# License Header Injector Plugin
Injects a language-appropriate license header into code outputs.
Hooks
- tool_post_invoke
- resource_post_fetch
Configuration (example)
```yaml
- name: "LicenseHeaderInjector"
kind: "plugins.license_header_injector.license_header_injector.LicenseHeaderInjectorPlugin"
hooks: ["tool_post_invoke", "resource_post_fetch"]
mode: "permissive"
priority: 185
config:
header_template: |
SPDX-License-Identifier: Apache-2.0
Copyright (c) 2025
languages: ["python", "javascript", "typescript", "go", "java", "c", "cpp", "shell"]
max_size_kb: 512
dedupe_marker: "SPDX-License-Identifier:"
```
Notes
- Uses simple comment prefixes/suffixes per language; defaults to `#` style if unknown.
- Skips if `dedupe_marker` already exists in the text.
