Borrowing it
Nothing to install: this file belongs to YegorMy/marketplace-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/YegorMy/marketplace-mcp/main/AGENTS.mdgit clone --depth 1 https://github.com/YegorMy/marketplace-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/instructions/yegormy/marketplace-mcp/agents-md)<a href="https://agentmods.dev/instructions/yegormy/marketplace-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/yegormy/marketplace-mcp/agents-md/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/instructions/yegormy/marketplace-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/yegormy/marketplace-mcp/agents-md.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 | $0.00215 | $0.00215 |
| Opus 5 | $0.00108 | $0.00108 |
| Sonnet 5 | $0.00043 | $0.00043 |
| Haiku 4.5 | $0.00021 | $0.00021 |
Grade A, and why
marketplace-mcp AGENTS.md 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
Agent notes
marketplaces_mcp is a read-only MCP server for product search and comparison across Ozon and Yandex Market.
Rules
- Keep the service read-only. Do not add login, account sessions, cart actions, orders, reservations, or payments.
- Do not bypass CAPTCHA, anti-bot pages, or rate limits. Return
CAPTCHA_OR_BLOCKEDand a useful source/search URL instead. - Tests must work in
fixturemode with local HTML strings or files and no network access. - Tool outputs must match the schemas in
core/models.py. - Marketplace failures should not crash the MCP server. Return warnings and partial structured data when possible.
Verification
uv run pytest -q
uv run python scripts/test-mcp-client.py
uv run python scripts/smoke-search.py --query "бумага a4" --limit 2
Live marketplace smoke tests may return warnings if a marketplace blocks scraping. That is acceptable when the MCP response stays structured and includes a source URL.
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 · 22 lines · 215 tokens per session scan A 76e57d85bd46
marketplace-mcp AGENTS.md is an instructions file published in the GitHub repository YegorMy/marketplace-mcp (0 stars, last pushed 1mo ago), licensed MIT. It adds 215 tokens to every session, about $0.0011 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 2026-08-31.
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AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
codex AGENTS.md
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vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
spec-kit AGENTS.md
AGENTS.md instructions for github/spec-kit, covering agents.md, about spec kit and specify, quickstart — add a new integration in 5 steps, integration architecture and integrationmanifest — file tracking.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).