secrets-and-logging-hygiene

secrets-and-logging-hygiene is a skill for Claude Code, Codex from Robotti-io/copilot-security-instructions. It costs 29 tokens per session (456 once invoked), scanned A, original, Apache-2.0.

A workflow for finding secrets and sensitive information in code and logs, then reducing the chance that they are exposed. Secrets include passwords, API keys, tokens, and connection strings; sensitive information can include personal data.

In plain words
What is it for?
Scan for common secret patterns, identify sensitive-data sources and destinations, add log redaction, replace hardcoded credentials, and test that masking works.
Why use it?
It helps prevent credentials or private data from appearing in source code, logs, telemetry, or error output.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Scan for common secret patterns, identify sensitive-data sources and destinations, add log redaction, replace hardcoded credentials, and test that masking works.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/robotti-io/copilot-security-instructions/secrets-and-logging-hygiene
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.

Any agent
npx skills add Robotti-io/copilot-security-instructions --skill secrets-and-logging-hygiene
Clone the repo
git clone --depth 1 https://github.com/Robotti-io/copilot-security-instructions

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 secrets-and-logging-hygiene

README.md
[![agentmods](https://agentmods.dev/badge/skills/robotti-io/copilot-security-instructions/secrets-and-logging-hygiene/github.svg)](https://agentmods.dev/skills/robotti-io/copilot-security-instructions/secrets-and-logging-hygiene)
Your own site
<a href="https://agentmods.dev/skills/robotti-io/copilot-security-instructions/secrets-and-logging-hygiene"><img src="https://agentmods.dev/badge/skills/robotti-io/copilot-security-instructions/secrets-and-logging-hygiene/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for secrets-and-logging-hygiene

Your own site · 80×15
<a href="https://agentmods.dev/skills/robotti-io/copilot-security-instructions/secrets-and-logging-hygiene"><img src="https://agentmods.dev/badge/skills/robotti-io/copilot-security-instructions/secrets-and-logging-hygiene.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 456 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00029 $0.00456
Opus 5 $0.00015 $0.00228
Sonnet 5 $0.00006 $0.00091
Haiku 4.5 $0.00003 $0.00046

Measured 10d ago against content hash d7ff59b37202, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

secrets-and-logging-hygiene 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 10d 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.

skills/secrets-and-logging-hygiene/SKILL.md · 61 lines

What it actually says

Secrets and Logging Hygiene

When to use

Use this skill when asked to scan for secrets, harden logging, or reduce sensitive data exposure.

Inputs to collect (if available)

  • Data classification (PII, auth/session, payments)
  • Logging/telemetry stack (logger, APM, sinks)
  • Secret management approach (vault, env injection, KMS)
  • Incident/audit requirements (retention, access controls)

Step-by-step process

  1. Identify sensitive data
    • Credentials, tokens, API keys, connection strings
    • PII (emails, phone, addresses), financial identifiers
  2. Locate sources and sinks
    • Sources: env, config, secrets managers, request payloads
    • Sinks: logs, telemetry, error pages, analytics, support dumps
  3. Harden logging
    • Default to structured logs
    • Redact known patterns (Authorization headers, cookies, tokens)
    • Avoid logging full request/response bodies by default
  4. Prevent secret introduction
    • Replace hardcoded strings with env/secret manager references
    • Add guardrails: git hooks, CI secret scanning, unit tests for redaction
  5. Verify
    • Add tests ensuring redaction occurs
    • Run a lightweight grep for common secret patterns and known keys

Output

  • List of leak points found (if any)
  • Recommended redaction policy + implementation location
  • Tests and verification steps

Repo integration (optional)

Related prompts:

  • check-for-secrets.prompt.md
  • assess-logging.prompt.md

Output format

  • Leak points found (table): Type | Where | Evidence | Risk
  • Redaction policy: defaults + allow-listed fields
  • Guardrails: CI secret scanning, pre-commit, tests
  • Verification: how to confirm redaction and rotation

Examples

  • “Authorization header logged” → redact Authorization and cookies by default; verify logs no longer contain bearer tokens.
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. 10d ago First seen · 61 lines · 29 tokens per session scan A d7ff59b37202

Subscribe to this mod's changes

secrets-and-logging-hygiene is a skill published in the GitHub repository Robotti-io/copilot-security-instructions (42 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 29 tokens to every session and 456 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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