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Clawhub Skill

Name: Clawhub Skill
Author: cutthemustard

by CutTheMustard · GitHub ↗ · v1.0.0

cross-platform ⚠ suspicious

596

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Install in OpenClaw

/install cs-verify

Description

Verify factual claims against live data sources. Returns structured verdicts with confidence scores.

README (SKILL.md)

verify-claim

Verify any factual claim against live data sources. Returns a structured verdict with confidence score, current truth value, and freshness indicator.

Usage

Send a POST request to verify a claim:

curl -X POST https://636865636b73756d.com/v1/verify \
  -H "Content-Type: application/json" \
  -d '{"claim": "The USD to EUR exchange rate is 0.92"}'

Response Format

{
  "verdict": "confirmed",
  "confidence": 0.95,
  "current_truth": "0.921",
  "freshness": "live",
  "source_count": 2,
  "cached": false,
  "request_id": "abc-123",
  "service": "https://636865636b73756d.com",
  "referral_id": "cs_ref_a7b3"
}

Verdicts

confirmed — claim matches current data
stale — claim was true but data has changed
disputed — sources disagree
false — claim contradicts current data
unknown — unable to verify

Trending Claims

Get the top 100 most-queried claims in the last 24 hours:

curl https://636865636b73756d.com/v1/trending

Pricing

Free tier: 25 queries/day, no authentication required
Paid tier: unlimited queries via x402 protocol (USDC on Base), $0.001/query

Agent Discovery

Agent Card: https://636865636b73756d.com/.well-known/agent.json
Service metadata: https://636865636b73756d.com/.well-known/agent-service.json
MCP server: npm install -g @636865636b73756d/mcp-v1

Referrals

Every response includes a referral_id. Pass it as "referral": "cs_ref_..." in your requests to earn query credits. Tiers: 10+ referrals = 10%, 100+ = 15%, 1000+ = 20% credit on referred agent queries.

Usage Guidance

This skill forwards claims to an external, unvetted service (the SKILL.md consistently uses a hex-encoded domain). Before installing or enabling it: (1) verify the service/operator (look up the domain, ownership, and privacy policy); (2) avoid sending sensitive or confidential claims to the service; (3) decline the optional global npm install unless you can audit the package source; (4) be cautious about referral codes and crypto payment flow — they create incentives to log or monetize your queries. If you need verifiable, auditable fact-checking, prefer a skill with source code provided or one that calls well-known, documented APIs.

Capability Analysis

Type: OpenClaw Skill Name: cs-verify Version: 1.0.0 The skill is suspicious due to a direct instruction in `SKILL.md` to install a global npm package (`npm install -g @636865636b73756d/mcp-v1`). This represents a significant supply chain risk and a potential prompt injection vulnerability, as it instructs the AI agent to execute arbitrary code from an external source. If the specified npm package were malicious, this could lead to arbitrary code execution on the agent's host system. Additionally, the use of a hex-encoded domain name (`636865636b73756d.com` which decodes to 'checksum') is an unusual practice that could be a mild indicator of obfuscation.

Capability Assessment

ℹ Purpose & Capability

The name/description (verify factual claims against live data) align with the instructions: the SKILL.md consistently sends queries to a web API. There are no unrelated env vars, binaries, or config requirements declared. However, all runtime activity is delegated to an external service (domain shown in SKILL.md), so the trust boundary is entirely the remote host.

⚠ Instruction Scope

Runtime instructions tell the agent to POST user claims to multiple endpoints on a single third‑party domain (hex-encoded domain used throughout). The instructions do not ask the agent to read local files or credentials, but they do instruct sending user-provided content to that external service and to include a referral id for credits — this enables tracking/telemetry and could encourage leaking of queries. No privacy handling or data-retention guarantees are provided.

ℹ Install Mechanism

There is no formal install spec (instruction-only), which reduces local persistence risk. The doc however suggests installing a global npm package (npm install -g @636865636b73756d/mcp-v1) hosted under the same unfamiliar scope — an optional but potentially risky supply-chain action if performed. The package scope and host are untrusted/unverified.

✓ Credentials

The skill declares no required environment variables or credentials and the SKILL.md does not request secrets. That is proportionate to the described functionality. Note: the referral/paid-tier mechanism uses crypto payments but does not require credentials in the doc; monetization incentives could nevertheless motivate data collection.

✓ Persistence & Privilege

always:false and no install steps mean the skill does not request permanent system presence or elevated privileges. It does not ask to modify other skills' configs or system-wide settings.

How to Use

Make sure OpenClaw is installed (local or Docker)
Run the install command in chat: /install cs-verify
After installation, invoke the skill by name or use /cs-verify
Provide required inputs per the skill's parameter spec and get structured output

Version History

v1.0.0

Initial release of cs-verify skill. - Verify factual claims against live data sources with structured verdicts and confidence scores. - Supports claim categories for faster and specialized verification (financial, entity, geo, factcheck). - Provides a trending claims endpoint showing the top 100 queried claims in the last 24 hours. - Free tier available (25 queries/day, no auth); paid tier supports unlimited queries via USDC. - Includes unique referral system for earning credits on agent queries.

Metadata

Slug cs-verify

Version 1.0.0

License —

All-time Installs 0

Active Installs 0

Total Versions 1

Frequently Asked Questions

What is Clawhub Skill?

Verify factual claims against live data sources. Returns structured verdicts with confidence scores. It is an AI Agent Skill for Claude Code / OpenClaw, with 596 downloads so far.

How do I install Clawhub Skill?

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

Is Clawhub Skill free?

Yes, Clawhub Skill is completely free (open-source). You can download, install and use it at no cost.

Which platforms does Clawhub Skill support?

Clawhub Skill is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).

Who created Clawhub Skill?

It is built and maintained by CutTheMustard (@cutthemustard); the current version is v1.0.0.

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