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Updated today

by hermes-labs-ai

little-canary

Detects prompt injection by its effect on a sacrificial canary model, not just pattern matching: untrusted input hits a powerless model first, a behavioral check reads the residue, and it returns block, flag, or pass before your primary model acts. Inbound preflight sensor, not a guarantee.

  • Active — Updated in the last 14 days
Works with
  • Claude
View on GitHub (opens in a new tab)

39 GitHub stars (39)

+1 in 16 days

Stars gained per day · daily snapshots since Sep 30
Stars gained per day, Sep 30 to Oct 16: +1 in total; the busiest day was Oct 7 with +1 stars.Oct 1: 0 starsOct 2: 0 starsOct 3: 0 starsOct 4: 0 starsOct 5: 0 starsOct 6: 0 starsOct 7: +1 starsOct 8: 0 starsOct 9: 0 starsOct 10: 0 starsOct 11: 0 starsOct 12: 0 starsOct 13: 0 starsOct 14: 0 starsOct 15: 0 starsOct 16: 0 stars
Stars gained between daily snapshots
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  • 1 skill (1 skills found in its SKILL.md files)
  • 9 forks (9 forks)
  • Today last update (Last updated today)

Install

Skills CLI

npx skills add hermes-labs-ai/little-canary

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/hermes-labs-ai/little-canarycp -r "little-canary/.agents/skills/little-canary" ~/.claude/skills/

Copies the little-canary skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add hermes-labs-ai/little-canary

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • little-canary

    Use when you need to screen inbound untrusted text before it reaches a primary model — detecting prompt injection by its behavioral effect on a sacrificial canary model, not just pattern matching — and want a block/flag/pass routing decision plus explicit behavioral-coverage state. Inbound preflight sensor, not a guarantee.

    .agents/skills/little-canary/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.