Search and explore source-backed SEO, SaaS, and LLM-wiki knowledge from the XKnow knowledge base.
66,573 MCP servers
Validate and parse German e-invoices (XRechnung, ZUGFeRD, Factur-X) offline. No API key.
XRPL domains for AI agents — availability, pricing, profiles, portfolio, and register links.
Check invoice mandatory fields, validate a draft before issuing, and look up EN 16931 code lists.
Yahoo Finance in 68 tools: stocks, crypto, forex, commodities, funds, options, analysts, calendars.
Zhihu CLI for AI agents: search, read, download, and publish from the terminal.
Zillow property data for AI agents, 50+ fields per US property. Not affiliated with Zillow Group.
Audit AI agent configs for prompt injection & rogue MCP servers; vet packages
Federal Register proposed and final rules, notices, executive orders, and FAR cases. 8 tools.
Interact with Counterparty — the token protocol on Bitcoin. Query, compose, sign.
Risk preflight for AI Agent tool actions and Polymarket settlement and execution checks.
Weather forecasts from 7Timer. No key required.
Agent-to-agent communication bridge for multi-agent systems
ABAP MCP connector for SAP ECC and on-premise S/4HANA. Requires a licensed ABAPilot backend.
Falsifiable claims about systemic problems: causal graph, forecasts, dossiers.
npm, PyPI & crates.io health, vulns and dependency graphs. Runs locally, no API key.
Adorbis AI MCP server. One key, 40+ models, auto-routed.
Advice Slip: random short advice, with ids you can fetch again - keyless.
UAE Design System (AEGOV DLS) for AI assistants: components, tokens, validation. Not TDRA-official.
19 pay-per-call data tools for AI agents: crypto/DeFi, web, PDF, FX, weather, DNS. x402 on Base.
Git-like undo, revert, and rollback checkpoints for OpenAI Codex CLI. MCP server + hooks snapshot every edit. Restore in one cmd. Free, MIT