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Semaphore Protocol

Category: Engineering  ·  Sub-category: engineering-misc  ·  Last updated:
type:integration
Comprehensive guide for integrating Semaphore V4 zero-knowledge protocol. Use when developing anonymous voting systems, privacy-preserving authentication, ZK proofs, smart contracts with group membership verification, or implementing Semaphore SDK features (Identity management, Group operations, Proof generation/verification). Also use when modifying, upgrading, or debugging existing Semaphore integrations.

What this skill does

Semaphore Protocol is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/semaphore-protocol/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when developing anonymous voting systems, privacy-preserving authentication, ZK proofs, smart contracts with group membership verification, or implementing Semaphore SDK features (Identity management, Group operations, Proof generation/verification). Also use when modifying, upgrading, or debugging existing Semaphore integrations.

Who uses this skill

The Semaphore Protocol Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 70,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/semaphore-protocol
curl -L https://claudskills.com/skills/semaphore-protocol/SKILL.md \
  -o ~/.claude/skills/semaphore-protocol/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/semaphore-protocol/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/semaphore-protocol/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\semaphore-protocol\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

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.

Pro

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See pricing → Download desktop app

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
semaphore-protocol. (2026). Semaphore Protocol [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/semaphore-protocol/
BibTeX
@misc{semaphore-protocol-2026,
  author    = {semaphore-protocol},
  title     = {Semaphore Protocol [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/semaphore-protocol/}
}

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