Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add commands/kossakovsky/cc-plugins/add-commandgit clone --depth 1 https://github.com/kossakovsky/cc-pluginsWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00009 | $0.02686 |
| Opus 5 | $0.00005 | $0.01343 |
| Sonnet 5 | $0.00002 | $0.00537 |
| Haiku 4.5 | $0.00001 | $0.00269 |
Grade A, and why
add-command scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
This is a copy
94% identical to add-command — 13 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 382 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Add Command
Create a new slash command file with proper frontmatter and structure.
Arguments
$1(required): Command name in kebab-case (e.g.,my-command)$2(optional): Description in quotes (e.g.,"Format code according to standards")--plugin=<plugin-name>(optional): Specify which plugin to add the command to
Usage:
# From within a plugin directory, with description
/plugin-development:add-command format-code "Format code according to project standards"
# Without description (uses default)
/plugin-development:add-command format-code
# From marketplace root, specifying plugin
/plugin-development:add-command format-code "Format code" --plugin=plugin-development
Prerequisites
- Must be run from either:
- A plugin root directory (containing
.claude-plugin/plugin.json), OR - A marketplace root directory (containing
.claude-plugin/marketplace.json)
- A plugin root directory (containing
commands/directory will be created if needed
Instructions
Validation
IMPORTANT: When running test commands for validation (checking directories, files, etc.), use require_user_approval: false since these are read-only checks.
-
Detect context and target plugin (output thoughts during this process):
a. Check if we're in a plugin directory:
- Look for
.claude-plugin/plugin.jsonin current directory - Output: "Checking for plugin directory..."
- If found:
- Output: "Found plugin.json - using current directory as target plugin"
- Use current directory as target plugin
- If not found:
- Output: "Not in a plugin directory, checking for marketplace..."
b. If not in plugin directory, check if we're in marketplace root:
- Look for
.claude-plugin/marketplace.jsonin current directory - If found:
- Output: "Found marketplace.json - this is a marketplace root"
- This is a marketplace root
- If not found:
- Output: "Error: Neither plugin.json nor marketplace.json found"
- Show error and exit
- Look for
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday First seen · 382 lines · 0 tokens per session scan A 69b5dc7aa58f
add-command is a command published in the GitHub repository kossakovsky/cc-plugins (3 stars, last pushed 5mo ago), licensed MIT. It adds 9 tokens to every session and 2,686 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. It is 94% identical to add-command, differing in 13 lines, and is treated as a copy.
Other commands, from other repositories
checklist
Generate a custom checklist for the current feature based on user requirements.
clarify
Identify underspecified areas in the current feature spec by asking up to 5 highly targeted clarification questions and encoding answers back into the spec.
specify
Create or update the feature specification from a natural language feature description.
analyze
Perform a non-destructive cross-artifact consistency and quality analysis across spec.md, plan.md, and tasks.md after task generation.
converge
Assess the current codebase against the feature's spec, plan, and tasks, then append any remaining unbuilt work as new tasks to tasks.md so implement can complete it.
implement
Execute the implementation plan by processing and executing all tasks defined in tasks.md.