4 agent skills for writing, each from its publisher's own repository or a large open-source project. Open a skill for its license, install command and the date we checked it.
Doc Co-Authoring is Anthropic's agent skill that takes you and an AI agent through a document in three stages: gather context, draft section by section, then test it on a fresh reader.
gws-gmail is the Gmail agent skill in Google Workspace's gws CLI repository: it lets an agent send, read, reply to, forward and triage Gmail messages through the gws command line.
Internal Comms is Anthropic's open-source agent skill for writing inside a company: the agent drafts 3P updates, company newsletters, FAQs and other internal messages in set formats.
Writing Guidelines is Vercel's agent skill for docs review: the agent checks your pages against Vercel's Writing Guidelines and lists each style or tone issue by file and line.