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Agent skill

Fantasy Framework Development Guide

by qq362946 in qq362946/Fantasy

Development and review guide for the Fantasy C# distributed game server framework: ECS, FTask, routing, service discovery, config and databases.

Custom licenceAuto-check passedGame Development

Install Fantasy Framework Development Guide

skills CLI
$ npx skills add qq362946/Fantasy --skill fantasy-net -a claude-code

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

GitHub CLI
$ gh skill install qq362946/Fantasy fantasy-net --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/qq362946/Fantasy.git skills-src && mkdir -p .claude/skills && cp -r skills-src/Skills/fantasy-net .claude/skills/fantasy-net && 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/

Facts

Skill name
fantasy-net
GitHub stars
1.4k
Token cost
~5.8k tokens
SKILL.md length
2,398 words
Files
99 (incl. references)
Skills in repo
1
Repo updated
First seen
Licence
Custom licence

At a glance

Development and review guide for the Fantasy C# distributed game server framework: ECS, FTask, routing, service discovery, config and databases.

  • Works in 4 steps: Think Before Coding → Simplicity First → Surgical Changes → …
  • Writing Fantasy server code or Unity client code in C#
  • SKILL.md covers Core Principles and Reference File Navigation
  • Calls dotnet

What it does

Fantasy is described as a high-performance C# distributed game server framework built on an ECS architecture, with FTask for async work. The skill states its technical rules: use FTask instead of Task, keep entity data apart from handler and system logic, name component extension classes after the component plus System, rely on source generators for registration instead of editing generated files, seal entity, component and handler classes, use file-scoped namespaces, return error codes rather than throwing, and decouple modules through events.

It also covers Control Center and service discovery routing, including taking a Scene offline before a planned shutdown and keeping account-to-node affinity in business storage. Behavior guidelines start with thinking before coding: state assumptions, present alternatives and ask when something is unclear. Reference folders cover config, databases such as MongoDB, ECS entities, lifecycle, object pools, scenes and subscenes, along with checks for review and compliance.

When your agent uses it

  • Writing Fantasy server code or Unity client code in C#
  • Reviewing code for compliance with Fantasy conventions
  • Setting up Scene routing and service discovery with Control Center
  • Designing ECS entities, components and systems
  • Troubleshooting config, database access or network handlers

Example prompts

  • “Write a player health component and its System class following Fantasy conventions.”
  • “Review this handler for FTask misuse and exceptions thrown from business logic.”
  • “How should I shut down a Scene gracefully when service discovery is enabled?”

Requirements

  • A C# project using Fantasy or Fantasy.Unity

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Think Before Coding
  2. Simplicity First
  3. Surgical Changes
  4. Goal-Driven Execution

What it can do on your machine

Read from SKILL.md and the folder at commit 7c69dd5. 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:

    • dotnet

    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

Fantasy Framework Development Guide loads about 5.8k tokens when it runs, and up to ~72k if it reads all its reference files. Until then it costs about 212 tokens; SKILL.md has 2,398 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~212
When it runs · the whole SKILL.md, loaded when a task matches
~5.8k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~72k

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 2,398 words (~5,850 tokens).

“Fantasy is a high-performance C# distributed game server framework based on ECS architecture, using FTask for async operations.”

— opening of SKILL.md by qq362946, Custom licence
name
fantasy-net

Read the full SKILL.md on GitHub

Files

SKILL.md and 98 other files (references) in Skills/fantasy-net of qq362946/Fantasy.

  • SKILL.md
  • REFERENCE_GUIDELINES.md
  • references/config-check.md
  • references/config-scenarios.md
  • references/config.md
  • references/database/best-practices.md
  • references/database/database-check.md
  • references/database/index.md
  • references/database/mongodb.md
  • references/database/separate-table.md
  • references/ecs/ecs-check.md
  • references/ecs/entity-definition.md
  • references/ecs/entity-operations.md
  • references/ecs/index.md
  • references/ecs/lifecycle.md
  • references/ecs/object-pool.md
  • references/ecs/scene.md
  • references/ecs/subscene.md
  • … and 81 more

Open the folder on GitHubat commit 7c69dd5

Compare with similar skills

Fantasy Framework Development Guide 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.

Fantasy Framework Development Guide compared with similar skills
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Unity Version SplitIvanMurzak/Unity-MCP4.4k—~1.1kAutomated safety check: PassApache-2.0
Game DeveloperJeffallan/claude-skills12k—~1.5kAutomated safety check: PassMIT

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Works with

Categories

Questions about Fantasy Framework Development Guide

What does Fantasy Framework Development Guide do?

Development and review guide for the Fantasy C# distributed game server framework: ECS, FTask, routing, service discovery, config and databases. Fantasy is described as a high-performance C# distributed game server framework built on an ECS architecture, with FTask for async work. The skill states its technical rules: use FTask instead of Task, keep entity data apart from handler and system logic, name component extension classes after the component plus System, rely on source generators for registration instead of editing generated files, seal entity, component and handler classes, use file-scoped namespaces, return error codes rather than throwing, and decouple modules through events.

When should I use Fantasy Framework Development Guide?

Fantasy Framework Development Guide fits situations like: writing Fantasy server code or Unity client code in C#; reviewing code for compliance with Fantasy conventions; setting up Scene routing and service discovery with Control Center; designing ECS entities, components and systems.

How do I install Fantasy Framework Development Guide in Claude Code?

Run `npx skills add qq362946/Fantasy --skill fantasy-net -a claude-code`. Or copy the skill folder (Skills/fantasy-net in qq362946/Fantasy) into .claude/skills/fantasy-net in your project. Claude Code loads it when a task matches its description.

How do I install Fantasy Framework Development Guide in Codex?

Run `npx skills add qq362946/Fantasy --skill fantasy-net -a codex`. Or copy the skill folder (Skills/fantasy-net in qq362946/Fantasy) into .agents/skills/fantasy-net in your project. Codex loads it when a task matches its description.

Can I use Fantasy Framework Development Guide 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 qq362946/Fantasy --skill fantasy-net -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/fantasy-net, .gemini/skills/fantasy-net, .github/skills/fantasy-net and .opencode/skills/fantasy-net in your project.

What does Fantasy Framework Development Guide need to run?

Going by SKILL.md and its folder, Fantasy Framework Development Guide needs the command-line tools its instructions call (dotnet). Our summary lists: A C# project using Fantasy or Fantasy.Unity.

Does Fantasy Framework Development Guide 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 Fantasy Framework Development Guide 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 Fantasy Framework Development Guide use?

Fantasy Framework Development Guide has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Fantasy Framework Development Guide use?

About 5.8k tokens (SKILL.md is roughly 23k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 67k tokens, read only when the agent opens those files.

What are the alternatives to Fantasy Framework Development Guide?

Skills that share tags, products or a category with Fantasy Framework Development Guide: Unity (ericrisco/rsc-harness, 174 stars), Validate Gsdk (PlayFab/gsdk, 170 stars), Unity Plugin (TomLeeLive/openclaw-unity-plugin, 107 stars) and Unity Version Split (IvanMurzak/Unity-MCP, 4.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Fantasy Framework Development Guide?

qq362946 (a GitHub user) maintains it in qq362946/Fantasy, which has 1,448 GitHub stars. The repository was last updated on October 9, 2026.

Source: qq362946/Fantasy on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.