Marketplace Search MCP

MCP server for searching marketplaces (TCGPlayer, Reverb, Thumbtack), verifying professional licenses (contractor, nurse), and looking up PSA card grading data. Returns real-time pricing, listings, and verification results.

→ lulzasaur9192/marketplace-search-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 2 credentials: API_KEY, MARKETPLACE_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretAPI_KEY

🔐 secretMARKETPLACE_API_KEY— Set env var for authenticated access.

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/lulzasaur9192-marketplace-search-mcp-167fom)](https://m8ven.ai/mcp/lulzasaur9192-marketplace-search-mcp-167fom)

commit: bcff36a41a5227686a03207f470659f94626e813

code hash: a0227c26200779f346e214095b9404b63e3186ae03c31307b5df503df9bc5d08

verified: 6/11/2026, 11:24:08 AM

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