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Agent skill

Field Compiler

by n1m21n in n1m21n/Infinite

How Field source becomes running code: lexer/AST/typed IR (type + domain), domain inference, the three backends (VM, GLSL, sample register machine), error keep-last-working.

Custom licenceAuto-check passedGame Development

Install Field Compiler

skills CLI
$ npx skills add n1m21n/Infinite --skill field-compiler -a claude-code

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

GitHub CLI
$ gh skill install n1m21n/Infinite field-compiler --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/n1m21n/Infinite.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/field-compiler .claude/skills/field-compiler && 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
field-compiler
GitHub stars
268
Token cost
~6k tokens
SKILL.md length
2,975 words
Files
1
Skills in repo
56
Repo updated
First seen
Licence
Custom licence

At a glance

How Field source becomes running code: lexer/AST/typed IR (type + domain), domain inference, the three backends (VM, GLSL, sample register machine), error keep-last-working.

  • Works in 12 steps: Invariants → The pipeline → Token grammar → …
  • Building/reviewing any compiler stage
  • SKILL.md covers When to use (full scope), 0. Invariants, 1. The pipeline and 2. Token grammar, plus 9 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Field Compiler is an agent skill from n1m21n/Infinite. How Field source becomes running code: lexer/AST/typed IR (type + domain), domain inference, the three backends (VM, GLSL, sample register machine), error keep-last-working. Use when building/reviewing any compiler stage or backend, when a program infers the wrong domain, or when writing a prompt for compiler work.

Its SKILL.md is about 6k 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 Game Development, covering Shaders. The repository describes itself as: Infinite is a node-based audiovisual workstation — real-time GPU video compositing, procedural 3D geometry, modular synths, DSP, and VST3/AU plugin hosting.

When your agent uses it

  • Building/reviewing any compiler stage
  • A program infers the wrong domain
  • Writing a prompt for compiler work

Example prompts

  • “/field-compiler”

Workflow steps

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

  1. Invariants
  2. The pipeline
  3. Token grammar
  4. Numeric precision — a real regression risk
  5. The AST node set
  6. Domain inference as a dataflow fixpoint
  7. The three backends lower the same IR
  8. Error reporting and recovery — model it on FormulaNode
  9. What the front end must refuse
  10. Memory layout — check this before building the element backend
  11. Build order and what each step must not break
  12. Exit criterion for a compiler change

What it can do on your machine

Read from SKILL.md and the folder at commit 4e7ffe5. 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

    No scripts in the folder and no shell commands in SKILL.md (its code samples are glsl and cpp).

    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

Field Compiler loads about 6k tokens when it runs. Until then it costs about 83 tokens; SKILL.md has 2,975 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~83
When it runs · the whole SKILL.md, loaded when a task matches
~6k

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 2,975 words (~5,952 tokens).

“How Field source text becomes running code in Infinite — the lexer/AST/typed-IR pipeline, the token grammar, the AST node set, what the typed IR carries (type AND domain per node), domain inference as a dataflow fixpoint, the three backends (bytecode…”

— opening of SKILL.md by n1m21n, Custom licence
name
field-compiler

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/field-compiler of n1m21n/Infinite.

Open the folder on GitHubat commit 4e7ffe5

Compare with similar skills

Field Compiler 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.

Field Compiler compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Field Compiler this skilln1m21n/Infinite268—~6kAutomated safety check: PassCustom licence
PixijsRSamaium/CanvasEngine4012 repos~1.6kAutomated safety check: PassMIT
New ExperimentTresjs/tres3.8k—~782Automated safety check: PassMIT
Assets Shader List AllIvanMurzak/Unity-MCP4.4k—~435Automated safety check: PassApache-2.0
Handle Sdr Tonemap Lutclshortfuse/renodx4.5k—~7.3kAutomated safety check: PassMIT
Unreal Material and VFX Workflowflopperam/unreal-engine-mcp1.1k—~927Automated safety check: PassNone

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More from n1m21n/Infinite

All 56 skills in this repo

  • Audio Node UI

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  • Cable Logic Sweep

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  • CI Failure Triage

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  • Data Accuracy Sweep

    n1m21n/Infinite

    Sweep for data corruption along a patch chain: copy/paste and save/load drops, altering pass-throughs, stale caches, TextureRevision lies, fan-out memo breaks, bypass, out-of-unit modulation.

    268 GitHub stars~1.9k tokensUpdated yesterday
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  • Field Domains

    n1m21n/Infinite

    Field's domain transfer operators (reduce, map, implicit broadcast, resample, downsample): legality, cost, audio→geometry→pixel examples.

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  • Field Integration

    n1m21n/Infinite

    How a Field node joins Infinite: INode + IAudioSource/IGeometrySource, ParamRef, ParamMailbox, GLUtil::CompileProgram, Patch save/load grammar, undo.

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Categories

Questions about Field Compiler

What does Field Compiler do?

How Field source becomes running code: lexer/AST/typed IR (type + domain), domain inference, the three backends (VM, GLSL, sample register machine), error keep-last-working. Field Compiler is an agent skill from n1m21n/Infinite. How Field source becomes running code: lexer/AST/typed IR (type + domain), domain inference, the three backends (VM, GLSL, sample register machine), error keep-last-working.

When should I use Field Compiler?

Field Compiler fits situations like: building/reviewing any compiler stage; A program infers the wrong domain; writing a prompt for compiler work.

How do I install Field Compiler in Claude Code?

Run `npx skills add n1m21n/Infinite --skill field-compiler -a claude-code`. Or copy the skill folder (.claude/skills/field-compiler in n1m21n/Infinite) into .claude/skills/field-compiler in your project. Claude Code loads it when a task matches its description.

How do I install Field Compiler in Codex?

Run `npx skills add n1m21n/Infinite --skill field-compiler -a codex`. Or copy the skill folder (.claude/skills/field-compiler in n1m21n/Infinite) into .agents/skills/field-compiler in your project. Codex loads it when a task matches its description.

Can I use Field Compiler 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 n1m21n/Infinite --skill field-compiler -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/field-compiler, .gemini/skills/field-compiler, .github/skills/field-compiler and .opencode/skills/field-compiler in your project.

What does Field Compiler need to run?

SKILL.md names no scripts, command-line tools or credentials: Field Compiler is instructions for the agent only.

Does Field Compiler 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 Field Compiler 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 Field Compiler use?

Field Compiler 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 Field Compiler use?

About 6k tokens (SKILL.md is roughly 24k 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 Field Compiler?

Skills that share tags, products or a category with Field Compiler: Pixijs (RSamaium/CanvasEngine, 401 stars), New Experiment (Tresjs/tres, 3.8k stars), Assets Shader List All (IvanMurzak/Unity-MCP, 4.4k stars) and Handle Sdr Tonemap Lut (clshortfuse/renodx, 4.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Field Compiler?

n1m21n (a GitHub user) maintains it in n1m21n/Infinite, which has 268 GitHub stars. The repository holds 56 skills in this directory. The repository was last updated on October 8, 2026.

Source: n1m21n/Infinite on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.