Local-first grocery price intelligence with a read-only MCP server.
{
"mcpServers": {
"io-github-xiaojiou176-open-dealwatch": {
"command": "<see-readme>",
"args": []
}
}
}No install config available. Check the server's README for setup instructions.
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Local-first grocery price intelligence with a read-only MCP server.
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Will it work with my client?
Transport: stdio. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
No automated test available for this server. Check the GitHub README for setup instructions.
No known vulnerabilities.
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Compare the aisle before you commit to one cart.
DealWatch turns “which grocery URL is actually the right target?” into one product-shaped loop: compare candidate URLs first, keep cross-store context alive, then carry the right row into a watch task or compare-aware watch group with proof, effective-price history, and alert state attached.
The public boundary stays strict on purpose: DealWatch is local-first, compare-first, and evidence-first. It is not a hosted SaaS, not a generic shopping chatbot, and not an autonomous buying agent. AI helps explain compare, watch-group, and recovery decisions, but deterministic product truth still leads.
Try the Sample Compare · See the Proof · Run Local Quick Start · Builder Route · Releases

The first public screen below is the actual Compare Preview evidence surface, using the same read-only sample fixture linked from the public site.

Recommended first path for most visitors:
Compare Preview -> Proof -> Quick StartBuilders only after the product story is already clear and you specifically need the
read-only agent/client surfaceChoose the first door that matches your real goal:
Compare Preview: start here when you want the fastest truthful product tour before you install anything.Quick Start: use this path when you are ready to turn the sample product tour into the local runtime for your own grocery URLs.Builders: use this specialist path when you want the honest read-only MCP/API route for Codex, Claude Code, OpenHands, OpenCode, OpenClaw, and similar builder clients, with repo-owned distribution assets available after the route is clear.If you need the next most useful follow-up after that first door:
Proof: open this when you want the claim-to-evidence map behind the public story.Comparison: open this when you want the shortest "why this is not a generic price tool" answer.Most visitors should follow one short sequence:
Compare Preview to understand the product shapeProof to verify the claims and boundariesQuick Start when you want your own URLs in the local runtimeBuilders only when your real job is wiring an agent/client against the read-only decision surface