constitutional-ai

constitutional-ai is a skill in Orchestra-Research/AI-Research-SKILLs, last changed 20 Nov 2025. It can name web addresses. Our pattern check flagged nothing at commit 773a529 on 27 Oct 2026.

Pattern check: nothing flagged · commit 773a529 · 27 Oct 2026

Install
From the author
Anthropic's method for training harmless AI through self-improvement. Two-phase approach - supervised learning with self-critique/revision, then RLAIF (RL from AI Feedback). Use for safety alignment, reducing harmful outputs without human labels. Powers Claude's safety system.
Licence
MIT
Repo stars
14.0k
Files
1 file
Checked
773a529 (opens in a new tab) · 27 Oct 2026

Install

Each tab says whether it installs commit 773a529, the one we checked, or the latest version.

No tab for your agent? Use Any agent for OpenCode, Goose, Windsurf (Devin Desktop), Zed, Roo Code, Factory Droid, Junie, Amp and Antigravity, and Claude Code for Cline. Kiro needs the folder copied by hand.

Pinned to commit 773a529, the one we checked.

From your project's root folder:

tmp="$(mktemp -d)" &&
  git clone -q --depth 1 --filter=blob:none --no-checkout https://github.com/Orchestra-Research/AI-Research-SKILLs.git "$tmp" &&
  git -C "$tmp" fetch -q --depth 1 origin 773a52944ba4747a18bd4ae9ade53fff041adcbc &&
  git -C "$tmp" sparse-checkout set -- 07-safety-alignment/constitutional-ai &&
  git -C "$tmp" checkout -q 773a52944ba4747a18bd4ae9ade53fff041adcbc &&
  mkdir -p .claude/skills &&
  mkdir .claude/skills/constitutional-ai &&
  cp -R "$tmp"/07-safety-alignment/constitutional-ai/. .claude/skills/constitutional-ai/ &&
  rm -rf "$tmp"

If Claude Code was already running and this created the skills folder, run /reload-skills.

Or install the safety-alignment plugin it ships in. Installs the latest version, not the one we checked. Installs everything in the plugin, including any hooks, MCP servers and scripts our check doesn't cover.

claude plugin marketplace add Orchestra-Research/AI-Research-SKILLs --scope project &&
  claude plugin install safety-alignment@ai-research-skills --scope project
Claude Code docs (opens in a new tab)

What it can touch

From the files and frontmatter at commit 773a529. This is how much a skill can do, not whether it is risky.

What it can touch: Scripts or outside hosts

  • Names web addresses

    It mentions outside web addresses the agent may visit. We list them but don't follow them.

Pattern check

Pattern check: nothing flagged · commit 773a529 · 27 Oct 2026

We checked every text file in this skill, at commit 773a529 on 27 Oct 2026, against 45 published patterns such as download-and-run commands, hidden text and credential access. We don't run the skill, we don't read the web pages it points to, and we can't judge everything its instructions might lead an agent to do. In published tests, pattern checks like this one missed most malicious skills. Read the skill before you install it — especially anything it asks you to download or run.

How the check worksReport an incorrect finding

Outside links we did not follow

  • https://arxiv.org/abs/2212.08073
  • https://www.anthropic.com/research/constitutional-ai-harmlessness-from-ai-feedback

Format check

Each agent reads SKILL.md a little differently. We check the file against each one's published rules; we don't run the skill in any agent.

  • Agent Skills specPasses with warnings

    The open format from agentskills.io, held to what the strictest agents enforce, so one folder loads everywhere.

    • Warning

      The frontmatter uses [ ] or { } values. Most agents accept them, but the spec's validator (skills-ref) rejects the file. F4

      Fix: Write lists as "- item" lines and maps as indented key: value lines, without anchors or tags.

    • Warning

      Fields outside the spec: version, author, tags and dependencies. Uploads to the Claude apps and API, and the spec's validator, reject the file; most agents ignore these fields. O1

      Fix: Delete them for a portable skill, or keep them if you only target the agents that read them.

    • Warning

      Links to files that aren't in the skill folder: line 262: references/constitution-design.md, line 264: references/rlaif-comparison.md and line 266: references/cot-critique.md. B3

      Fix: Add the missing files or correct the paths, relative to SKILL.md.

  • Claude CodePasses with warnings

    Claude Code reads its own extra fields, ignores unknown ones, and still loads a skill whose frontmatter is broken, without its fields.

    • Warning

      Links to files that aren't in the skill folder: line 262: references/constitution-design.md, line 264: references/rlaif-comparison.md and line 266: references/cot-critique.md. B3

      Fix: Add the missing files or correct the paths, relative to SKILL.md.

    • Note

      Claude Code ignores fields it doesn't know: version, author, tags and dependencies. O1

      Fix: Check the spelling against Claude Code's field list, or delete them.

  • Claude apps & API uploadFails

    Uploading to claude.ai or the Claude API, or packaging with Anthropic's script, accepts only the six spec fields and stops on anything else.

    • Error

      Upload and packaging fail on fields outside the spec: version, author, tags and dependencies. O1

      Fix: Delete them, and keep your own data under metadata as text values.

    • Warning

      Links to files that aren't in the skill folder: line 262: references/constitution-design.md, line 264: references/rlaif-comparison.md and line 266: references/cot-critique.md. B3

      Fix: Add the missing files or correct the paths, relative to SKILL.md.

    • Note

      The description is 277 characters. The claude.ai Help Center says 200 at most, though Anthropic's API docs and validator allow 1,024. D4

      Fix: If the claude.ai upload refuses it, trim the description to 200 characters.

  • OpenAI (Codex & API)Passes with warnings

    Codex finds SKILL.md by its exact name and needs a description; OpenAI's Skills API checks the frontmatter against the spec and caps uploads.

    • Warning

      Fields outside the spec: version, author, tags and dependencies. Codex ignores them; OpenAI doesn't say whether its upload accepts them. O1

      Fix: Delete them, or move your own data under metadata as text values.

    • Warning

      Links to files that aren't in the skill folder: line 262: references/constitution-design.md, line 264: references/rlaif-comparison.md and line 266: references/cot-critique.md. B3

      Fix: Add the missing files or correct the paths, relative to SKILL.md.

  • VS Code & CopilotPasses with warnings

    VS Code reads skills one folder below .github/skills, .claude/skills or .agents/skills and falls back to the folder name when the name is missing or differs; GitHub's Copilot docs require the exact name SKILL.md.

    • Warning

      Links to files that aren't in the skill folder: line 262: references/constitution-design.md, line 264: references/rlaif-comparison.md and line 266: references/cot-critique.md. B3

      Fix: Add the missing files or correct the paths, relative to SKILL.md.

    • Note

      VS Code ignores fields it doesn't support: version, author, tags and dependencies. O1

      Fix: Delete them unless another agent you target reads them.

SKILL.md

Files

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