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Official agent skill

Reviewing Security Architecture

by bitwarden in bitwarden/ai-plugins

This skill should be used when the user asks to "review the security architecture", "check authentication patterns", "evaluate trust boundaries", "review encryption implementation", "assess…

OfficialCustom licenceAuto-check passedBackend & APIs

Install Reviewing Security Architecture

skills CLI
$ npx skills add bitwarden/ai-plugins --skill reviewing-security-architecture -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install bitwarden/ai-plugins reviewing-security-architecture --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/bitwarden/ai-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/bitwarden-security-engineer/skills/reviewing-security-architecture .claude/skills/reviewing-security-architecture && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
reviewing-security-architecture
GitHub stars
155
Token cost
~2.2k tokens
SKILL.md length
811 words
Files
3 (incl. references)
Skills in repo
35
Repo updated
First seen
Licence
Custom licence

At a glance

This skill should be used when the user asks to "review the security architecture", "check authentication patterns", "evaluate trust boundaries", "review encryption implementation", "assess…

  • Works in 5 steps: Validate all input — type, format,… → Authenticate the caller — verify… → Authorize the action — verify the caller… → …
  • Asks to review the security architecture
  • SKILL.md covers Authentication Architecture, Authorization Patterns, Data Protection and Trust Boundaries, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Reviewing Security Architecture is an agent skill from bitwarden/ai-plugins, published by the product's own GitHub organization. This skill should be used when the user asks to "review the security architecture", "check authentication patterns", "evaluate trust boundaries", "review encryption implementation", "assess authorization design", or needs to evaluate system designs for authentication, authorization, data protection, or cryptographic correctness.

Its SKILL.md is about 2.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files, including reference files (for example `references/architectural-anti-patterns.md` and `references/crypto-algorithms.md`).

It sits in Backend & APIs, covering Authorization and RBAC, Cryptography and Authentication. The repository describes itself as: AI plugin marketplace.

When your agent uses it

  • Asks to review the security architecture
  • Check authentication patterns
  • Evaluate trust boundaries
  • Review encryption implementation

Example prompts

  • “review the security architecture”
  • “check authentication patterns”
  • “evaluate trust boundaries”
  • “/reviewing-security-architecture”

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Validate all input — type, format, range, length. Don't trust upstream validation.
  2. Authenticate the caller — verify identity before processing requests.
  3. Authorize the action — verify the caller has permission for this specific operation.
  4. Sanitize output — encode/escape data appropriate to the destination context.
  5. Log the crossing — security-relevant boundary crossings should be auditable.

What it can do on your machine

Read from SKILL.md and the folder at commit 0e684b9. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are csharp).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Reviewing Security Architecture loads about 2.2k tokens when it runs, and up to ~3k if it reads all its reference files. Until then it costs about 91 tokens; SKILL.md has 811 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~91
When it runs · the whole SKILL.md, loaded when a task matches
~2.2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 811 words (~2,206 tokens).

“Review these aspects of token-based authentication:”

— opening of SKILL.md by bitwarden, Custom licence
name
reviewing-security-architecture

Read the full SKILL.md on GitHub

Files

SKILL.md and 2 other files (references) in plugins/bitwarden-security-engineer/skills/reviewing-security-architecture of bitwarden/ai-plugins.

  • SKILL.md
  • references/architectural-anti-patterns.md
  • references/crypto-algorithms.md

Open the folder on GitHubat commit 0e684b9

Compare with similar skills

Reviewing Security Architecture next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Reviewing Security Architecture compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Reviewing Security Architecture this skillbitwarden/ai-plugins155—~2.2kAutomated safety check: PassCustom licence
Security ProtocolNoobyGains/godmode109—~2.4kAutomated safety check: NotesMIT
Cognitoitsmostafa/aws-agent-skills1.2k1 repos~2.3kAutomated safety check: PassMIT
Auth Implementation Patternsynulihao/AgentSkillOS61810 repos~4.4kAutomated safety check: PassNone
Configuration Cryptogreenpau/caddy-security2.3k—~3.5kAutomated safety check: PassApache-2.0
Supercheck Security Authsupercheck-io/supercheck215—~1.2kAutomated safety check: PassAGPL-3.0

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Categories

Questions about Reviewing Security Architecture

What does Reviewing Security Architecture do?

This skill should be used when the user asks to "review the security architecture", "check authentication patterns", "evaluate trust boundaries", "review encryption implementation", "assess…. Reviewing Security Architecture is an agent skill from bitwarden/ai-plugins, published by the product's own GitHub organization. This skill should be used when the user asks to "review the security architecture", "check authentication patterns", "evaluate trust boundaries", "review encryption implementation", "assess authorization design", or needs to evaluate system designs for authentication, authorization, data protection, or cryptographic correctness.

When should I use Reviewing Security Architecture?

Reviewing Security Architecture fits situations like: asks to review the security architecture; check authentication patterns; evaluate trust boundaries; review encryption implementation.

How do I install Reviewing Security Architecture in Claude Code?

Run `npx skills add bitwarden/ai-plugins --skill reviewing-security-architecture -a claude-code`. Or copy the skill folder (plugins/bitwarden-security-engineer/skills/reviewing-security-architecture in bitwarden/ai-plugins) into .claude/skills/reviewing-security-architecture in your project. Claude Code loads it when a task matches its description.

How do I install Reviewing Security Architecture in Codex?

Run `npx skills add bitwarden/ai-plugins --skill reviewing-security-architecture -a codex`. Or copy the skill folder (plugins/bitwarden-security-engineer/skills/reviewing-security-architecture in bitwarden/ai-plugins) into .agents/skills/reviewing-security-architecture in your project. Codex loads it when a task matches its description.

Can I use Reviewing Security Architecture in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add bitwarden/ai-plugins --skill reviewing-security-architecture -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/reviewing-security-architecture, .gemini/skills/reviewing-security-architecture, .github/skills/reviewing-security-architecture and .opencode/skills/reviewing-security-architecture in your project.

What does Reviewing Security Architecture need to run?

SKILL.md names no scripts, command-line tools or credentials: Reviewing Security Architecture is instructions for the agent only.

Does Reviewing Security Architecture access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Reviewing Security Architecture safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Reviewing Security Architecture use?

Reviewing Security Architecture has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Reviewing Security Architecture use?

About 2.2k tokens (SKILL.md is roughly 8.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 786 tokens, read only when the agent opens those files.

What are the alternatives to Reviewing Security Architecture?

Skills that share tags, products or a category with Reviewing Security Architecture: Security Protocol (NoobyGains/godmode, 109 stars), Cognito (itsmostafa/aws-agent-skills, 1.2k stars), Auth Implementation Patterns (ynulihao/AgentSkillOS, 618 stars) and Configuration Crypto (greenpau/caddy-security, 2.3k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Reviewing Security Architecture?

bitwarden (a GitHub organization, an official publisher) maintains it in bitwarden/ai-plugins, which has 155 GitHub stars. The repository holds 35 skills in this directory. The repository was last updated on October 9, 2026.

Source: bitwarden/ai-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.