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goose/crates/goose-sdk/examples/uniffi/README.md

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UniFFI examples

These examples exercise the in-process Goose SDK UniFFI bindings from Python and Kotlin.

Prerequisites

source bin/activate-hermit
export DEEPSEEK_API_KEY=...

Generate bindings

Regenerate the Python and Kotlin bindings before running the examples:

just --justfile crates/goose-sdk/justfile _generate python
just --justfile crates/goose-sdk/justfile _generate kotlin

This writes generated bindings and the debug native library under crates/goose-sdk/generated/.

Python provider example

DYLD_LIBRARY_PATH=target/debug LD_LIBRARY_PATH=target/debug \
  uv run --script crates/goose-sdk/examples/uniffi/provider.py

Kotlin provider example

Download JNA if it is not already present:

curl -sSL -o crates/goose-sdk/examples/uniffi/jna.jar \
  https://repo1.maven.org/maven2/net/java/dev/jna/jna/5.14.0/jna-5.14.0.jar

Compile and run:

kotlinc -cp crates/goose-sdk/examples/uniffi/jna.jar -nowarn \
  crates/goose-sdk/generated/io/aaif/goose/goose.kt \
  crates/goose-sdk/examples/uniffi/Provider.kt \
  -include-runtime -d crates/goose-sdk/examples/uniffi/provider.jar

java -Djna.library.path=target/debug \
  --enable-native-access=ALL-UNNAMED \
  -cp crates/goose-sdk/examples/uniffi/provider.jar:crates/goose-sdk/examples/uniffi/jna.jar \
  aaif.example.ProviderKt

On Linux, use the same command; LD_LIBRARY_PATH=target/debug can also be set if needed. On macOS, -Djna.library.path=target/debug is usually enough, but DYLD_LIBRARY_PATH=target/debug can also be set if JNA cannot find libgoose_sdk.dylib.