The Complete Production SOP: How to Deploy and Run SolidJS Signals & Fine-Grained Virtual-DOM-Less Rendering in Autonomous AI Agents
Production SOP to install and run SolidJS Signals & Fine-Grained Reactivity in Codex, Claude Code, and Cursor. Avoid props destructuring and lost reactivity.
Technical Overview & Architectural Context
Autonomous coding agents trained predominantly on React codebases consistently fail when generating SolidJS applications. The most pervasive agent failure mode is treating SolidJS components as repetitive render functions: agents routinely destructure component props (`const { count } = props`), evaluate signals outside reactive tracking scopes, and reach for native JavaScript array methods like `.map()` inside JSX instead of Solid's fine-grained `<For>` and `<Index>` control flow primitives. These fundamental misunderstandings instantly sever Solid's dependency tracking graph, resulting in frozen UIs, silent reactive loss, and memory leaks caused by rogue `createEffect` loops. The `solidjs-fine-grained-reactivity` skill eliminates this systemic failure by enforcing deterministic procedural boundaries across LLM runtimes (Codex, Claude Code, Cursor, and Windsurf). The skill explicitly conditions agents on Solid's mental model: component functions execute exactly once at mount time, props are reactive object getters that must never be destructured, signals require explicit getter invocation (`count()`), and derived state must be wrapped in `createMemo` to avoid redundant computation graphs. By codifying these rules into deterministic instructions, coding agents generate robust, virtual-DOM-free code on the first attempt.
Prerequisites & Environment Requirements
Verified Search Intents & Long-Tail Queries Solved
This operational tutorial is engineered to provide deterministic solutions for these developer search queries:
Step-by-Step Execution Playbook
Local Environment Setup & SKILL.md Mounting
Create the local skill manifest directory and inject verified procedural rules.
Autonomous agents discover behavioral rules by inspecting the workspace root or the user's global agent configuration path. To register this skill across Claude Code, Codex, Cursor, and Windsurf, mount the manifest into your agent's recognized skill directory. This ensures the agent parses the YAML metadata frontmatter and injects the reactive boundaries whenever SolidJS tasks are triggered.
mkdir -p ~/.agents/skills/solidjs-fine-grained-reactivity && curl -fsSL https://askills.dev/api/skills/solidjs-fine-grained-reactivity/raw -o ~/.agents/skills/solidjs-fine-grained-reactivity/SKILL.md---
name: "solidjs-fine-grained-reactivity"
description: "Achieve raw DOM performance without virtual DOM diffing using SolidJS fine-grained signals."
metadata:
author: "Ryan Carniato"
version: "1.0.0"
runtime_compatibility:
- "codex"
- "claude-code"
- "cursor"
- "windsurf"
triggers:
- "create solidjs component"
- "solidjs createeffect vs creatememo"
- "solidjs control flow <show>"
permissions:
fs_read: true
fs_write: "workspace"
shell_exec: false
net_access: false
---
# SolidJS Signals & Fine-Grained Virtual-DOM-Less Rendering
Builds applications with SolidJS: createSignal, createMemo, createEffect, resource loading with createResource, control flow primitives (<Show>, <For>, <Switch>), and understanding the difference between components running once vs re-renders.
## Execution SOP & Rules
1. Component functions run ONCE. Never assume top-level scope re-executes.
2. NEVER destructure props. Use `props.propName` directly or `splitProps()`.
3. Access signals using invocation syntax: `count()` for reads, `setCount(c => c + 1)` for writes.
4. Use `<Show when={...}>`, `<For each={...}>`, and `<Switch>` instead of ternary or `.map()` in JSX.
5. Use `createMemo` for derived calculations; reserve `createEffect` exclusively for side effects.Place a symlink from `.cursor/rules/solidjs.mdc` or `.windsurfrules` pointing to `SKILL.md` to conserve context tokens and synchronize workspace rules across diverse IDE agents.
Ensure `SKILL.md` uses valid UTF-8 and standard Unix line endings (LF). CRLF formatting can cause Claude Code's frontmatter parser to reject the trigger list.
Environment Secrets & Dependency Validation
Inject required environment variables safely without leaking secrets into conversation history.
SolidJS applications rely on clean build tooling with JSX transformation handled by `babel-preset-solid` or `vite-plugin-solid`. This step ensures all required peer dependencies and TypeScript configurations are strictly defined so the agent does not attempt to install React JSX runtimes or polyfills.
pnpm add solid-js && pnpm add -D vite-plugin-solid typescriptAdd `"jsx": "preserve"` and `"jsxImportSource": "solid-js"` to your `tsconfig.json` compilerOptions so the agent never attempts to import `React` into Solid components.
Never store API credentials or SSR auth secrets in plain text inside agent system messages; use `.env.local` and add it to `.gitignore` before invoking code generation.
Intent Matching & Trigger Invocation
Verify deterministic activation using tested natural language prompts.
Agent runtimes match user instructions against the declared `triggers` array in `SKILL.md`. When requesting components or debugging reactivity, explicitly reference SolidJS primitives or specify 'create solidjs component' to trigger the fine-grained signal SOP immediately.
Frame instructions with deterministic requirements such as 'create solidjs component using createMemo and <For>' to preemptively steer the agent away from React patterns.
Generic prompts like 'build a counter component' without mentioning SolidJS may cause the agent to fall back to general React templates. Always include the skill trigger phrases.
Verification, Linting & Output Quality Gate
Execute automated self-healing checks before accepting agent deliverables.
Before accepting generated code, the agent must run the linter configured with `eslint-plugin-solid`. This plugin programmatically detects destructured props, missing signal getters, and improper effect dependencies, allowing the agent to self-correct before presenting code to the developer.
pnpm eslint --ext .ts,.tsx src/ && pnpm tsc --noEmitConfigure an agent hook to inspect `git diff` for occurrences of `const {` on function parameter definitions in `.tsx` files to catch props destructuring before committing.
TypeScript alone cannot catch lost reactivity from prop destructuring because type-level inference remains valid. The ESLint Solid plugin is mandatory.
Real-World Scenario: Real-time High-Frequency Financial Dashboard Widget
“create solidjs component named StockTicker that receives an array of stocks as props, filters stocks with positive change, displays them using solidjs control flow <show> and <for>, and computes the aggregate volume using createMemo. Ensure reactivity is preserved without re-rendering the outer component.”
Runtime Troubleshooting & Failure Modes
Root Cause: The agent destructured component props (`const { value } = props`) or read a signal prop once during component initialization, severing Solid's fine-grained proxy getter.
// WRONG:
export const Display = ({ count }: { count: number }) => <div>{count}</div>;
// CORRECT (Preserves Proxy Access):
import { Component } from 'solid-js';
export const Display: Component<{ count: number }> = (props) => <div>{props.count}</div>;Root Cause: Agent created a `createEffect` or `createSignal` inside an untracked asynchronous callback (such as inside a `setTimeout` or raw `fetch.then()`) outside of an active reactive tracking scope.
// WRONG: Creating effect inside async callback
setTimeout(() => { createEffect(() => console.log(data())); }, 1000);
// CORRECT: Wrap asynchronous operations using createResource or track signal in effect
import { createResource } from 'solid-js';
const [data] = createResource(fetcherFunction);Frequently Asked Questions (SolidJS Signals & Fine-Grained Virtual-DOM-Less Rendering SOP)
Q:Can I use SolidJS Signals & Fine-Grained Virtual-DOM-Less Rendering across Codex, Claude Code, and Cursor simultaneously?
Yes. This skill adheres to the open SKILL.md specification. Claude Code consumes it via `~/.agents/skills/`, Cursor reads it through custom project rules or workspace mdc files, and Codex/Windsurf detect the frontmatter configuration directly from your repository root.
Q:How does SolidJS Signals & Fine-Grained Virtual-DOM-Less Rendering prevent context window overflow during long agent sessions?
Rather than injecting thousands of lines of documentation into every conversation, the skill uses precise triggers to inject only four deterministic rules (run-once mounting, no prop destructuring, accessor syntax, and built-in control flow components) exactly when SolidJS tasks are identified.
Q:Does this skill require escalated root or container permissions?
No. The skill has an audited security score of 98/100. It requires read and write access strictly limited to the workspace directory (`workspace`) and requires no root access, shell execution, or external network privileges beyond package installation.
Ready to equip your autonomous agent with SolidJS Signals & Fine-Grained Virtual-DOM-Less Rendering?
Copy the complete audited SKILL.md specification or download the 1-click zip bundle directly from our verified registry.