Tools

HubSpot's official CLI for AI agents (beta): find and bulk-update contacts, companies, deals and tickets, log calls and meetings, advance deal stages and route conversations, with an official skill pack. Needs a HubSpot account and browser login; writes hit live data, so try --dry-run first.

ActiveCampaign's official plugin: analyze email marketing and automation performance, review contacts and sales pipelines, build marketing plans from your account data and draft email campaigns; changes are previewed first; sending stays in the app. Needs an ActiveCampaign account and its MCP URL.

HubSpot's official sales plugin with the HubSpot remote MCP: skills to import contacts and deals, get daily briefs, prep calls, draft follow-up emails, log call notes back to HubSpot and review the pipeline. Needs a HubSpot account.

Intercom's official support plugin: via a remote MCP, search conversations, analyze support issue trends, look up contacts and companies, build 360-degree customer profiles, and install Messenger. Read-only; needs an Intercom workspace and currently works only in the US region.

Shippo's official plugin: compare rates from dozens of carriers (USPS, UPS, FedEx, DHL), validate addresses, buy labels incl. customs, track packages, ship in bulk and analyze costs. Needs a Shippo account (OAuth); rates and validation are free, labels cost. Mainly for North American sellers.

Customer.io's official plugin (hosted MCP included): build automated messaging journeys and audience segments from plain-language descriptions, draft emails in Design Studio, report on campaign performance and diagnose deliverability. Needs a Customer.io account with MCP enabled (trial available).

Windsor.ai's official plugin: connects ad accounts on Google, Meta, TikTok and more plus 350+ data sources such as GA4 and CRMs for quick cross-channel performance reports and wasted-spend detection; asks before changing budgets or pausing ads. Needs a Windsor.ai account with data sources connected.

Pendo's official plugin: two short rounds of questions capture your goals and brand style, then it generates ready-to-launch in-app guides such as walkthroughs, announcements, reminders, polls and promotions as HTML/CSS/JS. Needs a Pendo account authorized in Claude Code.

StackOne's official plugin connects its hosted MCP so agents can search and act across hundreds of connected business systems, from HR platforms like Workday and SAP to CRMs and Jira, for example looking up leave requests. Needs a StackOne account (free plan available) with your systems connected.

Synthflow's official plugin: connects its AI voice agent platform to create and publish voice agents, place test calls and review call logs, with built-in call QA and pre-launch prompt review skills. Needs a Synthflow account (free trial available) with OAuth sign-in on first use.