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Agent skill

Email Writer

by RightNow-AI in RightNow-AI/openfang

Professional email writing expert for tone, structure, clarity, and business communication

Apache-2.0Auto-check passedWriting & Content

Install Email Writer

skills CLI
$ npx skills add RightNow-AI/openfang --skill email-writer -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install RightNow-AI/openfang email-writer --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/RightNow-AI/openfang.git skills-src && mkdir -p .claude/skills && cp -r skills-src/crates/openfang-skills/bundled/email-writer .claude/skills/email-writer && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
email-writer
GitHub stars
18k
Token cost
~897 tokens
SKILL.md length
518 words
Files
1
Skills in repo
68
Repo updated
First seen
Licence
Apache-2.0

At a glance

Professional email writing expert for tone, structure, clarity, and business communication

  • Tasks that involve Email writing
  • SKILL.md covers Key Principles, Techniques, Common Patterns and Pitfalls to Avoid
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Email Writer is an agent skill from RightNow-AI/openfang. Professional email writing expert for tone, structure, clarity, and business communication

Its SKILL.md is about 900 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Writing & Content, covering Email writing. The repository describes itself as: Open-source Agent Operating System. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Email writing

Example prompts

  • “/email-writer”

What it can do on your machine

Read from SKILL.md and the folder at commit acf2587. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Email Writer loads about 897 tokens when it runs. Until then it costs about 26 tokens; SKILL.md has 518 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~26
When it runs · the whole SKILL.md, loaded when a task matches
~897

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from RightNow-AI/openfang at commit acf2587, republished under its Apache-2.0 licence (© RightNow-AI). 518 words, ~897 tokens.

Download SKILL.mdSave it as .claude/skills/email-writer/SKILL.md (or your agent's skills folder).
name
email-writer
description
Professional email writing expert for tone, structure, clarity, and business communication

Professional Email Writer

A business communication specialist with deep expertise in crafting clear, effective, and appropriately toned emails for professional contexts. This skill provides guidance for structuring emails that get read, understood, and acted upon, whether writing to executives, clients, teammates, or external partners across cultures and communication styles.

Key Principles

  • Lead with the bottom line up front (BLUF): state the purpose, decision needed, or key information in the first sentence so the reader immediately knows why this email matters
  • Match your tone to the relationship and context; an update to your team reads differently than a request to a VP or a negotiation with a vendor
  • Make the ask explicit and actionable; every email that requires a response should state exactly what is needed and by when
  • Keep emails scannable with short paragraphs, bullet points, and bold key phrases; most recipients scan on mobile before deciding to read in full
  • Respect inbox volume by consolidating related points into one email rather than sending multiple messages in rapid succession

Techniques

  • Write subject lines that convey both topic and urgency: "Decision needed by Friday: Q3 budget allocation" is actionable, "Quick question" is not
  • Structure longer emails with sections: Context (1-2 sentences of background), Details (bullet points or numbered items), and Ask (clear next steps with deadlines)
  • Calibrate formality based on recipient: "Hi Alex" for peers, "Dear Dr. Chen" for formal external contacts, and match the tone the other party sets in their replies
  • Use CC intentionally: include people who need visibility, use BCC only for large distribution lists, and explain in the body why recipients are included if it is not obvious
  • Handle difficult conversations (delays, rejections, disagreements) with empathy-first framing: acknowledge the situation, explain the reasoning, and offer an alternative or next step
  • Set follow-up expectations: if you need a response, state the deadline; if no response is needed, say "No reply needed, just keeping you informed"
Show full SKILL.md (201 more words)Show less

Common Patterns

  • Status Update: Subject with project name and date, BLUF summary of status (on track / at risk / blocked), key accomplishments since last update, upcoming milestones, and blockers with proposed solutions
  • Request for Decision: State the decision needed, provide 2-3 options with brief pros and cons, include your recommendation, and specify the deadline for the decision
  • Introduction Email: Briefly explain why you are connecting the two parties, provide one sentence of relevant context about each person, and then step back to let them continue the conversation
  • Escalation: State what was attempted, why it did not resolve the issue, the impact of continued delay, and the specific help needed from the recipient

Pitfalls to Avoid

  • Do not bury the request or key information in the third paragraph; recipients who scan will miss it entirely
  • Do not use passive-aggressive language ("per my last email", "as previously mentioned") when a direct restatement is more effective
  • Do not reply-all to large threads unless your response is genuinely relevant to every recipient; use targeted replies to reduce noise
  • Do not send emotionally charged emails immediately; draft them, wait at least an hour, reread with fresh eyes, and then decide whether to send or soften the tone

© RightNow-AI, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in crates/openfang-skills/bundled/email-writer of RightNow-AI/openfang.

Open the folder on GitHubat commit acf2587

Compare with similar skills

Email Writer next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Email Writer compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Email Writer this skillRightNow-AI/openfang18k—~897Automated safety check: PassApache-2.0
End-of-Life Announcement Writergetcrew44/crew44356—~3.1kAutomated safety check: PassMIT
Write Like Me Bootstrapjxnl/personal-monorepo-template563—~1.1kAutomated safety check: PassNone
Email Voice Profileyc-software/qm15k—~856Automated safety check: PassMIT
Compose Outreachw95/awesome-claude-corporate-skills244—~1.4kAutomated safety check: PassMIT
Email Opsaffaan-m/ECC277k1 repos~1.1kAutomated safety check: PassMIT

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Categories

Questions about Email Writer

What does Email Writer do?

Professional email writing expert for tone, structure, clarity, and business communication. Email Writer is an agent skill from RightNow-AI/openfang.

When should I use Email Writer?

Email Writer fits situations like: tasks that involve Email writing.

How do I install Email Writer in Claude Code?

Run `npx skills add RightNow-AI/openfang --skill email-writer -a claude-code`. Or copy the skill folder (crates/openfang-skills/bundled/email-writer in RightNow-AI/openfang) into .claude/skills/email-writer in your project. Claude Code loads it when a task matches its description.

How do I install Email Writer in Codex?

Run `npx skills add RightNow-AI/openfang --skill email-writer -a codex`. Or copy the skill folder (crates/openfang-skills/bundled/email-writer in RightNow-AI/openfang) into .agents/skills/email-writer in your project. Codex loads it when a task matches its description.

Can I use Email Writer in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add RightNow-AI/openfang --skill email-writer -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/email-writer, .gemini/skills/email-writer, .github/skills/email-writer and .opencode/skills/email-writer in your project.

What does Email Writer need to run?

SKILL.md names no scripts, command-line tools or credentials: Email Writer is instructions for the agent only.

Does Email Writer access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Email Writer safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Email Writer use?

Email Writer is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Email Writer use?

About 897 tokens (SKILL.md is roughly 3.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Email Writer?

Skills that share tags, products or a category with Email Writer: End-of-Life Announcement Writer (getcrew44/crew44, 356 stars), Write Like Me Bootstrap (jxnl/personal-monorepo-template, 563 stars), Email Voice Profile (yc-software/qm, 15k stars) and Compose Outreach (w95/awesome-claude-corporate-skills, 244 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Email Writer?

RightNow-AI (a GitHub organization) maintains it in RightNow-AI/openfang, which has 18,214 GitHub stars. The repository holds 68 skills in this directory. The repository was last updated on July 2, 2026.

Source: RightNow-AI/openfang on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.