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Claude Code Mod Development Kits

Mod development kits help you build and inspect Claude Code mods during claude code plugin development. mod-maker finds prompts you repeat and turns them into mods, probe-ui draws interactive UI probes with toasts and panes, and roof-probe logs system prompt sections. Browse all 11.

Install a mod in three steps

  1. Update to Claude Code 2.1.287 or later.
  2. Open a mod below and copy its install command.
  3. Run it in a Claude Code session, then /reload-plugins.

Browse 11 Claude Code mods

lesson-cards

yonatangross 300Reads

Shows lesson hint cards under tool rows when tool calls match known patterns

Install steps Mod building kits

roof-probe

kagamiurayama 30Writes or runs

List Claude Code system prompt sections and reminder types into /tmp/roof-probe-log.json

Install steps Mod building kits

autotel

jagreehal 8Network

Record OpenTelemetry traces of every Claude Code hook and tool call

npm install autotel-claude-code
Logs & telemetry

mod-maker

charlie947 7Writes or runs

Find the prompts you repeat in Claude Code, then build a mod that runs them for you

claude plugin install mod-maker@charlie-free-mods
Mod building kits

probe-ui

ucsandman 24Writes or runs

Draw interactive UI probes in Claude Code with toasts, status, logs and panes

Install steps Mod building kits

mod-events

bendrucker 18Writes or runs

Write per-session JSONL event logs for mods in OpenTelemetry format

/plugin install mod-events --marketplace bendrucker/claude
Logs & telemetry

ruflo-plugin-creator

ruvnet 80.5kWrites or runs

Scaffold, validate and publish Claude Code plugins with the canonical plugin contract

/plugin install ruflo-plugin-creator@ruflo
Mod building kits

probe-runner

KilimcininKorOglu 12Writes or runs

Run live checks of plugins in a fresh Claude Code session in tmux

claude plugin install probe-runner@kilimcininkoroglu-mods
Mod building kits

self-command

KilimcininKorOglu 12Writes or runs

Lets the model run a slash command in its own session and read the output as the next prompt

claude plugin install self-command@kilimcininkoroglu-mods
Mod building kits

first-mod

wickedhardflip 0Draws only

Starter mod: toast on start, status line counts tool calls

Install steps Status lines & HUDs

No screenshot in the README. Red marks where it shows up.

Mod building kits

Ruflo Plugin Creator

ruvnet/ruflo · 80.5k stars · updated 1 Nov 2026

Scaffold, validate and publish Claude Code plugins with the canonical plugin contract

Scaffolds a complete Claude Code plugin directory: plugin.json, SKILL.md, commands, agents, an ADR-0001, and a smoke.sh script with at least 8 structural checks. It validates plugin format and warns about MCP tool drift, such as the non-existent `embeddings_embed` name and a `namespace` argument passed to agentdb tools. As a mod it adds `/creator-mod` with `status`, `reserved <path>` and `check <path>` verbs plus a status file the console reads.

Where you see it
The /creator-mod command runs at the prompt and answers locally, and it writes a status file that shows up in the console Mods section.
Good for
For developers who build, validate or publish their own Claude Code plugins and want a standard structure with an ADR, smoke test and namespace rules.
Know before you install
  • The CLI is pinned to @claude-flow/cli v3.6 major and minor.
  • Running the test suite from the plugin root also sweeps the scaffold template tests, so expect that one file to fail.
  • Paths containing '..' are refused by /creator-mod, and the mod spawns no processes and uses no network.
What it can access Writes or runs
  • Writes files
  • Reads files on your computer
From a static scan of the source at commit e580bbc, not a safety rating. Read the source before you install.

Install

/plugin marketplace add ruvnet/ruflo
/plugin install ruflo-plugin-creator@ruflo

From the README. Needs Claude Code 2.1.287 or later. Run /reload-plugins after installing.

View source on GitHub