Tooltax
Token-budget linter and public leaderboard for MCP tool schemas.
3,342 servers
Token-budget linter and public leaderboard for MCP tool schemas.
A full-featured, open-source alternative to Xero and QuickBooks. It is API-first, developer-friendly, and built for teams that want full control over their financial data.
AI-powered trading research platform. Test any idea on stocks, futures, and crypto with event studies, backtesting, and statistical validation. MCP server with 8 tools. pip install varrd.
Free financial data from eleven sources behind six verbs, point-in-time where the source allows.
Crypto backtest statistics: the server owns the trial count, so it cannot be understated.
Maker - 10 tools for lending rates, supply, and borrow data
Wraps the fpp CLI as a single generic MCP tool for freelancer client payment-risk checks.
Read-only MCP server for querying Stripe customers, payments, and invoices.
Find and buy x402 agent readiness, vendor risk, transaction, and company intelligence APIs.
Real-time anomaly detection for blockchain, aviation, GitHub, mempool, and depeg signals.
@agentproto/provider-kit — generic provider/backend catalog, status, creds, setup-ledger, and MCP tool primitives shared by the agent-CLI, browser, tunnel, and eval-reporter families.
Local crypto inventory for developers and AI agents; coverage and limits inside the CBOM.
Hyperliquid - 2 tools for perpetuals, options, and position data
Gmx - 139 tools for perpetuals, options, and position data
Coinmarketcap - 30 tools for data, metrics, and on-chain analytics
Free crypto news API - real-time aggregator for Bitcoin, Ethereum, DeFi, Solana & altcoins. No API key required. RSS/Atom feeds, JSON REST API, historical archive with market context, embeddable widgets, ChatGPT plugin, Claude MCP server, SDKs (Python, TypeScript, Go, React, PHP). AI/LLM ready. Vibe coding friendly. Open source.
Send transactional email, run campaigns, manage contacts and automations, audit deliverability.
Identity/reputation verification for agent-to-agent payments across x402, AP2, MPP, checkout.
Record x402 agent purchases as reconciled, auditable receipts; verify any receipt on the ledger.