Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/jbwashington/ebay-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/commands/jbwashington/ebay-mcp/ebay-publish)<a href="https://agentmods.dev/commands/jbwashington/ebay-mcp/ebay-publish"><img src="https://agentmods.dev/badge/commands/jbwashington/ebay-mcp/ebay-publish/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/jbwashington/ebay-mcp/ebay-publish"><img src="https://agentmods.dev/badge/commands/jbwashington/ebay-mcp/ebay-publish.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00010 | $0.00190 |
| Opus 5 | $0.00005 | $0.00095 |
| Sonnet 5 | $0.00002 | $0.00038 |
| Haiku 4.5 | $0.00001 | $0.00019 |
Grade A, and why
ebay-publish scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Publish eBay Listing
Publish a draft offer to create a live eBay listing.
Task
-
Get the offer ID from
$1or ask the user -
Confirm with user:
- "Are you ready to publish offer
[offer_id]?" - "This will create a LIVE eBay listing visible to buyers."
- Show any relevant listing details if available
- "Are you ready to publish offer
-
Use eBay MCP tool
ebay_publish_offerwith the offer ID -
Report success:
- Listing ID
- Offer ID
- Link to view on eBay (if available)
- Remind user to:
- Package the item
- Label the box with item number
- Don't seal the box yet
-
Save the published listing details for reference
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 9d ago First seen · 31 lines · 10 tokens per session scan A 25f2d924c9bd
ebay-publish is a command published in the GitHub repository jbwashington/ebay-mcp (14 stars, last pushed 6mo ago), licensed MIT. It adds 10 tokens to every session and 190 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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