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Show HN: Facebook Marketplace MCP

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Show HN: Facebook Marketplace MCP

Post by rpst » Fri, Apr 10, 2026, 1:59 AM UTC

I'm on marketplace way too much, so I gave Claude access to help me find good deals on items I want. Searching, monitoring, etc all from the command line. Use at your own risk, I made sure it behaves nicely so Facebook won't mind.

Show HN: Facebook Marketplace MCP
github.com

Re: Show HN: Facebook Marketplace MCP

Post by The_SamminAter » Fri, Apr 10, 2026, 2:24 AM UTC

Neat! Thanks for doing the legwork, I’ll reimplement this in bash for some personal projects.

I would have thought that Facebook would mind non-humans accessing marketplace. At least, that’s what previous research has lead me to believe.

Re: Show HN: Facebook Marketplace MCP

Post by rpst » Fri, Apr 10, 2026, 2:36 AM UTC

The_SamminAter wrote: post #2

Neat! Thanks for doing the legwork, I’ll reimplement this in bash for some personal projects. I would have thought that Facebook would mind non-humans accessing marketplace. At least, that’s what previous research has lead me to believe.

I previously thought so too, but turns out you can use the graphQL endpoint with the Chrome cookies and it's virtually indistinguishable

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