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Install in OpenClaw
/install summarizer2
Description
Summarize URLs or files with the summarize CLI (web, PDFs, images, audio, YouTube).
Usage Guidance
This skill is a thin wrapper around a local 'summarize' CLI and appears coherent with that purpose. Before installing: (1) inspect the Homebrew tap/formula (steipete/tap/summarize) to confirm it’s from a trusted source; (2) be aware that any text, files, or URLs you summarize will be sent to the model provider you select — don’t upload sensitive data to third‑party APIs unless you trust them and understand their data retention/privacy policies; (3) prefer configuring the CLI with credentials you control and avoid pasting high‑privilege secrets into unrelated environments; (4) if you want extra safety, run the binary in an isolated environment/container and check network activity during initial runs.
Capability Analysis
Type: OpenClaw Skill
Name: summarizer2
Version: 1.0.0
The skill is a straightforward wrapper for the 'summarize' CLI tool, used for processing URLs, local files, and YouTube links. It utilizes standard environment variables for AI provider API keys and installs via a legitimate Homebrew tap (steipete/tap/summarize). No evidence of data exfiltration, malicious execution, or prompt injection was found.
Capability Assessment
Purpose & Capability
Name/description describe a CLI summarizer and the skill requires the 'summarize' binary and even provides a brew install for it — this is proportionate and expected for a CLI‑wrapper skill.
Instruction Scope
SKILL.md only instructs how to run the summarize CLI, which files/URLs to pass, and which environment variables the CLI will use; it references an optional config file (~/.summarize/config.json) and optional service keys (FIRECRAWL_API_KEY, APIFY_API_TOKEN) that are relevant to the stated functionality.
Install Mechanism
Install uses a Homebrew formula (steipete/tap/summarize). Homebrew formulas are a reasonable install method, but this is a third‑party tap (not the core/homebrew formula repo) — you should review the formula source before installing since a tap can run arbitrary install steps.
Credentials
The skill itself declares no required env vars, but the CLI supports multiple provider API keys (OPENAI_API_KEY, ANTHROPIC_API_KEY, XAI_API_KEY, GEMINI_API_KEY, etc.) and optional service keys. That is proportionate for a multiprovider summarization tool, but you should only provide credentials for providers you trust and be aware that content will be sent to whichever model/API you choose.
Persistence & Privilege
The skill does not request permanent presence (always: false) and does not declare modifications to other skills or system settings. There is no indication it writes to agent configs beyond the CLI's own optional config path.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install summarizer2 - After installation, invoke the skill by name or use
/summarizer2 - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
- Major update: Summarizer skill reworked as a CLI utility for summarizing web, file, and YouTube content.
- Documentation now focuses on practical CLI usage, supported models, API keys, and command flags.
- Audience and technique guidelines removed; sample protocol, techniques.md, and formats.md references dropped.
- Details provided for installation (brew), configuration, and optional third-party integrations.
- Emphasis on usage examples and available output options (length, format, machine-readable, extraction flags).
Metadata
Frequently Asked Questions
What is summarizer2?
Summarize URLs or files with the summarize CLI (web, PDFs, images, audio, YouTube). It is an AI Agent Skill for Claude Code / OpenClaw, with 131 downloads so far.
How do I install summarizer2?
Run "/install summarizer2" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is summarizer2 free?
Yes, summarizer2 is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does summarizer2 support?
summarizer2 is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created summarizer2?
It is built and maintained by Simmus (@simmusjune); the current version is v1.0.0.
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