diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..a5490c2
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,54 @@
+stages:
+  - check
+  - build
+
+variables:
+  CARGO_TERM_COLOR: always
+  RUST_BACKTRACE: "1"
+
+cache:
+  key:
+    files:
+      - Cargo.lock
+    prefix: cargo
+  paths:
+    - target/
+
+fmt:
+  stage: check
+  image: rust:latest
+  script:
+    - rustup component add rustfmt
+    - cargo fmt --check
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+
+clippy:
+  stage: check
+  image: rust:latest
+  before_script:
+    - rustup component add clippy
+  script:
+    - cargo clippy --all-targets -- --deny warnings
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  allow_failure: true
+
+test:
+  stage: check
+  image: rust:latest
+  script:
+    - cargo test --locked
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+
+build:
+  stage: build
+  image: rust:latest
+  script:
+    - cargo build --release --locked
+  artifacts:
+    name: "model-radar-linux-x86_64"
+    paths:
+      - target/release/model-radar
+    expire_in: 30 days
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..b29a3e5
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2026 katR (oiupoyt)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+