SSL Certificate Checker — Validity, Expiry & Grade

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.

Press Release

press-release MCP — wraps StupidAPIs (requires X-API-Key)

MCP Server for LimeSurvey

Enables interaction with LimeSurvey API to create and manage surveys, questions, question groups, activate surveys, and export responses through standardized MCP endpoints.

Linear

Linear MCP — wraps the Linear GraphQL API (OAuth)

HAPI MCP Server

HAPI MCP server: Dynamically exposes OpenAPI REST APIs as MCP tools for AI assistants

Google Docs MCP Server

Enables Claude to read, create, and update Google Docs through OAuth authentication. Deployed as a remote Next.js server on Vercel with support for multiple users and secure API key management.

OpenSCAD MCP Server

Enables AI assistants to render 3D models by providing tools to execute OpenSCAD code and generate single or multi-perspective views. It returns high-quality PNG renderings directly to LLM applications for visual feedback and 3D model visualization.