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Posted on May 30

Claude Just Open-Sourced 11 Professional Plugins — Sales, Legal, Finance, Marketing & More

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Claude Just Open-Sourced 11 Professional Plugins

TL;DR: Anthropic open-sourced 11 job-function plugins for Claude Cowork/Code: Productivity, Sales, Customer Support, Product Management, Marketing, Legal, Finance, Data, Enterprise Search, Bio Research, and Plugin Management. Each is a folder of markdown files — no code, no build step.

Summary

Anthropic just dropped 11 open-source plugins (18,000+ ★ on GitHub) that turn Claude into a specialist for specific job functions — from sales to legal to bio-research.

Each plugin bundles:

Skills — domain expertise Claude draws on automatically
Commands — explicit /slash actions you trigger
Connectors — MCP server integrations for external tools

The structure is dead simple: markdown files and JSON configs. No code at all.

The 11 Plugins at a Glance

Plugin	What It Does	Key Connectors
📋 Productivity	Task/calendar, daily workflows	Slack, Notion, Asana, Linear, Jira
💼 Sales	Prospect research, call prep	HubSpot, Close, Clay, ZoomInfo
🎧 Customer Support	Triage, draft responses, KB	Intercom, HubSpot, Guru
📊 Product Management	Specs, roadmaps, user research	Linear, Figma, Amplitude, Pendo
📣 Marketing	Content, campaigns, brand voice	Canva, Figma, Ahrefs
⚖️ Legal	Contract review, NDA, compliance	Box, Egnyte, Jira
💰 Finance	Journal entries, reconciliation	Snowflake, Databricks, BigQuery
📈 Data	SQL queries, stats, dashboards	Snowflake, Hex, Amplitude
🔍 Enterprise Search	Cross-tool search	Slack, Notion, Guru, Jira
🧬 Bio Research	Literature, genomics	PubMed, BioRender, bioRxiv
🔧 Plugin Management	Create/customize plugins	—

How It Works

Every plugin follows the same structure:

plugin-name/
├── .claude-plugin/plugin.json   # Manifest
├── .mcp.json                    # Tool connections
├── commands/                    # Slash commands
└── skills/                      # Domain knowledge

Skills are the magic. They encode best practices and step-by-step workflows that Claude reads automatically. For the sales plugin, there are skills like "how to research a prospect" and "how to write cold outreach."

Quick Start

Claude Cowork

Install from claude.com/plugins

Claude Code

claude plugin marketplace add anthropics/knowledge-work-plugins
claude plugin install sales@knowledge-work-plugins

Then use slash commands:

/sales:call-prep — Research prospect before a call
/data:write-query — Write and validate SQL
/pm:write-spec — Draft a product spec

Why This Matters

This is Anthropic's GPT Store play — but open-source.

OpenAI's GPT Store has revenue sharing with approval. Anthropic's countermove: open-source plugins anyone can fork, customize, and deploy without approval.

Key difference: Every OpenAI GPT is a proprietary black box. Every Anthropic plugin is markdown files on GitHub. You can:

Fork the repo
Swap connectors in .mcp.json
Add company terminology to skill files
Deploy — no approval needed

FAQ

Q: Do I need Claude Cowork?
A: No — works with Claude Code (CLI) too.

Q: Can I use with other AI tools?
A: Skills are markdown. With adaptation, any AI coding agent can use them.

Q: Is it really just markdown?
A: Yes. Skills = markdown. Config = JSON. No code.

Q: Can I create my own plugin?
A: Yes — there's a dedicated plugin-management plugin, or just copy the folder structure.

Personal Take

Tested the Productivity plugin with Claude Code. /task:plan breaks down ambiguous requirements into actionable steps. Reads my Notion tasks, checks Linear, suggests a daily plan.

The best part? I added my standup template to the skills folder. Now every /daily:standup follows our format. Customization: 30 seconds.

The Bottom Line

Anthropic gave away 11 job-function experts for free. No API calls, no upsell, no approval. Just markdown.

The winners won't be the ones who install defaults. They'll be the ones who fork the repo, customize the skills, and build their advantage into the markdown.

DEV Community