Broker Card
Listing card preview and auto-publish for C2C platforms. Generates platform-adapted listing cards for user review, then auto-publishes on confirmation. Also handles setting the repricing schedule and price shield before publishing. Use when user is ready to list an item after price research. Trigger: "publish", "list it", "上架", "确认发布".
Install
$ agentstack add skill-madguyevans-creator-resale-agent-skill-hub-broker-card ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-madguyevans-creator-resale-agent-skill-hub-broker-card) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
broker-card: Generate, Review, and Publish Listings
Generates platform-specific listing cards, collects schedule+fuse settings, and auto-publishes on user confirmation.
Workflow
Phase 1: Card Generation
For each target platform, generate a formatted listing card:
┌─────────────────────────────────────┐
│ 🛍️ 闲鱼 Xianyu 上架卡片 │
├─────────────────────────────────────┤
│ 📝 标题: [platform-optimized] │
│ 📂 分类: [platform category path] │
│ 💰 价格: ¥XXX │
│ 📋 描述: [platform-tone adapted] │
│ 🏷️ 标签: #tag1 #tag2 #tag3 │
│ ⚠️ 成色: Grade X — [detail] │
└─────────────────────────────────────┘Phase 2: Schedule + Shield (MANDATORY before publishing)
- Price shield: Unbreachable floor price. This MUST be set via
broker-fusebefore publishing. The publish script validates: if no floor is set, publishing is blocked. - Repricing interval: How often to re-check prices (default 7 days)
Explain the trade-off: higher floor = more profit per sale but slower; lower floor = faster liquidity.
Phase 3: Publish (floor-gated)
- Floor validation: script checks
listing.fuse_price > 0andlisting.current_price >= listing.fuse_price. Blocked otherwise. - User says "发布" or "confirm"
- Script auto-publishes to each platform using stored session
- Each publish event is logged to the audit trail (
audit_logger.log_publish) - Each listing URL is saved to state manager
- System scheduler is registered for repricing checks
Platform Adaptations
| Platform | Tone | Title Limit | |----------|------|-------------| | 闲鱼 Xianyu | Casual, authentic, community | 30 chars | | 转转 Zhuanzhuan | Semi-formal, inspection-report | 40 chars | | eBay | Professional, keyword-dense | 80 chars | | Depop | Lifestyle, aesthetic | 60 chars |
Script
python3 scripts/publish.py --item-id --action generate # Generate cards
python3 scripts/publish.py --item-id --action publish # Publish allSource & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: madguyevans-creator
- Source: madguyevans-creator/resale-agent-skill-hub
- License: MIT
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.