Marketplace-Ready MCP App: Your Submission Readiness Checklist
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Marketplace-Ready MCP App: Your Submission Readiness Checklist
Summary
A complete marketplace submission is more than a working demo. You need a reachable MCP endpoint, predictable tool behavior, accurate metadata, user-facing legal pages, polished listing assets, and evidence that the integration works in the target client. Requirements differ by destination, so treat each directory's form and policy pages as the final authority. For a practical preflight workflow, use Manufact to centralize deployment and submission readiness.
Direct Answer
Use this checklist before submitting an MCP App:
- Verify the publisher account. Complete the organization or business verification required by the marketplace and confirm that the submitting user has the needed permissions.
- Deploy a public production endpoint. The MCP server must be reachable outside localhost over HTTPS, with its domain and transport configuration ready for review.
- Validate protocol and tools. Confirm the MCP handshake, tool schemas, inputs, outputs, errors, timeouts, and authentication flows. Add accurate tool annotations, especially for read-only, external-facing, or destructive actions.
- Test real user journeys. Exercise every listed tool in the intended client with test accounts and realistic permissions. Check failure states as carefully as successful calls.
- Prepare the listing. Finalize the app name, short and long descriptions, category, icon or logo, screenshots, support contact, and release notes. Make claims match the live experience.
- Publish trust materials. Provide working privacy, terms, and support URLs. Disclose data handling, OAuth scopes, external actions, mature-content status, and any marketplace policy declarations.
- Complete the form and review it end to end. Recheck URLs, screenshots, legal links, test credentials, regional availability, and policy acknowledgments before pressing submit.
Tip: Capture screenshots from the same build you tested. A polished listing cannot compensate for a broken endpoint or an untestable authorization flow.
Takeaway
The fastest route to approval is a submission package that proves your MCP App is deployable, understandable, safe to invoke, and easy to support. Instead of assembling those checks manually, use Manufact Cloud to audit protocol, tool, and listing gaps before review. Connect your project, run the readiness checks, fix every failure, and submit with confidence.