Agent skill

Calcpad Highlighter Developer

by imartincei in imartincei/CalcpadCE

Expert developer for Calcpad.Highlighter - tokenization, linting, content resolution, and language tooling.

MITAuto-check: notesDevelopment

Install Calcpad Highlighter Developer

skills CLI
$ npx skills add imartincei/CalcpadCE --skill calcpad-highlighter-developer -a claude-code

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

GitHub CLI
$ gh skill install imartincei/CalcpadCE calcpad-highlighter-developer --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/imartincei/CalcpadCE.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/calcpad-highlighter-developer .claude/skills/calcpad-highlighter-developer && 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
calcpad-highlighter-developer
GitHub stars
110
Token cost
~1k tokens
SKILL.md length
327 words
Files
4
Skills in repo
6
Repo updated
First seen
Licence
MIT

At a glance

Expert developer for Calcpad.Highlighter - tokenization, linting, content resolution, and language tooling.

  • Works in 4 steps: Add to CalcpadBuiltIns.Functions set → Add signature to FunctionSignatures… → If returns vector/matrix, add to… → …
  • Working on linter validators
  • SKILL.md covers Core Capabilities, Reference Files, Solution Context and Processing Pipeline, plus 2 more sections
  • Calls dotnet

What it does

Calcpad Highlighter Developer is an agent skill from imartincei/CalcpadCE. Expert developer for Calcpad.Highlighter - tokenization, linting, content resolution, and language tooling. Use when working on linter validators, function signatures, type inference, tokenizer, or diagnostics.

Its SKILL.md is about 1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files (for example `reference/architecture.md`, `reference/extending.md` and `testing.md`).

It sits in Development, covering Linting and formatting and Natural language processing. The repository describes itself as: Calcpad Community Edition. The licence is MIT.

When your agent uses it

  • Working on linter validators
  • Function signatures

Example prompts

  • “/calcpad-highlighter-developer”

Requirements

  • Pre-approved tools (allowed-tools): Read, Write, Edit, Glob, Grep, Bash

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Add to CalcpadBuiltIns.Functions set
  2. Add signature to FunctionSignatures constructor (see reference/extending.md)
  3. If returns vector/matrix, add to TypeTracker sets
  4. Add tests (see testing.md)

What it can do on your machine

Read from SKILL.md and the folder at commit 0b20dba. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Write
    • Edit
    • Glob
    • Grep
    • Bash

    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

Calcpad Highlighter Developer loads about 1k tokens when it runs. Until then it costs about 60 tokens; SKILL.md has 327 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~60
When it runs · the whole SKILL.md, loaded when a task matches
~1k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Write, Edit, Glob, Grep, Bash

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 imartincei/CalcpadCE at commit 0b20dba, republished under its MIT licence (© imartincei). 327 words, ~1,012 tokens.

Download SKILL.mdSave it as .claude/skills/calcpad-highlighter-developer/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
calcpad-highlighter-developer
description
Expert developer for Calcpad.Highlighter - tokenization, linting, content resolution, and language tooling. Use when working on linter validators, function signatures, type inference, tokenizer, or diagnostics.
allowed-tools
Read, Write, Edit, Glob, Grep, Bash

Calcpad Highlighter Developer

Expert agent for developing the Calcpad.Highlighter library - tokenization, linting, content resolution, and language tooling.

You are an expert C# developer specializing in the Calcpad.Highlighter codebase. You understand the three-stage content resolution pipeline, the tokenizer architecture, the multi-stage linter system, and the type inference engine. You write idiomatic C# following the existing patterns in the codebase.

Core Capabilities

  • Implement new linter validators and diagnostics
  • Add function signatures for built-in functions
  • Extend the type system and type inference
  • Add tokenizer support for new syntax
  • Fix bugs in content resolution stages
  • Write xUnit tests and .cpd samples in Calcpad.Tests/Highlighter/

Reference Files

Load the reference file relevant to your task — don't read all up front.

When working on...Read
Directory tree, type system (CalcpadType/ParameterType/VariableInfo/FunctionSignature), error codes, TokenType, source mapping, syntaxreference/architecture.md
Adding function signatures, creating validators, extending type inferencereference/extending.md
Running tests, the xUnit fixture, .cpd sample folderstesting.md

Solution Context

Project Dependency Graph
Calcpad.Cli (Command Line)
├── Calcpad.Core (Math Engine)
├── Calcpad.OpenXml
└── PyCalcpad (API wrapper)
    ├── Calcpad.Core
    └── Calcpad.OpenXml

Calcpad.Server (Web API)
├── Calcpad.Core
└── Calcpad.Highlighter  ← YOU ARE HERE
Key Integration Points

With Calcpad.Core:

  • CalcpadBuiltIns.Functions must match functions in Core's MathParser
  • FunctionSignatures parameter counts must match Core implementations
  • Unit names in CalcpadBuiltIns.Units come from Core

With Calcpad.Server:

  • CalcpadController calls ContentResolver.GetStagedContent() and CalcpadLinter.Lint()
  • API returns LinterResult with diagnostics
  • Changes to result structure affect the API response

Processing Pipeline

Raw Source
    ↓
[Stage 1: Line Continuations] - Merges lines with \ continuation
    ↓ Stage1Result
[Stage 2: Includes + Macro Collection] - Resolves #include, collects macros
    ↓ Stage2Result
[Stage 3: Macro Expansion + Definitions] - Expands macros, builds TypeTracker
    ↓ Stage3Result (with TypeTracker)
    ├→ [CalcpadTokenizer] → TokenizerResult
    │                            ↓
    │                    [TokenizedLineProvider]
    │
    └→ [CalcpadLinter]
        ├→ Stage1Context + IncludeValidator
        ├→ Stage2Context + MacroValidator
        └→ Stage3Context + 5 Stage3 Validators
            └→ LinterResult (Diagnostics)

Common Patterns

Adding a New Built-in Function
  1. Add to CalcpadBuiltIns.Functions set
  2. Add signature to FunctionSignatures constructor (see reference/extending.md)
  3. If returns vector/matrix, add to TypeTracker sets
  4. Add tests (see testing.md)
Adding a New Diagnostic
  1. Define error code in ErrorCodes.cs (see code scheme in reference/architecture.md)
  2. Implement check in appropriate validator (see reference/extending.md)
  3. Add a case to a .cpd sample in Calcpad.Tests/Highlighter/errors/
  4. Run dotnet test Calcpad.Tests/Calcpad.Tests.csproj to verify

Workflow

  1. Understand the Task: Read relevant existing code first
  2. Locate Files: Use Glob/Grep to find related implementations
  3. Load the relevant reference file for architecture, extension recipes, or testing
  4. Follow Patterns: Match existing code style and patterns
  5. Implement: Make targeted changes
  6. Test: Run dotnet test Calcpad.Tests/Calcpad.Tests.csproj to verify

© imartincei, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files in .claude/skills/calcpad-highlighter-developer of imartincei/CalcpadCE.

  • SKILL.md
  • reference/architecture.md
  • reference/extending.md
  • testing.md

Open the folder on GitHubat commit 0b20dba

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Categories

Questions about Calcpad Highlighter Developer

What does Calcpad Highlighter Developer do?

Expert developer for Calcpad.Highlighter - tokenization, linting, content resolution, and language tooling. Calcpad Highlighter Developer is an agent skill from imartincei/CalcpadCE.Highlighter - tokenization, linting, content resolution, and language tooling.

When should I use Calcpad Highlighter Developer?

Calcpad Highlighter Developer fits situations like: working on linter validators; function signatures.

How do I install Calcpad Highlighter Developer in Claude Code?

Run `npx skills add imartincei/CalcpadCE --skill calcpad-highlighter-developer -a claude-code`. Or copy the skill folder (.claude/skills/calcpad-highlighter-developer in imartincei/CalcpadCE) into .claude/skills/calcpad-highlighter-developer in your project. Claude Code loads it when a task matches its description.

How do I install Calcpad Highlighter Developer in Codex?

Run `npx skills add imartincei/CalcpadCE --skill calcpad-highlighter-developer -a codex`. Or copy the skill folder (.claude/skills/calcpad-highlighter-developer in imartincei/CalcpadCE) into .agents/skills/calcpad-highlighter-developer in your project. Codex loads it when a task matches its description.

Can I use Calcpad Highlighter Developer 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 imartincei/CalcpadCE --skill calcpad-highlighter-developer -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/calcpad-highlighter-developer, .gemini/skills/calcpad-highlighter-developer, .github/skills/calcpad-highlighter-developer and .opencode/skills/calcpad-highlighter-developer in your project.

What does Calcpad Highlighter Developer need to run?

Going by SKILL.md and its folder, Calcpad Highlighter Developer needs the command-line tools its instructions call (dotnet). Its frontmatter pre-approves these tools: Read, Write, Edit, Glob, Grep, Bash.

Does Calcpad Highlighter Developer 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 Calcpad Highlighter Developer safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Calcpad Highlighter Developer use?

Calcpad Highlighter Developer is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Calcpad Highlighter Developer use?

About 1k 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 Calcpad Highlighter Developer?

Skills that share tags, products or a category with Calcpad Highlighter Developer: Minimizing Ty Ecosystem Changes (astral-sh/ruff, 50k stars), Install Anti-Slop Oxlint Rules (dmmulroy/anti-slop, 5.4k stars), Babysit PR To Pass CI (sgl-project/sglang, 37k stars) and Rust Best Practices (farm-fe/farm, 5.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Calcpad Highlighter Developer?

imartincei (a GitHub user) maintains it in imartincei/CalcpadCE, which has 110 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on October 8, 2026.

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