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ctxinf

use-maskrun

by ctxinf · GitHub ↗ · v0.1.12 · MIT-0
cross-platform ✓ Security Clean
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Install in OpenClaw
/install use-maskrun
Description
Use maskrun instead of executing shell commands directly when commands may print environment variables, API keys, tokens, passwords, secrets, credentials, CI...
Usage Guidance
This skill is coherent and low-risk: it only advises using the separate tool maskrun and does not request credentials. Before relying on it, verify the maskrun binary from the linked GitHub releases (check signatures or repo reputation), ensure maskrun is installed on your agent environment, and remember maskrun only masks terminal output—it does not prevent a child process from transmitting secrets, writing files, or reading env vars. Configure maskrun's filter rules to cover the variable names you care about, and avoid running commands that print secrets when you need stronger isolation (use sandboxing or revoke credentials instead).
Capability Analysis
Type: OpenClaw Skill Name: use-maskrun Version: 0.1.12 The skill is a utility designed to enhance security by instructing the AI agent to wrap shell commands with 'maskrun' to prevent the accidental exposure of secrets (API keys, tokens, etc.) in logs and transcripts. It points to a legitimate GitHub repository (ctxinf/agent-env-guard) for the tool and provides standard configuration examples. No evidence of data exfiltration, malicious execution, or harmful prompt injection was found; the instructions are aligned with the stated purpose of protecting sensitive environment variables.
Capability Tags
requires-sensitive-credentials
Capability Assessment
Purpose & Capability
Name/description match the SKILL.md: the sole purpose is to advise wrapping shell commands with maskrun to avoid exposing environment values. The skill asks for no binaries, env vars, or config paths beyond documenting where maskrun's own config lives—this is proportionate.
Instruction Scope
Instructions are narrowly scoped to guidance for invoking maskrun and configuring its filter rules. They do not instruct the agent to read unrelated files, exfiltrate data, or send outputs to unexpected endpoints. The skill explicitly documents maskrun's limitations (it masks output only and does not sandbox child processes).
Install Mechanism
No install spec is included (instruction-only). The SKILL.md points users to the maskrun GitHub repo and releases, which is an appropriate, standard source; nothing in the skill performs remote downloads or writes to disk itself.
Credentials
The skill declares no required environment variables or credentials. It documents where maskrun reads its config (standard per-OS locations) which is legitimate and expected for a masking tool.
Persistence & Privilege
Skill uses default privileges (not always:true) and allows agent invocation (platform default). It does not request persistent presence, nor modify other skills or system settings.
How to Use
  1. Make sure OpenClaw is installed (local or Docker)
  2. Run the install command in chat: /install use-maskrun
  3. After installation, invoke the skill by name or use /use-maskrun
  4. Provide required inputs per the skill's parameter spec and get structured output
Version History
v0.1.12
remove install methods
v0.1.11
- Initial release of use-maskrun skill. - Guides users to run sensitive commands through `maskrun --` to mask secrets from output. - Explains when wrapping with `maskrun` is required and when direct execution is safe. - Provides installation and configuration instructions for maskrun. - Describes default config file locations and config options. - Stresses that maskrun only masks output and is not a sandbox.
Metadata
Slug use-maskrun
Version 0.1.12
License MIT-0
All-time Installs 0
Active Installs 0
Total Versions 2
Frequently Asked Questions

What is use-maskrun?

Use maskrun instead of executing shell commands directly when commands may print environment variables, API keys, tokens, passwords, secrets, credentials, CI... It is an AI Agent Skill for Claude Code / OpenClaw, with 80 downloads so far.

How do I install use-maskrun?

Run "/install use-maskrun" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.

Is use-maskrun free?

Yes, use-maskrun is completely free, licensed under MIT-0. You can download, install and use it at no cost.

Which platforms does use-maskrun support?

use-maskrun is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).

Who created use-maskrun?

It is built and maintained by ctxinf (@ctxinf); the current version is v0.1.12.

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