lulzasaur9192/marketplace-search-mcp

Overview

An MCP server that aggregates search and price data from multiple online marketplaces including TCGPlayer, Reverb, Thumbtack, OfferUp, and Craigslist. It also provides contractor and nurse license verification as well as PSA grading lookups. The tool is built in TypeScript and exposes these capabilities through the Model Context Protocol.

Best for

Best for
Developers building AI agents that need multi-marketplace search and professional credential checks in a single MCP integration

Use cases

• Searching product listings and comparing prices across TCGPlayer, Reverb, and Craigslist
• Verifying professional licenses for contractors or nurses via integrated lookups
• Checking PSA grading status for collectible cards

Notes

An MCP server that aggregates search and price data from multiple online marketplaces including TCGPlayer, Reverb, Thumbtack, OfferUp, and Craigslist. It also provides contractor and nurse license verification as well as PSA grading lookups. The tool is built in TypeScript and exposes these capabilities through the Model Context Protocol.

1 stars on GitHub. Last updated 2026-03-29.

Use cases

• Searching product listings and comparing prices across TCGPlayer, Reverb, and Craigslist
• Verifying professional licenses for contractors or nurses via integrated lookups
• Checking PSA grading status for collectible cards

Pros

• Covers a wide range of marketplaces and professional verification in one server
• Lightweight TypeScript implementation with a single-star community footprint
• Provides niche data (PSA grading, license checks) not commonly bundled together

Cons

• Very low community adoption (1 star) suggests limited testing or reliability
• No clear documentation on rate limits, authentication, or data freshness for each source
• License verification and grading features may depend on third-party APIs that could break without notice

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.