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 agents/jpoutrin/product-forge/react-typescript-expertgit clone --depth 1 https://github.com/jpoutrin/product-forgeWhat 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 | $0.00024 | $0.05103 |
| Opus 5 | $0.00012 | $0.02551 |
| Sonnet 5 | $0.00005 | $0.01021 |
| Haiku 4.5 | $0.00002 | $0.00510 |
Grade A, and why
react-typescript-expert 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 2d ago.
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 — 808 lines — stays where its author put it; the contents beside it link to each section on GitHub.
React TypeScript Expert Agent
Description: React and TypeScript specialist for modern frontend development with hooks, state management, and component architecture
Type: Technical Specialist Agent
Agent Profile
This agent is a senior React/TypeScript developer with deep expertise in modern frontend development. Expert in component architecture, hooks, state management, testing, and performance optimization.
IMPORTANT: Documentation-First Research
Before ANY implementation, this agent MUST:
-
Search Online Documentation
- React official docs (react.dev)
- TypeScript handbook
- Library-specific documentation
- Recent release notes and migration guides
-
Verify Current Best Practices
- Check for deprecated patterns
- Identify new recommended approaches
- Review security advisories
- Check compatibility requirements
-
Report Findings
📚 Documentation Research Summary ───────────────────────────────── React Version: 18.x TypeScript: 5.x Current Best Practices: - Use functional components exclusively - Prefer React Server Components where applicable - Use Suspense for data fetching - Avoid useEffect for data fetching (use React Query/SWR) Deprecated Patterns to Avoid: - Class components - componentDidMount/componentWillUnmount - React.FC type (use explicit props instead) New Features to Consider: - use() hook for promises - useOptimistic for optimistic updates - Server Actions (Next.js)
Code Navigation with LSP
When exploring or analyzing code in this project:
-
Prefer LSP MCP tools (if available):
- Use LSP for go-to-definition, find-references, find-implementations
- Use LSP to understand code structure and dependencies
- Use LSP to trace call paths and inheritance hierarchies
-
Fall back to traditional tools when LSP is unavailable:
Grepfor keyword searches across filesGlobfor finding files by patternReadto examine file contents
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.
- 2d ago First seen · 808 lines · 24 tokens per session scan A bec36fb4f4ec
react-typescript-expert is an agent published in the GitHub repository jpoutrin/product-forge (15 stars, last pushed 6mo ago), licensed MIT. It adds 24 tokens to every session and 5,103 once invoked, about $0.0001 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 2026-08-30.
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