Agent Guardrails MCP server - security layer

io.github.qso-graph/qrz-mcp

QRZ.com MCP server. Callsign lookup, DXCC resolution, logbook queries via QRZ XML API.

io.github.jarekpiot/provenonce

Cryptographic identity, SIGIL naming, heartbeat, and passports for AI agents.

io.github.gregario/lego-oracle

LEGO sets, parts, minifigs, and inventories as an MCP server

io.github.kodandy/jp-crypto-tax-rules

Machine-readable Japanese crypto-asset tax rules for AI agents: rules-as-code with citations, x402.

Amazon Ads MCP with 27+ tools for analytics, wasted spend, and automation.

io.github.CSOAI-ORG/coppa-ferpa-mcp

Children's privacy compliance: COPPA (US), FERPA (US edu), EU AI Act children's provisions, UK A...

io.github.malkreide/global-education-mcp

UNESCO UIS and OECD Education at a Glance

io.github.malkreide/swiss-food-safety-mcp

BLV open data for food safety and veterinary inspections

io.github.reviewmyemails/prediction-market-mcp

Real-time Polymarket and Kalshi data, cross-platform arb detection, strategy signals

io.github.marlinjai/email-mcp

Unified email MCP server for Gmail, Outlook, iCloud, and IMAP with batch operations

io.github.GeiserX/genieacs-mcp

MCP server bridging GenieACS TR-069 ACS instances to LLMs for CPE device management

io.github.0xka13b/microsoft-outlook-mcp

Microsoft Outlook (mail) MCP server — read, search, and send email through Microsoft Graph.

io.github.CSOAI-ORG/cqc-compliance-mcp

cqc-compliance-mcp for domiciliary opticians

io.github.CryptoAPIs-io/mcp-market-data

MCP server for cryptocurrency asset prices, exchange rates, and market metadata via Crypto APIs

io.github.Garl-Protocol/mcp-server

18 trust tools for AI agents — verify, score, route, compare, and delegate with confidence.

io.github.CryptoAPIs-io/mcp-address-latest

MCP server for current balance and state of EVM, UTXO, Solana, XRP, Kaspa addresses via Crypto APIs

io.github.HewlettPackard/greenlake-users-mcp

HPE GreenLake users MCP Server

io.github.geeks-accelerator/drifts

Multi-sensory AI experiences with time-locked progression and structured sensory data

io.github.0xka13b/ms-contacts-mcp

Microsoft Contacts MCP server — read and manage your address book through Microsoft Graph.

io.github.geraservicesuk/mcp-gera-clone

GeraClone MCP — discover expert clones, check operator's clone status, start expert chats (consent).

io.github.Hovsteder/powersun-tron-mcp

TRON Energy marketplace + DEX swap aggregator for AI agents. 27 MCP tools.

io.github.LuizEduPP/rememb

Persistent memory for AI agents — local JSON, zero config, no server required.

io.github.gitmem-dev/gitmem

Persistent institutional memory for AI coding agents. Memory that compounds.