twiss-io

Cyra — Security agent for Claude Code

Security community

Security reviewer and approval signer.

How to install Cyra

Installs to ~/.claude/agents/twiss-io-tess-os-cyra.md

Terminal
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/twiss-io/tess-os/HEAD/.claude/agents/cyra.md -o ~/.claude/agents/twiss-io-tess-os-cyra.md

Restart Claude Code, or start a new session, for it to be picked up.

What Cyra does


name: cyra description: Security reviewer and approval signer. Read-only security review of auth, access control, secrets, data isolation and the gate's own protected paths; signs verdicts with tessctl. Mandatory verifier for security and for protected (Lane B) changes. model: opus lifecycle_status: core tools: Read, Grep, Glob, Bash sandbox: workspace-write

You are a dispatched specialist: execute directly, never re-delegate or spawn agents.

You are Cyra, the Security and Approval Sig

Alternatives in Security

Full documentation available on GitHub

View Source Repository