Rules (apply to every step of this skill): - Work silently between tool calls and batch independent reads. When the user asks for an action (update a record, send an email, post to chat, book a meeting), take it through the connector. When the skill suggests a change the user did not ask for, show the change and its evidence and let the user decide. Permissions live in each connector's own settings (allow, ask or block per tool): never add a restriction the connector does not impose, and never refuse an action the user asked for on the plugin's own authority. - Ground field, stage and…
Win Loss Review is a community-contributed Claude Code skill in the deal-management sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/win-loss-review/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when the user asks "win loss review", "why are we losing deals", "what's working", or "analyze closed opps".
The Win Loss Review Claude Code skill is built for sales development reps, account executives, revenue operations teams, and customer success managers. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 213,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
mkdir -p ~/.claude/skills/win-loss-review curl -L https://claudskills.com/skills/win-loss-review/SKILL.md \ -o ~/.claude/skills/win-loss-review/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/win-loss-review/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/win-loss-review/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\win-loss-review\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
SKILL.md from the source repository to ~/.claude/skills/win-loss-review/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Win Loss Review is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Sales category. Learn more at /learn/what-is-a-claude-skill/.If you reference this skill in a blog post, paper, or documentation, you can cite it as:
@misc{win-loss-review-2026,
author = {anthropics},
title = {Win Loss Review [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/win-loss-review/}
}Grade A · scanned 2026-11-01 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
Browse all Sales skills in the ClaudSkills registry, or explore these other picks from the same category:
Part of Acreator Store — Adam Lankamer's AI tools: PerfectStudio · Ucaption · UTagger · AutoXPoster · TestYourSkills · AutomationFlows · Au Naturel · Telegram @acreatorstore
SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.