Tools

Guides you through creating a plugin from scratch or customizing an existing plugin's connectors, skills and settings for your team's tools and workflows, producing an installable plugin package. Maintained by Anthropic; runs in Cowork mode in the Claude desktop app.

Common Room's official plugin: researches accounts and contacts using product usage, community and buying-intent signals, builds pre-meeting briefs and weekly call prep, drafts email, LinkedIn and phone outreach, and creates account plans. Needs a Common Room account.

Helps with headcount planning and org design: maps reporting lines and spans of control, sequences upcoming hires, estimates people costs, and flags structural issues like single points of failure or top-heavy management. Works in plain chat. Official from Anthropic.

Builds structured interview kits for a role: behavioral and situational questions by competency, follow-up probes, a 1 to 4 scoring rubric and a debrief template, so interviewers assess candidates against the same bar. Part of Anthropic's official human-resources plugin.

Data analysis plugin: writes queries in each SQL dialect, explores datasets, runs statistical tests, charts with Python and builds interactive HTML dashboards, then reviews methods and conclusions before sharing. Connects to Snowflake, BigQuery and other warehouses. Official from Anthropic.

Runs commands and scripts in a sandbox, indexes large tool outputs for full-text search and returns only results to the context window to save tokens; after compaction it can retrieve edits and task state. Supports Claude Code, Codex and more. Needs Node.js 22.5+.

Processes large tool outputs in a sandbox and returns only the results to context; logs session events in SQLite with FTS5 so work continues after context compaction. Supports Claude Code, Codex and a dozen other clients. ELv2 licensed.

Produces monthly, quarterly or annual income statements with prior-period, year-over-year and budget comparisons, flagging material variances. Includes balance sheet and cash flow formats plus GAAP presentation and period-end adjustment references. From Anthropic's finance plugin; get it reviewed.

Skill collection for the gws CLI: one skill per Workspace API plus recipes for common Gmail, Drive, Docs, Calendar and Sheets workflows. Install gws and authorize your Google account first; not an officially supported Google product.

One CLI for Gmail, Drive, Calendar, Docs, Sheets and other Google Workspace APIs, with commands generated from the Discovery service, JSON output and 100+ Agent Skills. From the googleworkspace org but not officially supported; needs OAuth via a Google Cloud project.

Executive assistant persona skill for the gws CLI: prepares daily briefings, meeting prep and weekly digests, triages the Gmail inbox, checks conflicts before scheduling and drafts replies. Needs gws authorized via your own Google Cloud project, plus the Gmail, Calendar, Drive and Chat skills.

Breaks budget-versus-actual, year-over-year and month-over-month variances into volume, price and mix drivers, filters by materiality thresholds, writes variance commentary and provides waterfall breakdowns for monthly business reviews. From Anthropic's official finance plugin.

Performance review season helper: generates self-review and manager review templates and calibration materials, summarizes rating distributions and promotion cases, and rewrites vague feedback into specific behavioral examples. Works in plain chat. Official from Anthropic.

HR plugin: drafts offer letters, generates onboarding checklists, runs performance reviews, answers policy questions, and produces compensation benchmarks and people analytics reports. Can connect to HRIS and ATS systems. Official from Anthropic.

Reviews contracts clause by clause against your organization's negotiation playbook, flags deviations, proposes redlines and analyzes business impact. A skill from Anthropic's official legal plugin; conclusions need review by a legal professional.

Makes social media routine for small business owners: keeps a rolling content calendar, learns the owner's voice before writing captions, adapts one image per platform, and waits for approval on each post. Image creation needs Canva; Shopify, HubSpot and Mailchimp are optional. By Anthropic.

Anthropic's official business operations plugin: vendor evaluations, process docs (flowcharts, RACI, SOPs), change requests, capacity planning, status reports and runbooks. Works without external tools and does more with ITSM and project management tools connected.

Designs multi-email marketing sequences for onboarding, lead nurturing, win-back and launches, with full copy for each email, timing, branches and exit conditions, benchmarks and A/B test ideas. No email tool required. Part of Anthropic's official marketing plugin.

Support for small merchants: reads customer emails, checks orders and refunds in Stripe, PayPal, Square or Shopify, and drafts replies in the owner's voice per your refund policy; can refund via Stripe or Square after explicit approval. Works with pasted emails too. Official from Anthropic.

Quickly pre-screens incoming NDAs and sorts them green, yellow or red into standard approval, legal review or full review, focusing on non-competes, non-solicitation and missing carve-outs. Part of Anthropic's official legal plugin.

30/60/90-day cash flow forecasts for small businesses: reads receivables, payables and collections from your accounting system, PayPal or Stripe (or an uploaded CSV), gives a forecast with ranges and risk flags, and exports to Excel. Have an accountant review. Official from Anthropic.

Outreach skill from Anthropic's official sales plugin: uses account research and past emails to write personalized prospecting emails or multi-touch follow-up sequences, saved as drafts for your review. Works best with email and CRM connected; otherwise returns copy-ready text.

Reorder planning for small merchants: reads sales and stock from Shopify, Square, NetSuite or CSV, projects stockout dates from 7- and 28-day velocity, sizes reorders from 60-day usage plus lead time, drafts POs and supplier emails, and flags dead stock. Nothing is sent unapproved. By Anthropic.

Helps small business owners collect overdue payments: finds overdue invoices in QuickBooks, Xero, PayPal or Stripe and drafts reminder emails with a tone suited to each customer's payment history, sent only after your approval. Without a connection, upload an AR aging CSV. By Anthropic.