--- title: "Connect Basecamp 3 to Anthropic - APIANT.ai" description: "When \"New Project\" fires in Basecamp 3, your agent runs \"Create message batch\" in Anthropic." canonical: "https://apiant.ai/connect/basecamp-3-to-anthropic" --- # Connect Basecamp 3 to Anthropic When **New Project** fires in [Basecamp 3](https://apiant.ai/connections/basecamp-3), your agent runs **Create message batch** in [Anthropic](https://apiant.ai/connections/anthropic). Describe the whole flow and it is built, tested on every scenario and kept running. Basecamp 3 **3** triggers Basecamp 3 **5** actions Anthropic **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 Basecamp 3 and Anthropic 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 Basecamp 3 can start in Anthropic - When **New Project** in Basecamp 3 then **Create message batch** in Anthropic - When **New To-do** in Basecamp 3 then **Send model a message** in Anthropic 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 Basecamp 3 and Anthropic ## Triggers and actions 3 triggers · 14 actions - Trigger **New Project** Polling trigger that fires when a new project is created in the Basecamp account. - Trigger **New To-do** Instant (webhook) trigger that fires when a new to-do is created in the selected Basecamp project. Basecamp POSTs a webhook event payload; the kind is filtered to todo_created and the recording (the to-do) is surfaced. - Trigger **New To-do in any project** Instant (webhook) trigger that fires when a new to-do is created in any Basecamp project. Basecamp POSTs a webhook event payload; the kind is filtered to todo_created and the recording (the to-do) is surfaced. - Action **Create Webhook** Creates a webhook subscription in a Basecamp project (bucket), delivering events to a payload URL. Returns the webhook id and details. - Action **Delete Webhook** Deletes a registered webhook from a Basecamp project (bucket). Returns the deleted webhook id. - Action **Get project** Retrieves a single Basecamp project by its ID, including its tools (dock) and people summary. - Action **List people** Lists every person visible to the connected user on the Basecamp account. - Action **List projects** Lists the projects visible to the connected user, most recently created first, optionally filtered by status. - Action **Anthropic agent message** Runs one AI agent turn on Anthropic and returns the model's reply. The turn is billed to the Anthropic account connected on this step, and the agent can call the account's AI tool automations. - Action **Cancel message batch** Cancel a Message Batch that is still processing. - Action **Count tokens in a message** Count the number of input tokens a Messages API request would use, without creating the message. - Action **Create message batch** Submit a batch of Messages API requests for asynchronous processing. - Action **Get message batch** Retrieve the status and request counts of a Message Batch by id. - Action **Get model** Retrieve details for a specific Claude model by id. - Action **List message batches** List Message Batches in the workspace, most recently created first. - Action **List models** List the available Claude models, most recently released first. - Action **Send model a message** Send a message to a Claude model and return its response. Supports the full Messages API: model, system prompt, multi-turn messages, max_tokens, tools, and adaptive thinking. ## Each app on its own - [ **Basecamp 3** Basecamp 3 is a project management and team collaboration tool by 37signals.](https://apiant.ai/connections/basecamp-3) - [ **Anthropic** Anthropic builds Claude, a family of large language models.](https://apiant.ai/connections/anthropic) Reviews ## What our customers say ## More from Basecamp 3 - [ **Basecamp 3 to FreeAgent** FreeAgent is cloud accounting software for small businesses and freelancers — manage contacts, invoices...](https://apiant.ai/connect/basecamp-3-to-freeagent) - [ **Basecamp 3 to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/basecamp-3-to-hubspot) - [ **Basecamp 3 to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/basecamp-3-to-salesforce) - [ **Basecamp 3 to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/basecamp-3-to-slack) - [ **Basecamp 3 to Google Sheets** Google Sheets](https://apiant.ai/connect/basecamp-3-to-google-sheets) - [ **Basecamp 3 to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/basecamp-3-to-gmail) ## More into Anthropic - [ **HubSpot to Anthropic** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-anthropic) - [ **Salesforce to Anthropic** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-anthropic) - [ **Mailchimp to Anthropic** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-anthropic) - [ **Stripe to Anthropic** Stripe is a payment processing platform for online businesses.](https://apiant.ai/connect/stripe-to-anthropic) - [ **Shopify to Anthropic** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/shopify-to-anthropic) - [ **QuickBooks Online to Anthropic** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/quickbooks-online-to-anthropic) Questions ## Basecamp 3 and Anthropic, answered ### ### What can start an automation from Basecamp 3? Any of Basecamp 3's 3 triggers in the catalog, including New Project, New To-do and New To-do in any project. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Anthropic when something happens in Basecamp 3? Any of Anthropic's 9 actions, including Create message batch, Send model a message, Anthropic agent message and Count tokens in a message. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Anthropic to Basecamp 3? Anthropic has no triggers in the catalog today, so automations start in Basecamp 3. If you need the other direction, ask: your agent reads Anthropic's API documentation and adds it. ### ### Do I have to build a connector for Basecamp 3 or Anthropic? 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 Basecamp 3 and Anthropic 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.