Agent skill

Subspace Builds

Build and test Subspace across supported platforms and build systems.

Apache-2.0Auto-check passedBackend & APIs

Install Subspace Builds

skills CLI

$ npx skills add dallison/subspace --skill subspace-builds -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install dallison/subspace subspace-builds --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/dallison/subspace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.cursor/skills/subspace-builds .claude/skills/subspace-builds && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "subspace-builds" agent skill from https://github.com/dallison/subspace/tree/main/.cursor/skills/subspace-builds into .claude/skills/subspace-builds/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subspace-builds", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/dallison/subspace/tree/main/.cursor/skills/subspace-builds

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add dallison/subspace --skill subspace-builds -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install dallison/subspace subspace-builds --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/dallison/subspace.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.cursor/skills/subspace-builds .agents/skills/subspace-builds && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "subspace-builds" agent skill from https://github.com/dallison/subspace/tree/main/.cursor/skills/subspace-builds into .agents/skills/subspace-builds/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subspace-builds", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add dallison/subspace --skill subspace-builds -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install dallison/subspace subspace-builds --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/dallison/subspace.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.cursor/skills/subspace-builds .cursor/skills/subspace-builds && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "subspace-builds" agent skill from https://github.com/dallison/subspace/tree/main/.cursor/skills/subspace-builds into .cursor/skills/subspace-builds/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subspace-builds", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/dallison/subspace.git --path .cursor/skills/subspace-builds

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add dallison/subspace --skill subspace-builds -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install dallison/subspace subspace-builds --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/dallison/subspace.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.cursor/skills/subspace-builds .gemini/skills/subspace-builds && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "subspace-builds" agent skill from https://github.com/dallison/subspace/tree/main/.cursor/skills/subspace-builds into .gemini/skills/subspace-builds/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subspace-builds", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install dallison/subspace subspace-builds

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add dallison/subspace --skill subspace-builds -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/dallison/subspace.git skills-src && mkdir -p .github/skills && cp -r skills-src/.cursor/skills/subspace-builds .github/skills/subspace-builds && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "subspace-builds" agent skill from https://github.com/dallison/subspace/tree/main/.cursor/skills/subspace-builds into .github/skills/subspace-builds/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subspace-builds", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add dallison/subspace --skill subspace-builds -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install dallison/subspace subspace-builds --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/dallison/subspace.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.cursor/skills/subspace-builds .opencode/skills/subspace-builds && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "subspace-builds" agent skill from https://github.com/dallison/subspace/tree/main/.cursor/skills/subspace-builds into .opencode/skills/subspace-builds/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "subspace-builds", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: subspace-builds
GitHub stars: 104
Token cost: ~990 tokens
SKILL.md length: 222 words
Files: 1
Skills in repo: 2
Repo updated: Oct 6, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Build and test Subspace across supported platforms and build systems.

The user asks how to build
SKILL.md covers General Rules, Native Host Builds, Android With Bazel and Android With CMake, plus 3 more sections
Calls bazel, cmake and adb
Run CI-equivalent checks

What it does

Subspace Builds is an agent skill from dallison/subspace. Build and test Subspace across supported platforms and build systems. Use when the user asks how to build, test, cross-compile, run CI-equivalent checks, or work with Bazel, CMake, Android, Soong/Blueprint, AOSP, QNX, Linux, or macOS builds in this repository.

Its SKILL.md is about 990 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Backend & APIs, covering gRPC and Protobuf. It works with C++, Android, macOS and Linux. The licence is Apache-2.0.

When your agent uses it

The user asks how to build
Run CI-equivalent checks
Work with Bazel
Soong/Blueprint

Example prompts

“/subspace-builds”

What it can do on your machine

Read from SKILL.md and the folder at commit 0998ce5. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
- bazel
- cmake
- adb
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Subspace Builds loads about 990 tokens when it runs. Until then it costs about 69 tokens; SKILL.md has 222 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~69
When it runs · the whole SKILL.md, loaded when a task matches: ~990

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from dallison/subspace at commit 0998ce5, republished under its Apache-2.0 licence (© dallison). 222 words, ~990 tokens.

Download SKILL.mdSave it as .claude/skills/subspace-builds/SKILL.md (or your agent's skills folder).

name: subspace-builds
description: Build and test Subspace across supported platforms and build systems. Use when the user asks how to build, test, cross-compile, run CI-equivalent checks, or work with Bazel, CMake, Android, Soong/Blueprint, AOSP, QNX, Linux, or macOS builds in this repository.

Subspace Builds

General Rules

User-facing examples should use bazel; use bazelisk as a drop-in replacement if bazel is not available.
Prefer focused targets while iterating; use bazel test //... only when broad verification is needed.
Check .bazelrc, .github/workflows/ci.yml, and docs/android.md before changing platform build behavior.
Do not check in generated protobuf files.

Native Host Builds

Linux:

bash

CC=clang bazel build //...
bazel test //...

cmake -S . -B build/cmake-Debug -DCMAKE_BUILD_TYPE=Debug
cmake --build build/cmake-Debug --parallel
ctest --test-dir build/cmake-Debug --output-on-failure --timeout 300

macOS Apple Silicon:

bash

bazel build //... --config=macos_arm64
bazel test //... --config=macos_arm64

macOS Intel:

bash

bazel build //... --config=macos_x86_64
bazel test //... --config=macos_x86_64

Android With Bazel

Requires ANDROID_NDK_HOME.

bash

bazel build \
  //server:subspace_server \
  //client:client_test \
  //c_client:client_test \
  //plugins:nop_plugin.so \
  //plugins:split_buffer_free_test_plugin.so \
  //android/jni:libsubspace_jni.so \
  //android/java:subspace-java \
  //android/java:subspace-java-test \
  --config=android_arm64

Use --config=android_x86_64 for x86_64 emulators and GitHub CI. The emulator deployment and test flow is in .github/scripts/android-test.sh.

Android With CMake

Requires ANDROID_NDK_HOME. Build a host protoc first and pass it into the Android cross-compile so protobuf versions match:

bash

cmake -S . -B build/host-protoc -DCMAKE_BUILD_TYPE=Release
cmake --build build/host-protoc --target protoc --parallel

cmake -S . -B build/android \
  -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake \
  -DANDROID_ABI=arm64-v8a \
  -DANDROID_PLATFORM=android-28 \
  -DANDROID_STL=c++_shared \
  -DCMAKE_BUILD_TYPE=Release \
  -DPROTOC_EXECUTABLE="$PWD/build/host-protoc/_deps/protobuf-build/protoc"

cmake --build build/android --parallel

Use -DANDROID_ABI=x86_64 for x86_64 emulators and GitHub CI. The emulator deployment and test flow is in .github/scripts/cmake-android-test.sh.

Android With Soong/Blueprint

Soong requires a full AOSP checkout; GitHub-hosted runners do not provide one. Use a local AOSP tree or a self-hosted runner with AOSP already synced.

Place this repository at external/subspace, ensure external/coroutines and external/cpp_toolbelt are present, and copy their repository-provided Android.bp.example files to Android.bp.

Add to the product:

make

PRODUCT_SOONG_NAMESPACES += external/subspace
PRODUCT_PACKAGES += \
    subspace_server \
    libsubspace_client \
    libsubspace_jni \
    subspace-java \
    subspace_java_client_test

Build from AOSP root:

bash

source build/envsetup.sh
lunch <product>-userdebug

m external.subspace-subspace_server-soong \
  external.subspace-libsubspace_client-soong \
  external.subspace-libsubspace_jni-soong \
  external.subspace-subspace-java-soong \
  external.subspace-subspace_java_client_test-soong

Run the device-side Java integration test:

bash

adb shell subspace_java_client_test

QNX With Bazel

Requires the QNX SDP and QNX_SDP_PATH.

bash

bazel build //... --config=qnx_aarch64
bazel build //... --config=qnx_x86_64

If the default path in .bazelrc is wrong, set QNX_SDP_PATH in the environment or user-local user.bazelrc.

References

Android details: docs/android.md
General Bazel/CMake docs: README.md
CI build matrix: .github/workflows/ci.yml
Test runner rule: .cursor/rules/test-runner.mdc

Files

Just SKILL.md in .cursor/skills/subspace-builds of dallison/subspace.

Open the folder on GitHubat commit 0998ce5

Compare with similar skills

Subspace Builds next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Subspace Builds compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Subspace Builds this skilldallison/subspace	104	—	~990	Automated safety check: Pass	Apache-2.0	2 days ago
Xilinx SuiteQingquanYao/xilinx-skill	461	—	~1.5k	Automated safety check: Pass	None	5 mo ago
Rsid SDKrealsenseai/RealSenseID	122	—	~4.1k	Automated safety check: Pass	Apache-2.0	yesterday
Qq Farm Activity Protocol Recoveryxxxscarlxrd404/qq-farm-bot	133	—	~1.2k	Automated safety check: Pass	None	14 days ago
Compileapache/skywalking-nodejs	180	—	~1.3k	Automated safety check: Pass	Apache-2.0	22 days ago
Wally ReleaseRunanywhereAI/wally	1.6k	—	~1.3k	Automated safety check: Pass	MIT	today

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Questions about Subspace Builds

What does Subspace Builds do?

Build and test Subspace across supported platforms and build systems. Subspace Builds is an agent skill from dallison/subspace. Build and test Subspace across supported platforms and build systems.

When should I use Subspace Builds?

Subspace Builds fits situations like: the user asks how to build; run CI-equivalent checks; work with Bazel; soong/Blueprint.

How do I install Subspace Builds in Claude Code?

Run `npx skills add dallison/subspace --skill subspace-builds -a claude-code`. Or copy the skill folder (.cursor/skills/subspace-builds in dallison/subspace) into .claude/skills/subspace-builds in your project. Claude Code loads it when a task matches its description.

How do I install Subspace Builds in Codex?

Run `npx skills add dallison/subspace --skill subspace-builds -a codex`. Or copy the skill folder (.cursor/skills/subspace-builds in dallison/subspace) into .agents/skills/subspace-builds in your project. Codex loads it when a task matches its description.

Can I use Subspace Builds in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add dallison/subspace --skill subspace-builds -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/subspace-builds, .gemini/skills/subspace-builds, .github/skills/subspace-builds and .opencode/skills/subspace-builds in your project.

What does Subspace Builds need to run?

Going by SKILL.md and its folder, Subspace Builds needs the command-line tools its instructions call (bazel, cmake and adb).

Does Subspace Builds access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Subspace Builds safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Subspace Builds use?

Subspace Builds is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Subspace Builds use?

About 990 tokens (SKILL.md is roughly 4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Subspace Builds?

Skills that share tags, products or a category with Subspace Builds: Xilinx Suite (QingquanYao/xilinx-skill, 461 stars), Rsid SDK (realsenseai/RealSenseID, 122 stars), Qq Farm Activity Protocol Recovery (xxxscarlxrd404/qq-farm-bot, 133 stars) and Compile (apache/skywalking-nodejs, 180 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Subspace Builds?

dallison (a GitHub user) maintains it in dallison/subspace, which has 104 GitHub stars. The repository holds 2 skills in this directory. The repository was last updated on October 6, 2026.

Source: dallison/subspace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Subspace Builds

Install Subspace Builds

Facts

At a glance

What it does

When your agent uses it

Example prompts

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Subspace Builds

General Rules

Native Host Builds

Android With Bazel

Android With CMake

Android With Soong/Blueprint

QNX With Bazel

References

Files

Compare with similar skills

Similar skills

Xilinx Suite

Rsid SDK

Qq Farm Activity Protocol Recovery

Compile

Wally Release

Release Workflow

More from dallison/subspace

Subspace Clients

Questions about Subspace Builds

Install Subspace Builds

Facts

At a glance

What it does

When your agent uses it

Example prompts

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Subspace Builds

General Rules

Native Host Builds

Android With Bazel

Android With CMake

Android With Soong/Blueprint

QNX With Bazel

References

Files

Compare with similar skills

Similar skills

Xilinx Suite

Rsid SDK

Qq Farm Activity Protocol Recovery

Compile

Wally Release

Release Workflow

More from dallison/subspace

Subspace Clients

Related

Questions about Subspace Builds