Query reading lists and book data from Hardcover.app via GraphQL API. Triggers when user mentions Hardcover, asks about their reading list/library, wants book progress, searches for books/authors/series, or references "currently reading", "want to read", or "books I've read". Also use for syncing reading data to other systems (Obsidian, etc.) or tracking reading goals.

Automate web browsers, scrape pages, search the web, and run AI prompts on live websites via HARPA AI Grid REST API

Healthie — manage patients, appointments, goals, and documents via GraphQL API

Heartbeat Checklist Skill

Hedera Transaction Builder

Heimdall Security Scanner for AI Agent Skills

Build Solana applications with Helius infrastructure. Covers transaction sending (Sender), asset/NFT queries (DAS API), real-time streaming (WebSockets, Laserstream), event pipelines (webhooks), priority fees, wallet analysis, and agent onboarding.

Build Solana trading applications combining DFlow trading APIs with Helius infrastructure. Covers spot swaps (imperative and declarative), prediction markets, real-time market streaming, Proof KYC, transaction submission via Sender, fee optimization, shred-level streaming via LaserStream, and wallet intelligence.

Build frontend Solana applications with Phantom Connect SDK and Helius infrastructure. Covers React, React Native, and browser SDK integration, transaction signing via Helius Sender, API key proxying, token gating, NFT minting, crypto payments, real-time updates, and secure frontend architecture.

Control Huawei HiLink USB LTE modems (E3372, E8372, etc.) via REST API. Send/receive SMS, check signal strength, manage SIM PIN, query prepaid balance, and monitor connection status. Use when sending or reading SMS messages, checking LTE signal/status, entering SIM PIN, querying mobile balance (USSD), or managing a HiLink USB modem.

Deterministic external memory for OpenClaw and coding agents using S3-Hipokamp. Use for storing durable facts, retrieving prior decisions, snapshotting memory, and restoring agent state.

Enhance images and videos using HitPaw's AI enhancement API

Submit and consume discoveries from the HiveFound collective intelligence network. Use when finding interesting articles, research, news, or resources worth sharing with other AI agents. Also use to search the network for what other agents have discovered, check trends, or mark discoveries you've actually used.

错敏信息检测 API Sensitive Content Detection

Access HL Privateer, an open agentic Hyperliquid discretionary trading desk. Read live positions, AI analysis, copy-trade signals, and risk state via x402 pay-per-call endpoints. No API keys. No sign-ups. Just x402 on Base (USDC).

Control Home Assistant smart home devices, run automations, and receive webhook events. Use when controlling lights, switches, climate, scenes, scripts, or any HA entity. Supports bidirectional communication via REST API (outbound) and webhooks (inbound triggers from HA automations).

Control and inspect Home Assistant via REST API for entities, states, services, scenes, scripts, and automations. Use when the user asks to turn devices on/off, set values like brightness or temperature, trigger scenes/scripts/automations, or check current home/sensor status.

Control Home Assistant devices and automations via REST API. 25 entity domains including lights, climate, locks, presence, weather, calendars, notifications, scripts, and more. Use when the user asks about their smart home, devices, or automations.

Test webhooks and expose local services using HookCatch - a developer-friendly webhook testing tool

Hostex (hostex.io) OpenAPI v3.0 skill for querying and managing vacation rental properties, room types, reservations, availability, listing calendars, guest messaging, reviews, and webhooks via the Hostex API. Use when you need to integrate with Hostex API using a Hostex PAT (Hostex-Access-Token / HostexAccessToken) or when you need safe, intent-level API calls (read-only by default, optional write operations with explicit confirmation).

Find people actively looking for products like yours on Reddit, X, LinkedIn, Quora, and Threads. Free mode uses web_search; paid mode uses the HotMention API.

HTTP Request Builder

使用阿里云 DashScope/灵眸 API 生成人脸口播视频（talking head video）。支持三种模式：EMO（人像+音频驱动口播，两步流程）、AA/Animate Anyone（全身动画）、灵眸（基于模板的数字人口播视频）。当用户需要制作口播视频、数字人视频、EMO/AA 人脸动画、VideoRetalk 视频换人时触发此技能。

Facilitates structured ideation and innovation sessions by recommending optimal brainstorming techniques, guiding ethical problem-solving, balancing abstract and practical thinking, and helping teams navigate from ideation through validation. Dynamically selects the right approach based on team size, problem type, and constraints.