io.github.cejor6/kalshi-mcp-server

MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.

io.github.Mearman/mcp-wayback-machine

MCP server and CLI tool for interacting with the Wayback Machine without API keys

io.github.oscardvs/zoteus

The everything Zotero MCP server — Web API v3 + local API, safe writes, citations, search.

io.github.ciinkwia/lithium-vault-mcp

Primary-source lithium & battery-metals mining data (AISC, reserves, filings) via x402.

io.github.presidio-v/presidio-hardened-x402-mcp

Pre-payment PII screener for x402 — catches emails, SSNs, names before agents sign.

io.github.cmendezs/mcp-ksef-pl

Polish e-invoicing MCP: KSeF API v2, FA(3)/FA(2) XML, Peppol BIS 3.0, NIP/REGON validation.

io.github.cmendezs/mcp-fattura-elettronica-it

Italian e-invoicing: FatturaPA XML/SDI v1.2.3, 27 tools. UBL 2.1 and CII wire formats.

io.github.Hookwarden/mcp

Webhook signature-verification audit. Stripe, GitHub, Shopify, Twilio +17. Local. Deterministic.

io.github.ayhammouda/python-docs-mcp-server

The canonical Python stdlib oracle for AI coding agents — always free, always MIT, token-frugal.

io.github.roamzy-io/mcp-server

Buy a global eSIM through chat. Agents earn USDT referral commissions across 192 countries.

io.github.coder-ka/procm-mcp

A Model Context Protocol (MCP) server for process management.

io.github.wartzar-bee/tokenscope

Analyze Claude Code token cost & context attribution. Local, read-only MCP server.

io.github.whois-api-llc/mcp-whoisxmlapi

30 WHOIS, DNS, IP, threat intelligence, and bulk tools for AI agents via WhoisXML API.

io.github.Mnymann/nordic-data

Company, KYB, VAT, sanctions, LEI and address data for 15 EU countries.

io.github.mnemoverse/mcp-memory-server

Persistent long-term memory for AI agents — semantic recall across Claude, Cursor, ChatGPT & MCP.

io.github.SoapyRED/freightutils

19 freight tools: ADR 2025+LQ/EQ, HS, airlines, UN/LOCODE, ULDs, duty, CBM/LDM, get_subscribe_link

ai.nudg3/brand-intelligence

Query your Nudg3 brand visibility across ChatGPT, Claude, Gemini, AI Overviews, and Perplexity.

io.github.kinance/circle-agent-stack-mcp

Circle Agent Stack for AI agents: USDC wallets, spend policies, transfers, and x402 nanopayments.

io.github.shck-dev/notion-mcp

Notion MCP server — search, export, and import pages as markdown

io.github.sh3ll3x3c/native-devtools

MCP server for desktop, browser (CDP), and Android automation. Screenshot, OCR, click, type.

io.github.cmendezs/mcp-facture-electronique-fr

MCP server for French e-invoicing (XP Z12-013). Manages invoices, validation and compliance.

io.github.isagelswann/codeofpaper

Find GitHub implementations of arXiv research papers — paper lookup, ranked code, search.

io.github.wiseappsai/play-console-mcp

Manage Google Play Console: releases, listings, monetization, reviews, and Android Vitals.

io.github.eliottreich/taskbounty-mcp-server

Post/fund GitHub bug bounties, enable Autopilot, solve bounties, check coverage. Paid in crypto.