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mcp/skillhub

Agent Skill

PR Writing Review skill

pr-writing-reviewevalstate/fast-agentexamples/hf-toad-cards/skills/pr-writing-review/SKILL.md

Extract and analyze writing improvements from GitHub PR review comments. Use when asked to show review feedback, style changes, or editorial improvements from a GitHub pull request URL. Handles both explicit suggestions and plain text feedback. Produces structured output comparing original phrasing with reviewer suggestions to help refine future writing.

3.9kApache-2.0

always on

64 tokname + description

once used

1,530 tokSKILL.md body

bundled files

11 scripts

repo stars

3.9kGitHub

Install the PR Writing Review skill

Skills CLI (Claude Code, Codex, Cursor and others)

npx skills add https://github.com/evalstate/fast-agent --skill pr-writing-review

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/evalstate/fast-agent.git /tmp/fast-agent
mkdir -p ~/.claude/skills
cp -R /tmp/fast-agent/examples/hf-toad-cards/skills/pr-writing-review ~/.claude/skills/pr-writing-review

For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.

What it costs your context

Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.

WhenWhat loadsCost
Every sessionName and description64 tok
When the agent uses itThe SKILL.md instructions1,530 tok
Only if opened1 bundled files (24 KB)varies

Until it is used, pr-writing-review costs about 21× less than the median MCP server we measured (1,363 tokens on every turn). Installing all 3 skills from evalstate/fast-agent would load 184 tokens of descriptions. Skills vs MCP study

Checks

  • Ships scripts the agent can run. Read them before installing.

Checked 2026-10-22 · method

What's inside

The headings of its SKILL.md. Read the full file on GitHub.

  • PR Writing Review
  • Prerequisites
  • Division of Labor
  • Quick Start
  • Workflow
  • Step 1: Extract with --diff
  • Step 2: Analyze the Output
  • Script Options
  • Output Structure
  • Default Output
  • With --diff
  • Handling File Renames
  • Example Analysis Output
  • Limitations

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