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Agent skill

Lucidchart Local Dev Loop

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Run a fast, secretless local development loop for Lucid editor extensions and data connectors using official tooling.

MITAuto-check passedDevelopment

Install Lucidchart Local Dev Loop

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill lucidchart-local-dev-loop -a claude-code

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace lucidchart-local-dev-loop --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/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/lucidchart-local-dev-loop .claude/skills/lucidchart-local-dev-loop && 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
lucidchart-local-dev-loop
GitHub stars
2.8k
Token cost
~897 tokens
SKILL.md length
351 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Run a fast, secretless local development loop for Lucid editor extensions and data connectors using official tooling.

  • Works in 7 steps: Read repository instructions, manifest,… → Query installed command help and compare… → Select the narrowest loop: type/build,… → …
  • Debugging Lucid integrations
  • SKILL.md covers Overview, Prerequisites, Tool Discipline and Current Contract, plus 8 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Lucidchart Local Dev Loop is an agent skill from jeremylongshore/tons-of-skills-marketplace. Run a fast, secretless local development loop for Lucid editor extensions and data connectors using official tooling. Use when implementing or debugging Lucid integrations. Trigger with "run Lucid locally".

Its SKILL.md is about 900 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/official-docs.md`). Compatibility notes: Designed for Claude Code; developer-mode installation and any live source connection require approval from the project and data owners

It sits in Development. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Debugging Lucid integrations
  • With run Lucid locally

Example prompts

  • “run Lucid locally”
  • “/lucidchart-local-dev-loop”

Requirements

  • Compatibility (from SKILL.md): Designed for Claude Code; developer-mode installation and any live source connection require approval from the project and data owners
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, WebFetch, Write, Edit

Workflow steps

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

  1. Read repository instructions, manifest, package manager, lockfile, scripts, SDK versions, and test configuration.
  2. Query installed command help and compare it with current official CLI and SDK documentation.
  3. Select the narrowest loop: type/build, manifest validation, unit fixture, connector contract, or editor smoke test.
  4. Run the existing deterministic command before editing and preserve its receipt.
  5. Make one bounded change, rerun the narrow check, then run all affected local gates.
  6. For developer-mode testing, preview scopes, bundle identity, test document, and expected mutations before installation.
  7. Record command, duration, changed files, fixture digest, expected/actual result, and cleanup.

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. 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
    • Glob
    • Grep
    • WebFetch
    • Write
    • Edit

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    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.

  • Compatibility

    Designed for Claude Code; developer-mode installation and any live source connection require approval from the project and data owners

    From compatibility in the SKILL.md frontmatter.

Context cost

Lucidchart Local Dev Loop loads about 897 tokens when it runs, and up to ~1.1k if it reads all its reference files. Until then it costs about 58 tokens; SKILL.md has 351 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~58
When it runs · the whole SKILL.md, loaded when a task matches
~897
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.1k

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 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

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 351 words, ~897 tokens.

Download SKILL.mdSave it as .claude/skills/lucidchart-local-dev-loop/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
lucidchart-local-dev-loop
description
Run a fast, secretless local development loop for Lucid editor extensions and data connectors using official tooling. Use when implementing or debugging Lucid integrations. Trigger with "run Lucid locally".
allowed-tools
Read, Glob, Grep, WebFetch, Write, Edit
compatibility
Designed for Claude Code; developer-mode installation and any live source connection require approval from the project and data owners
argument-hint
[project-path] [test-focus]
version
1.8.0
author
Jeremy Longshore <jeremy@intentsolutions.io>
license
MIT
tags
saas, lucidchart, local-development, extension-sdk, testing
model
inherit
effort
medium

Lucid Local Development Loop

Overview

Establish a repeatable edit-build-test loop for an existing Lucid extension or connector, grounded in the installed project and official lucid-package tooling.

Prerequisites

  • A local project with lockfile, manifest, and documented runtime versions
  • Synthetic fixtures and no production credentials by default
  • A disposable Lucid developer test target when UI verification is needed

Tool Discipline

Use Read, Glob, and Grep to inspect the project, WebFetch for official CLI/SDK guidance, and Write or Edit only for scoped source, fixture, test, or local documentation changes.

Current Contract

Lucid maintains lucid-package and lucid-extension-sdk. Project scripts and installed CLI --help define the exact runnable commands; official guidance warns against guessing SDK types or pnpm argument syntax.

Authentication

Keep the default loop offline and fixture-driven. Developer-mode access uses a dedicated least-privilege identity; connector/source secrets remain in an approved local secret provider and never enter bundles or snapshots.

Instructions

  1. Read repository instructions, manifest, package manager, lockfile, scripts, SDK versions, and test configuration.
  2. Query installed command help and compare it with current official CLI and SDK documentation.
  3. Select the narrowest loop: type/build, manifest validation, unit fixture, connector contract, or editor smoke test.
  4. Run the existing deterministic command before editing and preserve its receipt.
  5. Make one bounded change, rerun the narrow check, then run all affected local gates.
  6. For developer-mode testing, preview scopes, bundle identity, test document, and expected mutations before installation.
  7. Record command, duration, changed files, fixture digest, expected/actual result, and cleanup.
Show full SKILL.md (106 more words)Show less

Approval Boundaries

Do not add dependencies, install into a Lucid account, contact a live source, or change registered application settings without approval.

Output

Return environment/version evidence, selected loop, commands, test receipts, changed files, developer-mode actions, cleanup, and remaining drift.

Error Handling

ConditionResponse
Project command and docs disagreeTrust installed help/project scripts, investigate version drift, and document it.
Test requires production dataReplace it with a representative synthetic fixture.
Developer installation mutates unexpected dataStop, capture evidence, and remove the test artifact if approved.

Example

text
focus=extension-build; package-manager=pnpm; fixture-sha256=...; narrow=pass; affected-gates=pass; live-data=no

Resources

Next Steps

Encode the proven commands in CI with the same pinned runtime, lockfile, and synthetic fixtures.

© jeremylongshore, 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 1 other file (references) in skills/.curated/lucidchart-local-dev-loop of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/official-docs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Lucidchart Local Dev Loop 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.

Lucidchart Local Dev Loop compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Lucidchart Local Dev Loop this skilljeremylongshore/tons-of-skills-marketplace2.8k—~897Automated safety check: PassMIT
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Finishing a Development Branchobra/superpowers297k5 repos~1.9kAutomated safety check: PassMIT
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PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Code Review ChecklistshareAI-lab/learn-claude-code78k4 repos~1.1kAutomated safety check: PassMIT

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Categories

Questions about Lucidchart Local Dev Loop

What does Lucidchart Local Dev Loop do?

Run a fast, secretless local development loop for Lucid editor extensions and data connectors using official tooling. Lucidchart Local Dev Loop is an agent skill from jeremylongshore/tons-of-skills-marketplace. Run a fast, secretless local development loop for Lucid editor extensions and data connectors using official tooling.

When should I use Lucidchart Local Dev Loop?

Lucidchart Local Dev Loop fits situations like: debugging Lucid integrations; with run Lucid locally.

How do I install Lucidchart Local Dev Loop in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill lucidchart-local-dev-loop -a claude-code`. Or copy the skill folder (skills/.curated/lucidchart-local-dev-loop in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/lucidchart-local-dev-loop in your project. Claude Code loads it when a task matches its description.

How do I install Lucidchart Local Dev Loop in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill lucidchart-local-dev-loop -a codex`. Or copy the skill folder (skills/.curated/lucidchart-local-dev-loop in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/lucidchart-local-dev-loop in your project. Codex loads it when a task matches its description.

Can I use Lucidchart Local Dev Loop 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 jeremylongshore/tons-of-skills-marketplace --skill lucidchart-local-dev-loop -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/lucidchart-local-dev-loop, .gemini/skills/lucidchart-local-dev-loop, .github/skills/lucidchart-local-dev-loop and .opencode/skills/lucidchart-local-dev-loop in your project.

What does Lucidchart Local Dev Loop need to run?

SKILL.md names no scripts, command-line tools or credentials: Lucidchart Local Dev Loop is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep, WebFetch, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code; developer-mode installation and any live source connection require approval from the project and data owners.

Does Lucidchart Local Dev Loop 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 Lucidchart Local Dev Loop 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 Lucidchart Local Dev Loop use?

Lucidchart Local Dev Loop is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Lucidchart Local Dev Loop use?

About 897 tokens (SKILL.md is roughly 3.6k 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 218 tokens, read only when the agent opens those files.

What are the alternatives to Lucidchart Local Dev Loop?

Skills that share tags, products or a category with Lucidchart Local Dev Loop: Vercel Composition Patterns (supabase/supabase, 111k stars), Finishing a Development Branch (obra/superpowers, 297k stars), Typescript Advanced Types (rolling-scopes/rsschool-app, 10k stars) and PR Babysitter (openinterpreter/openinterpreter, 69k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Lucidchart Local Dev Loop?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.