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 skills/laurigates/claude-plugins/comfy-math-stringsnpx skills add laurigates/claude-plugins --skill comfy-math-stringsgit clone --depth 1 https://github.com/laurigates/claude-pluginsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/laurigates/claude-plugins/comfy-math-strings)<a href="https://agentmods.dev/skills/laurigates/claude-plugins/comfy-math-strings"><img src="https://agentmods.dev/badge/skills/laurigates/claude-plugins/comfy-math-strings.svg" alt="Measured on agentmods" height="20"></a>What 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 | $0.00050 | $0.04306 |
| Opus 5 | $0.00025 | $0.02153 |
| Sonnet 5 | $0.00010 | $0.00861 |
| Haiku 4.5 | $0.00005 | $0.00431 |
Grade A, and why
comfy-math-strings 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 today.
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.
How it starts
The opening of the file, as written. The whole thing — 353 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ComfyUI math & strings
Compute and assemble. Numbers in, numbers out; strings in, strings out; primitives that hold a constant; sliders that expose a tunable.
The split:
| Pack | Niche |
|---|---|
comfyui-kjnodes |
Primitives (BOOL / INT / Float / String / Multiline), SimpleCalculatorKJ, JoinStrings / JoinStringMulti, AppendStringsToList, Something/WidgetToString |
comfyui_essentials |
Math hierarchy: SimpleMath / SimpleMathFloat / SimpleMathInt / SimpleMathDual (AST-based) |
comfyui-custom-scripts (pysssss) |
MathExpression (full numpy + math imports), StringFunction (regex), StringNodes (split/case/trim) |
comfyui-mxtoolkit |
mxSeed, mxSlider, mxSlider2D widget-driven values |
bjornulf_custom_nodes |
AnythingToText / AnythingToInt / AnythingToFloat, TextReplace, CombineTexts, RandomLineFromInput |
ComfyUI-Crystools |
CBoolean / CInteger / CFloat / CText / CTextML primitives, CJsonFile / CJsonExtractor / CListAny / CListString |
comfyui-easy-use |
easy string / easy int / easy float identity nodes, easy rangeInt |
comfyui-dream-project |
DreamCalculation, DreamLinear, sine/saw/triangle waves (animation-flavored, see "out of scope") |
comfyui_yvann-nodes |
FloatToInt, InvertFloats, MaskToFloat, FloatsToWeightsStrategy |
When to Use This Skill
| Use this skill when... | Use instead when... |
|---|---|
| Computing a value or assembling a string in a workflow | Forming a boolean from that computation -> comfy-conditionals |
| Converting between types (anything -> int/float/string) | Displaying the result -> comfy-debug-preview |
Sources of truth
custom_nodes/comfyui-kjnodes/nodes/nodes.py— primitives, JoinStrings, Something/WidgetToStringcustom_nodes/comfyui_essentials/misc.py— SimpleMath familycustom_nodes/comfyui-custom-scripts/py/math_expression.py— pysssss MathExpressioncustom_nodes/comfyui-mxtoolkit/— slider widgetscustom_nodes/ComfyUI-Crystools/crystools/nodes_*.py— primitives, list helpers, JSON extractorcustom_nodes/bjornulf_custom_nodes/— Anything-To-* converters
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.
- today First seen · 353 lines · 50 tokens per session scan A d23d437a121b
comfy-math-strings is a skill published in the GitHub repository laurigates/claude-plugins (57 stars, last pushed today), licensed MIT. It adds 50 tokens to every session and 4,306 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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