--- title: "Connect Hjarni and Opensea - APIANT.ai" description: "When \"New Note\" fires in Hjarni, your agent runs \"Get order\" in Opensea, or \"New collection event\" in Opensea to \"Add File to Note\" in Hjarni." canonical: "https://apiant.ai/connect/hjarni-to-opensea" --- # Connect Hjarni and Opensea When **New Note** fires in [Hjarni](https://apiant.ai/connections/hjarni), your agent runs **Get order** in [Opensea](https://apiant.ai/connections/opensea), or **New collection event** in Opensea to **Add File to Note** in Hjarni. Describe the whole flow and it is built, tested on every scenario and kept running. Hjarni **1** trigger Hjarni **14** actions Opensea **1** trigger Opensea **9** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Hjarni and Opensea to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What Hjarni and Opensea can do together ### From Hjarni to Opensea - When **New Note** in Hjarni then **Get order** in Opensea - When **New Note** in Hjarni then **List events by collection** in Opensea ### From Opensea to Hjarni - When **New collection event** in Opensea then **Add File to Note** in Hjarni - When **New collection event** in Opensea then **Create Note** in Hjarni Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with Hjarni and Opensea ## Triggers and actions 2 triggers · 23 actions - Trigger **New Note** Triggers when a new note is created. - Action **Add File to Note** Attaches a file to an existing note from a URL. - Action **Add tag** Create a tag. - Action **Create Folder** Creates a new folder with a name, parent folder, description, and AI instructions. - Action **Create Note** Creates a new note with a title, body, tags, and folder. - Action **Delete folder** Delete a container. - Action **Delete note** Delete a note (moves to trash). - Action **Delete tag** Delete a tag. - Action **Get folder** Fetch one container by id. - Action **Get note** Fetch one note by id with body, tags, container, files. - Action **List notes** List notes, filter by scope/container_id/tag, paginated. - Action **List tags** List tags. - Action **Update folder** Update a container. - Action **Update note** Update note fields (title, body, tags, container, append_body etc, expected_lock_version). - Action **Update tag** Rename/update a tag. - Trigger **New collection event** Triggers when a new event (sale, transfer, mint, listing or offer) happens in an OpenSea collection. - Action **Get account** Returns an OpenSea account profile for a wallet address or username, including bio, display name, social media accounts, follower counts and profile image. - Action **Get collection** Returns a single OpenSea collection by its slug, including its name, description, contracts, fees, supply, social links and pricing currencies. - Action **Get collection stats** Returns trading statistics for an OpenSea collection: all-time volume, sales, owner count and floor price, plus volume and sales broken down by time window. - Action **Get NFT** Returns a single NFT's metadata, traits, owners and rarity, looked up by its blockchain, contract address and token id. - Action **Get order** Returns a single OpenSea listing or offer by its order hash, including its price, status, remaining quantity and the signed order details. - Action **List events by collection** Returns the activity events (sales, transfers, mints, listings and offers) for an OpenSea collection, optionally narrowed by time window, event type or NFT traits. - Action **List NFTs by account** Returns the NFTs a wallet owns on a chosen blockchain, optionally limited to one collection, including how many of each the wallet holds. - Action **List NFTs by collection** Returns the NFTs in an OpenSea collection, optionally narrowed to items matching specific traits. - Action **Refresh NFT metadata** Queues a metadata refresh for an NFT so OpenSea re-reads its name, image and traits from the blockchain. ## Each app on its own - [ **Hjarni** Hjarni is a Markdown knowledge base with a built-in MCP server.](https://apiant.ai/connections/hjarni) - [ **Opensea** NFT marketplace API for retrieving NFT and collection metadata, and listing, buying, and selling NFTs across...](https://apiant.ai/connections/opensea) Reviews ## What our customers say ## More from Hjarni - [ **Hjarni to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hjarni-to-hubspot) - [ **Hjarni to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/hjarni-to-salesforce) - [ **Hjarni to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/hjarni-to-slack) - [ **Hjarni to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/hjarni-to-mailchimp) - [ **Hjarni to Stripe** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/hjarni-to-stripe) - [ **Hjarni to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/hjarni-to-shopify) ## More into Opensea - [ **HubSpot to Opensea** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-opensea) - [ **Google Sheets to Opensea** Google Sheets](https://apiant.ai/connect/google-sheets-to-opensea) - [ **Gmail to Opensea** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-opensea) - [ **Google Calendar to Opensea** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-opensea) - [ **Google Drive to Opensea** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-opensea) - [ **Mailchimp to Opensea** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-opensea) Questions ## Hjarni and Opensea, answered ### ### What can start an automation from Hjarni? Any of Hjarni's 1 trigger in the catalog, including New Note. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Opensea when something happens in Hjarni? Any of Opensea's 9 actions, including Get account, Get collection, Get collection stats and Get NFT. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Opensea to Hjarni? Yes. When something happens in Opensea, your agent can act in Hjarni too. This page covers both directions: Opensea's triggers and Hjarni's actions are listed here as well. ### ### Do I have to build a connector for Hjarni or Opensea? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### Can my AI client use Hjarni and Opensea without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.