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Generate F# signature files.

Published
Oct 23, 2026
18d ago
Total Downloads
43.7K
43,651

Install

dotnet add package telplin --version 0.18.0

No framework information available.

README

Telplin

Logo

Telplin helps F# users to generate matching signature files for implementation files.

Usage

dotnet tool install -g telplin
telplin src/App/App.fsproj --files App/Api.fs

This writes Api.fsi next to Api.fs, lists it in the project, and keeps only what other files of the project use: a let binding nothing else calls is left out, which makes it private. The project is type checked before and after, so a signature that does not match is never written.

The same, from the file itself: Telplin finds the project it belongs to.

telplin src/App/Api.fs

Pass --keep-unused to get everything the file exposes, and leave out --files to do the whole project. Run telplin --help for the other flags.

Checkout our documentation for more information.

Local development

Run online tool

dotnet fsi build.fsx -- -p Watch

Format code

dotnet fantomas src tests docs tool

Changes from Previous Version

No structural changes between v0.17.3 and v0.18.0.

Adoption Assessment

Assess this package against its supported frameworks, license, maintenance signals and dependency graph before making it a project standard.

No target framework metadata is available. Confirm compatibility in a representative project before standardising on this package.

Related Guides & Workflows

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