Security Audit

Security Audit is a skill for Claude Code, Codex from vinilana/dotcontext. It costs 10 tokens per session (1,358 once invoked), scanned A, original, MIT.

A checklist for reviewing the security of the @dotcontext/cli command-line tool and its MCP server. MCP is a way for an AI application to call tools and access connected data.

In plain words
What is it for?
Use it when reviewing API-key handling, AI-provider integrations, file access, MCP commands, export or sync code, dependencies, or a release.
Why use it?
It helps identify risks involving credentials, files, command inputs, exported content, user data, and third-party packages.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/vinilana/dotcontext/security-audit
Any agent
npx skills add vinilana/dotcontext --skill security-audit
Clone the repo
git clone --depth 1 https://github.com/vinilana/dotcontext

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for Security Audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/vinilana/dotcontext/security-audit.svg)](https://agentmods.dev/skills/vinilana/dotcontext/security-audit)
Your own site
<a href="https://agentmods.dev/skills/vinilana/dotcontext/security-audit"><img src="https://agentmods.dev/badge/skills/vinilana/dotcontext/security-audit.svg" alt="Measured on agentmods" height="20"></a>
Per session 10 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,358 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00010 $0.01358
Opus 5 $0.00005 $0.00679
Sonnet 5 $0.00002 $0.00272
Haiku 4.5 $0.00001 $0.00136

Measured 3d ago against content hash 7f4d015f2fdc, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Security Audit scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.context/skills/security-audit/SKILL.md · 129 lines

How it starts

The opening of the file, as written. The whole thing — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Security Audit

Security review checklist specific to the @dotcontext/cli CLI tool and MCP server.

When to Use

  • Reviewing code that handles API keys or credentials
  • Adding a new AI provider integration
  • Changing the MCP server's file access or path resolution
  • Modifying the export/sync service that writes files
  • Evaluating dependencies for vulnerabilities
  • Before a release (especially major or minor versions)

Threat Model

The @dotcontext/cli tool has a specific threat surface:

Asset Risk Location
AI provider API keys Exposure via logs, config files, or provider helpers src/services/ai/providerFactory.ts, env vars
File system access Path traversal, reading outside repo boundaries src/services/mcp/gateway/explore.ts, readFileTool.ts
MCP server stdio Command injection via tool parameters src/services/mcp/mcpServer.ts
Generated scaffold content Inclusion of secrets in .context/ output src/services/ai/tools/, src/services/autoFill/, src/generators/
User repository content Unintended exposure via exported context src/services/export/, src/services/sync/
Dependencies Supply chain vulnerabilities package.json

Security Checklist

API Key Handling

  • API keys are read from environment variables or CLI flags, never hardcoded
  • Provider env access goes through src/services/ai/providerFactory.ts helpers
  • Keys are never logged, even in verbose mode
  • Keys are never written to scaffold files or .context/ output
  • Content sanitization (src/utils/contentSanitizer.ts) strips potential secrets from generated content
  • .env files are in .gitignore

File System Security

  • File paths are resolved with path.resolve() before access
  • Path traversal is prevented: no ../ sequences that escape the repo root
  • readFileTool.ts validates paths are within the project boundary
  • MCP explore tool's read action bounds access to the repo path
  • Glob patterns in list and search actions respect exclude patterns
  • Generated files are written only to the configured output directory (.context/ by default)

Read the full file on GitHub · 129 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 129 lines · 10 tokens per session scan A 7f4d015f2fdc

Subscribe to this mod's changes

Security Audit is a skill published in the GitHub repository vinilana/dotcontext (561 stars, last pushed 1mo ago), licensed MIT. It adds 10 tokens to every session and 1,358 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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