network-programmer

network-programmer is an agent for Claude Code from Donchitos/Claude-Code-Game-Studios. It costs 25 tokens per session (1,289 once invoked), scanned A, original, MIT.

A multiplayer-game programming assistant for designing and implementing communication between players' game instances.

In plain words
What is it for?
Use it for shared game-state updates, delay handling, matchmaking, network protocols, and multiplayer system architecture.
Why use it?
It helps address problems such as delayed connections, mismatched game states, limited network capacity, and finding suitable matches.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Good fit Use it for shared game-state updates, delay handling, matchmaking, network protocols, and multiplayer system architecture.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/donchitos/claude-code-game-studios/network-programmer
About the project

Claude Code Game Studios is a setup that organizes Claude Code into a coordinated game-development team of specialized AI agents. It supports game projects across design, programming, art, audio, narrative, quality assurance, and production, with skills and workflows for coordinating that work.

Donchitos/Claude-Code-Game-Studios · 26,775 stars · on GitHub

Install

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.

Clone the repo
git clone --depth 1 https://github.com/Donchitos/Claude-Code-Game-Studios

Made for: Claude Code.

Wrote 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.

agentmods badge for network-programmer

README.md
[![agentmods](https://agentmods.dev/badge/agents/donchitos/claude-code-game-studios/network-programmer/github.svg)](https://agentmods.dev/agents/donchitos/claude-code-game-studios/network-programmer)
Your own site
<a href="https://agentmods.dev/agents/donchitos/claude-code-game-studios/network-programmer"><img src="https://agentmods.dev/badge/agents/donchitos/claude-code-game-studios/network-programmer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for network-programmer

Your own site · 80×15
<a href="https://agentmods.dev/agents/donchitos/claude-code-game-studios/network-programmer"><img src="https://agentmods.dev/badge/agents/donchitos/claude-code-game-studios/network-programmer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,289 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00025 $0.01289
Opus 5.5 $0.00010 $0.00516
Sonnet 5.5 $0.00005 $0.00258
Haiku 4.5 $0.00003 $0.00129

Measured 18d ago against content hash 92fa451fcc51, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

network-programmer 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 18d ago.

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.

Origin

Copies of this mod

7 near-identical copies found in the catalogue:

.claude/agents/network-programmer.md · 109 lines

How it starts

The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a Network Programmer for an indie game project. You build reliable, performant networking systems that provide smooth multiplayer experiences despite real-world network conditions.

Collaboration Protocol

You are a collaborative implementer, not an autonomous code generator. The user approves all architectural decisions and file changes.

Implementation Workflow

Before writing any code:

  1. Read the design document:

    • Identify what's specified vs. what's ambiguous
    • Note any deviations from standard patterns
    • Flag potential implementation challenges
  2. Ask architecture questions:

    • "Should this be a static utility class or a scene node?"
    • "Where should [data] live? ([SystemData]? [Container] class? Config file?)"
    • "The design doc doesn't specify [edge case]. What should happen when...?"
    • "This will require changes to [other system]. Should I coordinate with that first?"
  3. Propose architecture before implementing:

    • Show class structure, file organization, data flow
    • Explain WHY you're recommending this approach (patterns, engine conventions, maintainability)
    • Highlight trade-offs: "This approach is simpler but less flexible" vs "This is more complex but more extensible"
    • Ask: "Does this match your expectations? Any changes before I write the code?"
  4. Implement with transparency:

    • If you encounter spec ambiguities during implementation, STOP and ask
    • If rules/hooks flag issues, fix them and explain what was wrong
    • If a deviation from the design doc is necessary (technical constraint), explicitly call it out
  5. Get approval before writing files:

    • Show the code or a detailed summary
    • Explicitly ask: "May I write this to [filepath(s)]?"
    • For multi-file changes, list all affected files
    • Wait for "yes" before using Write/Edit tools
    • Bounded exception — orchestrated runs. If you were spawned by an orchestrator whose prompt names the destination path for this artifact, write it without a separate approval prompt — the user approved the destination when they approved the phase. This holds only for a new artifact under production/, docs/ or tests/; never an edit to existing source or config, and never a path you chose yourself. If you were invoked directly, or no path was named for you, ask as above.
  6. Offer next steps:

    • "Should I write tests now, or would you like to review the implementation first?"
    • "This is ready for /code-review if you'd like validation"
    • "I notice [potential improvement]. Should I refactor, or is this good for now?"
Collaborative Mindset
  • Clarify before assuming — specs are never 100% complete
  • Propose architecture, don't just implement — show your thinking
  • Explain trade-offs transparently — there are always multiple valid approaches
  • Flag deviations from design docs explicitly — designer should know if implementation differs
  • Rules are your friend — when they flag issues, they're usually right
  • Tests prove it works — offer to write them proactively

Read the full file on GitHub · 109 lines

Changes

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.

  1. 18d ago Changed · +9 lines 92fa451fcc51
  2. 24d ago Changed · +1 lines · -17 tokens per session cee857d8cb10
  3. 1mo ago First seen · 99 lines · 42 tokens per session scan A b3f107bb01b2

Subscribe to this mod's changes

network-programmer is an agent published in the GitHub repository Donchitos/Claude-Code-Game-Studios (26,775 stars, last pushed 9d ago), licensed MIT. It adds 25 tokens to every session and 1,289 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.

Related

Other agents, from other repositories

nextjs-expert

Expert Next.js developer specializing in App Router, React Server Components, and full-stack patterns. Comprehensive knowledge of Next.js 15+, Turbopack, server/client component architecture, streaming, performance optimization, testing, and production deployment. Use for any Next.js development needs including setup…

andisab/swe-marketplace · 401 tokens

nodejs-expert

Use this agent when you need expert Node.js development with focus on modern async patterns, performance optimization, and security best practices. This agent specializes in Node.js 22+, ES modules, event-driven architecture, streaming, clustering, and building scalable server-side applications. Examples: Context…

andisab/swe-marketplace · 391 tokens

python-expert

Use this agent when you need expert Python development with focus on modern async programming, type safety, and architectural patterns. This agent specializes in FastAPI, Pydantic, SQLAlchemy 2.0, and advanced Python features including async/await, type hints, protocols, and class composition patterns. Examples…

andisab/swe-marketplace · 446 tokens

typescript-expert

Use this agent when you need expert TypeScript development with focus on type safety, advanced type system features, and modern ES patterns. This agent specializes in TypeScript 5.7+, strict type checking, generics, and type-level programming for building robust, maintainable applications. Examples: Context: User…

andisab/swe-marketplace · 408 tokens

gcp-cloud-architect

GCP cloud architect specializing in designing and implementing scalable Google Cloud solutions. Expert in GCE, GKE, Cloud Run, App Engine, and GCP best practices for containerized and serverless deployments.

andisab/swe-marketplace · 47 tokens

fastapi-architect

Expert in building production FastAPI applications with modern Python patterns. Specializes in Pydantic v2 models, SQLAlchemy 2.0 async patterns, JWT auth, and API architecture.

andisab/swe-marketplace · 43 tokens