Semantic Shield provides expert human-vetted security validation and safety scoring for AI agent skills, plugins, and MCP tools.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install semantic-shield
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install semantic-shield using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Semantic Shield?
Semantic Shield is a critical security layer for the AI ecosystem, offering real-time safety verdicts for Openclaw Skills and other agent integrations. Unlike automated scanners, it leverages human experts with decades of enterprise security experience to evaluate the risk profile of third-party tools before they are granted access to your environment.
By providing a trust score from 0 to 100, this skill enables developers to implement automated allow or deny logic based on verifiable security data. It ensures that every skill, plugin, or MCP tool added to an agent has been analyzed for threat detection and 0-day vulnerabilities by specialized security staff.
Semantic Shield Use Cases
- Verifying the safety of a new plugin or MCP tool before installation.
- Automating risk-based decisions within autonomous AI agent workflows using Openclaw Skills.
- Submitting undocumented or unknown integrations for expert security review.
- Monitoring existing integrations for new 0-day threats or status changes.
- Evaluating the compliance and risk profile of third-party AI tools.
How Semantic Shield Works
- The agent identifies a potential skill or plugin to be installed or executed within the Openclaw Skills framework.
- A search query is sent to the Semantic Shield registry to check if the tool is already vetted.
- If found, the agent retrieves a detailed trust profile including a safety score, risk level, and human-written summary.
- If the skill is not in the database, the agent can submit the public metadata for a new expert evaluation inquiry.
- Based on the returned numerical score, the agent follows pre-defined decision logic to either install, warn the user, or block the action.
Semantic Shield Setup
To get started, you must obtain an API key from the official dashboard and configure your environment variables.
- Create an account at https://dashboard.simplysemantics.com to generate your key.
- Set the required environment variable in your terminal or configuration file:
export SEMANTIC_SHIELD_API_KEY='your_api_key_here'
Semantic Shield Data Schema & Taxonomy
The skill manages security metadata through a structured registry. Below is the primary data schema returned during a safety check:
| Field | Description | Type |
|---|---|---|
| skill_id | Unique identifier for the vetted skill | String |
| safety_score | Numerical risk value from 0 (critical) to 100 (safe) | Integer |
| risk_level | Categorical rating (e.g., safe, low, medium, high, critical) | String |
| vetted | Indicates if human expert review has been completed | Boolean |
| recommendation | Actionable advice for the AI agent (e.g., safe to install) | String |
Semantic Shield Advanced Features
- Human-in-the-loop validation by security experts with US Homeland Security experience.
- Integration with MCP-compatible tool vetting workflows.
- Continuous 0-day monitoring for all previously vetted Openclaw Skills.
- Webhook alerts for Pro-tier users to trigger immediate agent responses to status changes.
- Comprehensive threat detection that goes beyond simple static code analysis.
SKILL.md
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METADATA
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