# Third-Party Notices Review licenses and provenance for runtime, optional, and development dependencies. `ruby_llm-ag_ui` is released under the MIT License. See [the MIT license in the repository](https://github.com/yorzi/ruby_llm-ag-ui/blob/main/LICENSE.txt). It is an unofficial community project. It is not affiliated with, endorsed by, or maintained by the RubyLLM maintainers or the AG-UI protocol maintainers. ## Runtime dependencies | Project | License | How this gem uses it | |---|---|---| | [RubyLLM](https://github.com/crmne/ruby_llm) | MIT | The agent loop this gem projects: `Chat#complete`, the streaming block, `before_tool_call`, `after_message`, approval state and cancellation. | | [ag-ui-protocol](https://github.com/ag-ui-protocol/ag-ui) (Ruby SDK, `~> 0.2.0`) | MIT | Event models, `BaseEvent`, the encoder and the event-type constants. | | [Zeitwerk](https://github.com/fxn/zeitwerk) | MIT | Autoloading the gem's own files. | | Ruby standard-library gems `cgi`, `resolv`, `uri`, `zlib` | Ruby or BSD-2-Clause | Patched CGI, DNS resolution, URL, and compression dependencies used by the runtime dependency chain. | The gem's direct runtime dependencies are `ruby_llm`, `ag-ui-protocol`, `cgi`, `resolv`, `uri`, and `zlib`. Zeitwerk arrives through RubyLLM and is used directly. ## Optional: Rails Rails is **not** a runtime dependency. When a host already has it, the adapter uses: | Project | License | |---|---| | [Rails](https://github.com/rails/rails) (`railties`, `actionpack`, `activerecord`) | MIT | | [SQLite3](https://github.com/sparklemotion/sqlite3-ruby) (development/test only) | BSD-3-Clause | ## Vendored file `spec/fixtures/schema/ag-ui-1.0.schema.json` is a verbatim copy of `docs/spec/1.0/schema.json` from the AG-UI repository at commit `89cedd3fd549feeee41e50e1d7c6d373e549241a`. - Upstream: <https://github.com/ag-ui-protocol/ag-ui/blob/89cedd3fd549feeee41e50e1d7c6d373e549241a/docs/spec/1.0/schema.json> - License: MIT (the AG-UI repository's `LICENSE` at the same commit) - SHA-256: `4b5c93226838a0e72d88e6c5df20633c686c49fcb75d9be2815c6cbf9e48e71a` - Provenance note: [the vendored schema README](https://github.com/yorzi/ruby_llm-ag-ui/blob/main/spec/fixtures/schema/README.md) It is used only by the test suite and is never served, re-published or modified. ## Development dependencies None of these are shipped to users. | Project | License | |---|---| | RSpec | MIT | | RuboCop, `rubocop-rake`, `rubocop-rspec` | MIT | | `json_schemer` | MIT | | WebMock | MIT | | SimpleCov | MIT | | dotenv | MIT | | Rake | MIT | | bundler-audit | GPL-3.0-or-later | ## What this gem does not include No code, templates, assets or schema from ToolViews, OpenUI, OddlyDock or any AG-UI client is bundled, copied or required. No provider SDK is vendored: RubyLLM supplies provider access, and this gem never talks to a provider directly. ## Names and trademarks "RubyLLM" and "AG-UI" are used only to describe what this gem extends. Neither project's name, logo or maintainers are used to imply endorsement. The gem is published as `ruby_llm-ag_ui` under the author's own name and namespace (`RubyLLM::AgUI`), and it does not define or reopen the top-level `AgUi` namespace owned by the `ag-ui` gem.

Third-Party Notices

Review licenses and provenance for runtime, optional, and development dependencies.

ruby_llm-ag_ui is released under the MIT License. See the MIT license in the repository.

It is an unofficial community project. It is not affiliated with, endorsed by, or maintained by the RubyLLM maintainers or the AG-UI protocol maintainers.

Runtime dependencies

Project	License	How this gem uses it
RubyLLM	MIT	The agent loop this gem projects: Chat#complete, the streaming block, before_tool_call, after_message, approval state and cancellation.
ag-ui-protocol (Ruby SDK, ~> 0.2.0)	MIT	Event models, BaseEvent, the encoder and the event-type constants.
Zeitwerk	MIT	Autoloading the gem’s own files.
Ruby standard-library gems cgi, resolv, uri, zlib	Ruby or BSD-2-Clause	Patched CGI, DNS resolution, URL, and compression dependencies used by the runtime dependency chain.

The gem’s direct runtime dependencies are ruby_llm, ag-ui-protocol, cgi, resolv, uri, and zlib. Zeitwerk arrives through RubyLLM and is used directly.

Optional: Rails

Rails is not a runtime dependency. When a host already has it, the adapter uses:

Project	License
Rails (railties, actionpack, activerecord)	MIT
SQLite3 (development/test only)	BSD-3-Clause

Vendored file

spec/fixtures/schema/ag-ui-1.0.schema.json is a verbatim copy of docs/spec/1.0/schema.json from the AG-UI repository at commit 89cedd3fd549feeee41e50e1d7c6d373e549241a.

• Upstream: https://github.com/ag-ui-protocol/ag-ui/blob/89cedd3fd549feeee41e50e1d7c6d373e549241a/docs/spec/1.0/schema.json
• License: MIT (the AG-UI repository’s LICENSE at the same commit)
• SHA-256: 4b5c93226838a0e72d88e6c5df20633c686c49fcb75d9be2815c6cbf9e48e71a
• Provenance note: the vendored schema README

It is used only by the test suite and is never served, re-published or modified.

Development dependencies

None of these are shipped to users.

Project	License
RSpec	MIT
RuboCop, rubocop-rake, rubocop-rspec	MIT
json_schemer	MIT
WebMock	MIT
SimpleCov	MIT
dotenv	MIT
Rake	MIT
bundler-audit	GPL-3.0-or-later

What this gem does not include

No code, templates, assets or schema from ToolViews, OpenUI, OddlyDock or any AG-UI client is bundled, copied or required. No provider SDK is vendored: RubyLLM supplies provider access, and this gem never talks to a provider directly.

Names and trademarks

“RubyLLM” and “AG-UI” are used only to describe what this gem extends. Neither project’s name, logo or maintainers are used to imply endorsement. The gem is published as ruby_llm-ag_ui under the author’s own name and namespace (RubyLLM::AgUI), and it does not define or reopen the top-level AgUi namespace owned by the ag-ui gem.