Describe one real workflow
The strongest small research tools solve a repeated problem that can be described plainly. Explain the input, the transformation, the output, and the scientific decision that remains with the user. A narrow README with a realistic example is often more useful than a long feature list without a reproducible path.
Preserve assumptions in the interface
Expose thresholds, fitting ranges, units, column expectations, and default values. A tool should not turn a scientific choice into an invisible implementation detail. When possible, save parameters with the result so a collaborator can understand how an output was created.
Add a small verification dataset
Include one or two non-sensitive sample files and an expected result. A sample allows new users to confirm installation, understand the format, and compare behavior after a change. It also gives contributors a concrete regression check without requiring access to unpublished measurements.
Document failure states
Explain common errors: missing columns, unsupported formats, insufficient points, invalid ranges, or unreadable exports. Useful error messages save time and discourage workarounds that may generate plausible but incorrect results. A tool earns trust when it fails clearly.
Publish with maintainability in mind
Use version tags, a concise changelog, a license, and an issue template. State the maintenance status honestly. Open source does not require a large community, but it benefits from a clear boundary: what the tool does, what it does not do, and how a user can report an edge case.