Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/nikzlabs/shipit/server-architecturenpx skills add nikzlabs/shipit --skill server-architecturegit clone --depth 1 https://github.com/nikzlabs/shipitWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/nikzlabs/shipit/server-architecture)<a href="https://agentmods.dev/skills/nikzlabs/shipit/server-architecture"><img src="https://agentmods.dev/badge/skills/nikzlabs/shipit/server-architecture.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00059 | $0.04457 |
| Opus 5 | $0.00030 | $0.02228 |
| Sonnet 5 | $0.00012 | $0.00891 |
| Haiku 4.5 | $0.00006 | $0.00446 |
Grade A, and why
server-architecture scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 328 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Server Architecture
The server is a single Fastify process (the orchestrator) that handles HTTP, WebSocket, and SSE connections from the browser. It delegates session-scoped work to Docker containers running session workers.
Entry Point: buildApp()
src/server/orchestrator/index.ts exports buildApp(deps: AppDeps), which:
- Instantiates all managers (or accepts injected stubs from
deps) - Initializes global git config and agent detection
- Sets up Docker container manager (production) or skips it (tests)
- Creates the session runner registry with a factory
- Registers HTTP routes via
registerApiRoutes() - Registers WebSocket handler at
/ws/sessions/:id - Registers SSE endpoint at
/api/events - Registers preview proxy routes
- Sets up startup tasks (warm pool validation, orphan cleanup)
- Returns the Fastify instance without starting it
The function returns the app without calling listen(), so integration tests can use app.inject() without binding a port.
Dependency Injection
buildApp() accepts an AppDeps object where every field is optional. Production uses real implementations; tests supply mocks/stubs. This is the foundation of testability — integration tests never spawn real Docker containers, Claude CLI processes, or Vite servers.
Key injectable dependencies:
| Dependency | Type | Purpose |
|---|---|---|
createGitManager |
(dir) => GitManager |
Per-session git operations |
createRepoGit |
(dir) => RepoGit |
Bare cache + per-session local-clone ops |
sessionManager |
SessionManager |
Session metadata persistence |
authManager |
AuthManager |
Claude CLI OAuth |
githubAuthManager |
GitHubAuthManager |
GitHub token + API |
credentialStore |
CredentialStore |
Unified credentials |
agentFactory |
(agentId) => AgentProcess |
Agent process creation (test-only) |
runnerFactory |
SessionRunnerFactory |
Session runner creation |
sessionContainerManager |
SessionContainerManager |
Docker orchestration |
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday Changed 487c6e905f4f
- 5d ago First seen · 328 lines · 59 tokens per session scan A 0dce78e386ea
server-architecture is a skill published in the GitHub repository nikzlabs/shipit (6 stars, last pushed yesterday), licensed Apache-2.0. It adds 59 tokens to every session and 4,457 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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