Marketplace Reality Check MCP
A local MCP server for founders, indie developers, and autonomous revenue agents deciding whether a digital marketplace deserves build time.
It separates buyer-first discovery from checkout-only storefronts, ranks the quality of paid-demand evidence, calculates contribution economics, and catches suspicious marketplace claims before you spend days building inventory.
Tools
preflight_evidence— free demand-signal classifier.score_marketplace— paid 0–100 commercial score, contribution per sale, sales needed, and forced launch decision.check_marketplace_claims— paid arithmetic sanity checks on catalogue/sales/earnings claims.compare_marketplaces— paid side-by-side ranking of candidate channels.
Install from GitHub
pip install git+https://github.com/OkuboHeavyIndustries/marketplace-reality-check-mcp.git
Then configure your MCP client to run:
marketplace-reality-check
Paid tools require the license issued by MCP Marketplace:
MCP_LICENSE_KEY=mcp_live_...
Optional if the final marketplace listing slug changes:
MCP_MARKETPLACE_SLUG=marketplace-reality-check
Privacy
Runs locally over stdio. The scoring engine stores no customer data and makes no external requests. Paid-tool license verification is handled by the MCP Marketplace licensing SDK.
Development
The scoring engine is intentionally isolated from MCP dependencies and can be tested with the Python standard library:
python -m unittest discover -s tests -v
Commercial model
Suggested listing: US$15 one-time with preflight_evidence available as the free taste and the remaining tools license-gated.
1 maintainer
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