Blog
Guides, comparisons, and case studies for Claude Cowork.
A first contract review with the Legal plugin
Anthropic's official Legal plugin ships 9 skills including review-contract. What they cover and where the human line sits, verified from the repo.
October 11, 2026
GuideThe Customer Support plugin's 5 skills, mapped
Ticket triage, draft responses, escalation, KB articles, customer research - what Anthropic's official support plugin ships, verified from the repo
October 11, 2026
GuideThe Sales plugin's call-prep workflow
Anthropic's official Sales plugin ships 10 skills. Which ones prepare a call from your own notes, verified from the public repo - not run.
October 11, 2026
GuideAnalyze a CSV in Cowork - and check the numbers
What Anthropic's docs say Cowork can do with spreadsheets and data, plus the verification habits that keep an AI's arithmetic honest.
October 11, 2026
GuideThe Productivity plugin's tasks-and-memory workflow
Anthropic's official Productivity plugin ships 5 skills built around tasks and memory. What each does, verified from the public repo - not run.
October 11, 2026
GuideThe Marketing plugin's path to a campaign brief
Anthropic's official Marketing plugin ships 8 skills. How they chain into a campaign brief, verified from the public repo - contents, not a run.
October 11, 2026
GuideInstall a Cowork plugin and try a first task (documented)
The documented install path in Cowork, what happens on first use, and what a good first ask looks like - from Anthropic's docs.
October 11, 2026
GuideConnector connected but unusable: the documented causes
The connector shows as connected, yet the plugin cannot use it. The documented causes, in check order.
October 11, 2026
GuidePlugin installed but skills are missing: what to check
The plugin shows as installed but Claude never uses its skills. The documented causes, in check order.
October 11, 2026
GuideCowork plugins not loading? The documented causes
When a plugin does not show up or does nothing, the cause is on a short documented list. Check them in order.
October 11, 2026
ShortlistClaude Cowork plugins: a starter shortlist by job
One official plugin per job function, with what is inside each. Verified from Anthropic's repo - a map, not a hands-on review.
October 11, 2026
ShortlistOperations plugins for a weekly review in Claude
Anthropic's official Operations plugin ships 9 skills. Which ones map to a weekly ops review, verified from the public repo - not run.
October 11, 2026
ShortlistClaude plugins for consultants: a shortlist by task
Which official Claude plugins map to consulting work - research, deliverables, contracts, status. Verified from Anthropic's repo.
October 11, 2026
GuideCustomize a Claude plugin without losing the original
Copy first, edit the copy, keep the original installed. Tested on Claude Code v2.1.296, plus the documented Cowork upload path.
October 11, 2026
GuideAdd a GitHub marketplace to Claude Cowork or Claude Code
The documented Cowork steps for adding a marketplace from GitHub, the tested Claude Code command, and the errors that come up.
October 11, 2026
GuideClaude plugin not syncing to Cowork: documented causes
Plugin sync between Code and Cowork is one-way, version-gated and sign-in dependent. The documented causes, in check order.
October 11, 2026
ComparisonCowork vs Code: which plugin features carry over?
The same plugin folder installs in both, but each surface loads a different subset. The documented matrix and the one-way sync rule.
October 11, 2026
GuideDisable or remove a Claude plugin safely
Disable keeps the plugin but turns it off; uninstall deletes the entry. Tested on v2.1.296, plus the documented Cowork steps.
October 11, 2026
GuideClaude plugin validation failed? Check the package first
Most plugin validation errors are package problems, not Claude problems. The real error messages and the fixes, tested on v2.1.296.
October 11, 2026
GuideClaude Code marketplace not found: how to fix it
A typo'd marketplace name surfaces as a plugin-not-found error. The real error messages and the checks that fix them.
October 10, 2026
GuideClaude Code plugin scope: user, project or local?
The -s flag decides who gets the plugin and whether it travels in git. What each scope writes and which to pick.
October 10, 2026
GuideCreate a minimal Claude Code plugin (tested)
One command scaffolds a working local plugin. What init creates, how the SKILL.md frontmatter works, and when to package.
October 10, 2026
GuideInstall a Claude Code plugin from a marketplace
Tested on Claude Code v2.1.296: add Anthropic's official marketplace, install a plugin, pick a scope, verify what landed.
October 10, 2026
GuideClaude Cowork finance plugins: what the official one does
The official Finance plugin's 8 skills and 6 connectors, tested - plus how to judge community finance plugins.
October 10, 2026
GuideClaude Cowork plugin permissions: what they access
A Cowork plugin's access is not one switch. What connectors, local components and permissions each part can reach.
October 10, 2026
GuideOfficial vs community Cowork plugins: who made it?
Who publishes each Cowork plugin, how the catalog reviews them, and what official vs community means for trust and support.
October 10, 2026
GuideClaude Cowork plugin requirements: the checklist
Which Claude plans include plugins, which devices Cowork needs, and the access checks to run before you install anything.
October 10, 2026
ComparisonCowork plugins vs skills vs connectors, explained
A skill tells Claude how to do a task. A connector gives it access to a service. A plugin packages both. How to tell them apart and which you need.
October 10, 2026