Agentic Engineering 環境を構築する
takeharak
Gemma 4 がリリースされたので、 llama.cpp と OpenCode に Agent Client Protocol を利用して Zed で agentic engineering を試せる環境を構築した
今回の環境
TL;DR
llama.cpp のインストール
brew install llama.cpp
✔︎ JSON API cask.jws.json Downloaded 15.4MB/ 15.4MB
✔︎ JSON API formula.jws.json Downloaded 32.0MB/ 32.0MB
==> Fetching downloads for: llama.cpp
==> Installing llama.cpp
...
==> Installing llama.cpp
==> Pouring llama.cpp--8640.arm64_tahoe.bottle.tar.gz
🍺 /opt/homebrew/Cellar/llama.cpp/8640: 61 files, 144.2MB
==> Running `brew cleanup llama.cpp`...
Gemma 4 26B のサーバー構築
llama-server -hf ggml-org/gemma-4-26B-A4B-it-GGUF -c 16384
ggml_metal_device_init: tensor API disabled for pre-M5 and pre-A19 devices
ggml_metal_library_init: using embedded metal library
ggml_metal_library_init: loaded in 0.009 sec
...
srv init: init: chat template, thinking = 1
main: model loaded
main: server is listening on http://localhost:8080
main: starting the main loop...
srv update_slots: all slots are idle
open http://localhost:8080
opencode のインストール
brew install anomalyco/tap/opencode
==> Fetching downloads for: opencode
✔︎ Bottle Manifest pcre2 (10.47_1) Downloaded 11.7KB/ 11.7KB
✔︎ Bottle pcre2 (10.47_1) Downloaded 2.4MB/ 2.4MB
✔︎ Bottle Manifest ripgrep (15.1.0) Downloaded 8.8KB/ 8.8KB
✔︎ Bottle ripgrep (15.1.0) Downloaded 2.2MB/ 2.2MB
✔︎ Formula opencode (1.3.13) Verified 34.7MB/ 34.7MB
==> Installing opencode from anomalyco/tap
...
🍺 /opt/homebrew/Cellar/ripgrep/15.1.0: 14 files, 6.4MB
==> Installing anomalyco/tap/opencode
🍺 /opt/homebrew/Cellar/opencode/1.3.13: 4 files, 119.9MB, built in 3 seconds
==> Running `brew cleanup opencode`...
opencode の設定
// ~/.config/opencode/opencode.json
+ {
+ "$schema": "https://opencode.ai/config.json",
+ "provider": {
+ "llama-server": {
+ "npm": "@ai-sdk/openai-compatible",
+ "name": "llama-server",
+ "options": {
+ "baseURL": "http://localhost:8080/v1"
+ },
+ "models": {
+ "ggml-org/gemma-4-26B-A4B-it-GGUF": {
+ "name": "Gemma 4 26B"
+ }
+ }
+ }
+ }
+ }
opencode 実行
opencode ~/workspaces
Zed のインストール
brew install zed
✔︎ JSON API cask.jws.json Downloaded 15.4MB/ 15.4MB
✔︎ JSON API formula.jws.json Downloaded 32.0MB/ 32.0MB
==> Fetching downloads for: zed
...
==> Installing Cask zed
==> Moving App 'Zed.app' to '/Applications/Zed.app'
==> Linking Binary 'cli' to '/opt/homebrew/bin/zed'
🍺 zed was successfully installed!
Agent Client Protocol の設定
opencode acp
// ~/.config/zed/settings.json
+ {
+ "agent_servers": {
+ "opencode": {
+ "type": "registry"
+ }
+ }
+ }
Zed の実行
zed ~/workspaces
agent: new external agent thread
