Stock Price — Real-Time Quotes, US & International

JSON Validator — Syntax Check & Schema Validation

JSON validation API for AI agents. Validate JSON syntax, check against JSON Schema, and get formatted output. Returns validity status, parse errors with line numbers, structure stats (depth, key count, size). Tools: data_validate_json. Use this for API response validation, config file checking, or data pipeline quality gates. Returns machine-readable error details for automated fixing. Returns: {valid, errors[], formatted, stats}. No API key required — x402 micropayment $0.001/call on Base L2.

ENS Resolver — Name ↔ Address + Avatar

ENS name resolution API for AI agents. Resolve ENS names (vitalik.eth) to Ethereum addresses and reverse-resolve addresses to ENS names. Includes avatar URLs and text records. Tools: crypto_resolve_ens. Use this for displaying human-readable names, identity verification, or building wallet UIs. The identity layer every crypto agent needs. IMPORTANT: For wallet balance lookup, use wallet_get_portfolio instead. Returns: {address, name, avatar, records}. No API key required — x402 micropayment $0.002/call on Base L2.

Hyperliquid Portfolio — Account State & Trade History

Hyperliquid account analysis API for AI agents. Full clearinghouse state for any wallet: open positions with PnL, trade fills with timestamps, pending orders, funding payments, margin usage, and account value. Tools: hyperliquid_get_account_state, hyperliquid_get_trade_fills, hyperliquid_get_open_orders, hyperliquid_get_user_funding. Use this for portfolio monitoring, trade analysis, PnL tracking, or building account dashboards. Essential for any Hyperliquid portfolio management agent. IMPORTANT: For market-wide data, use hyperliquid_get_market_data instead. Returns full account snapshot. No API key required — x402 micropayment $0.003/call on Base L2.

DEX Orderbook Depth — Uniswap V3 Liquidity Analysis

DEX liquidity depth analysis API for AI agents. Analyze Uniswap V3 pool liquidity: price impact at 1%, 2%, 5%, and 10% trade sizes. Slippage estimation for any trade amount. Essential pre-trade intelligence. Tools: dex_analyze_orderbook_depth. MANDATORY: Check orderbook depth BEFORE executing large DEX trades. Essential for slippage estimation, market impact assessment, and optimal trade sizing. IMPORTANT: For simple swap quotes, use dex_get_swap_quote. Returns: {depth[], priceImpact, slippageAt[]}. No API key required — x402 micropayment $0.005/call on Base L2.

URL Shortener — Hash-Based Compact Links

URL shortening API for AI agents. Convert long URLs into compact short links with hash-based IDs, custom alias support, and instant redirect. Tools: utility_shorten_url. Use this for generating shareable links, tracking URLs, or fitting long URLs into character-limited formats. Returns: {shortUrl, hash, originalUrl}. No API key required — x402 micropayment $0.001/call on Base L2.

Regex Tester — Match, Capture Groups & Explain

Regex testing API for AI agents. Test regex patterns against strings: get all matches, capture groups with positions, and plain-English pattern explanations. Debug complex patterns instantly. Tools: text_test_regex. Use this for building and testing regex patterns, data extraction, or input validation. Returns human-readable explanations alongside technical results. Returns: {matches[], groups[], explanation}. No API key required — x402 micropayment $0.001/call on Base L2.

NodeAPI

Machine-native GIS processing API for AI agents and developers. Convert, reproject, validate, repair, buffer, clip, dissolve, and tile vector geodata across 25 endpoints. Pay-per-use USDC on Solana Mainnet ($0.01/op). No accounts, no API keys. Remote MCP SSE.

astllm-mcp

An MCP server for efficient code indexing and symbol retrieval using tree-sitter AST parsing to fetch specific functions or classes without loading entire files. It significantly reduces AI token costs by providing O(1) byte-offset access to code components across multiple programming languages.

Openterms-mcp

Cryptographic proof of consent for AI agents. Sign before you act. Policy engine enforces spending caps, action whitelists, and escalation rules. Independently verifiable by anyone.

KreatorFlow

Generate Seedance AI video and Seedream images from Claude, ChatGPT, Cursor or any MCP client. KreatorFlow's MCP server puts an AI media studio in the assistants you already use. Ask for a clip in chat and your assistant generates Seedance video or Seedream images, edits images and video, swaps faces, runs Kitsune motion transfer, turns text into speech, makes music and sound effects, clones voices and transcribes audio. Powered by ByteDance's Seedance and Seedream models via BytePlus. **How it works** - Add `https://kreatorflow.ai/api/mcp` as a remote MCP server (Streamable HTTP). - Sign in with your own KreatorFlow account through OAuth 2.1 with PKCE. No API key to paste. - Each generation uses your own paid plan's credits at studio prices. Failed jobs are refunded automatically, and results are saved to your History. A paid KreatorFlow plan is required. Setup guides for Claude, Claude Code, ChatGPT, Cursor, VS Code and Windsurf: https://kreatorflow.ai/mcp Developers can use the API-key server at `https://kreatorflow.ai/v1/mcp` instead, billed in prepaid API tokens.

Aegis-ZK

On-chain trust verification for AI agent tools. Agents query skill attestations, audit levels, and risk scores before running third-party MCP servers, so you know what's safe before you execute.

Satoshidata Wallet Intelligence

Bitcoin wallet intelligence for AI agents: labels, risk signals, transactions, fees, and mempool.