Free Free catalog: tested by us, made by others
All add-ons
Add-ons give your assistant new abilities: skills teach it a job, agents are helpers it can hand work to, and connectors link it to other programs. Every add-on here was installed on a clean test system first.
The tabs filter the list below for that kind of work.
Start here: must-haves for daily work and research
Most useful first. Install the first one, try it, then add more.
Start with this one
Read Word, PDF and Excel files
MarkItDown MCP
Lets your assistant read your Word, PDF, Excel and PowerPoint files.
Test: installs cleanly and works without an account. Not yet used on real work.
EveryoneWatch outIt reads any file address the agent gives it, including files outside the folder you meant. Run it in a limited setup if the agent is not fully trusted.
For any assistant What it does and how we tested itPaste this in the terminal pip install markitdown-mcp
Make AI text sound human
Humanizer
Rewrites stiff, AI-sounding text so it reads like a person wrote it.
Install: step 1 of 2
Step 1 of 2 · Type this inside Claude Code /plugin marketplace add blader/ humanizer For Claude Code. All steps and how we tested it
Helpers for office jobs
Knowledge Work Plugins
Ready helpers from Anthropic for office jobs such as sales, finance, HR and support.
Install: step 1 of 2
Step 1 of 2 · Paste this in the terminal claude plugin marketplace add anthropics/knowledge-work-plugins For Claude Code. All steps and how we tested it
Search the web
Exa MCP
Lets your assistant search the web for fresh facts and read the pages it finds.
Install line
Paste this in the terminal claude plugin install exa@claude-plugins-officialFor Claude Code. All steps and how we tested it
Research helpers
VoltAgent research subagents
Research helpers for market studies, competitor checks and trend reports.
Install: step 1 of 2
Step 1 of 2 · Paste this in the terminal claude plugin marketplace add VoltAgent/awesome-claude-code-subagents For Claude Code. All steps and how we tested it
13 add-ons match your filters
All add-ons
13 add-ons match your filters.
Read Word, PDF and Excel files
MarkItDown MCP
Lets your assistant read your Word, PDF, Excel and PowerPoint files.
Install line
Paste this in the terminal pip install markitdown-mcpFor any assistant. All steps and how we tested it
Make AI text sound human
Humanizer
Rewrites stiff, AI-sounding text so it reads like a person wrote it.
Install: step 1 of 2
Step 1 of 2 · Type this inside Claude Code /plugin marketplace add blader/ humanizer For Claude Code. All steps and how we tested it
Helpers for office jobs
Knowledge Work Plugins
Ready helpers from Anthropic for office jobs such as sales, finance, HR and support.
Install: step 1 of 2
Step 1 of 2 · Paste this in the terminal claude plugin marketplace add anthropics/knowledge-work-plugins For Claude Code. All steps and how we tested it
Save the plan of long tasks
Planning with Files
Keeps the plan and progress of a long task in notes, so the assistant does not lose its place.
Install line
Paste this in the terminal npx skills add OthmanAdi/planning-with-files --skill planning-with-files -g For any assistant. All steps and how we tested it
Control a browser
Playwright MCP
Lets your assistant open web pages and click and type like you do.
Install line
Paste this in the terminal claude mcp add playwright npx @playwright/mcp@latest For Claude Code. All steps and how we tested it
Search the web
Exa MCP
Lets your assistant search the web for fresh facts and read the pages it finds.
Install line
Paste this in the terminal claude plugin install exa@claude-plugins-officialFor Claude Code. All steps and how we tested it
Research helpers
VoltAgent research subagents
Research helpers for market studies, competitor checks and trend reports.
Install: step 1 of 2
Step 1 of 2 · Paste this in the terminal claude plugin marketplace add VoltAgent/awesome-claude-code-subagents For Claude Code. All steps and how we tested it
Marketing helpers
Marketing Skills
About 50 helpers for marketing work: copy, SEO and growth ideas.
Install line
Paste this in the terminal npx skills add coreyhaines31/marketingskills For any assistant. All steps and how we tested it
Google Drive, Gmail and Sheets
Google Workspace CLI
Lets the assistant work with your Google Drive, Gmail, Calendar and Sheets.
Install line
Paste this in the terminal npm install -g @googleworkspace/cli For any assistant. All steps and how we tested it
Business helpers
VoltAgent business subagents
Ready helpers for business work: a product manager, a copywriter, a UX researcher and more.
Install: step 1 of 2
Step 1 of 2 · Paste this in the terminal claude plugin marketplace add VoltAgent/awesome-claude-code-subagents For Claude Code. All steps and how we tested it
Google Docs and Gmail for Gemini
Gemini CLI Workspace extension
An extension that lets Gemini CLI read and write your Google Docs, Drive files, Calendar and Gmail after you sign in with your Google account.
Install line
Paste this in the terminal gemini extensions install https:// github.com/ gemini-cli-extensions/ workspace For Gemini CLI. All steps and how we tested it
Remember past sessions
claude-mem
Lets the assistant remember what it did in earlier sessions.
Install: step 1 of 2
Step 1 of 2 · Type this inside Claude Code /plugin marketplace add thedotmack/ claude-mem For Claude Code. All steps and how we tested it
Every must-have for daily work and research: skills, agents and connectors