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/hermeticormus/claude-code-game-development/typescript-progit clone --depth 1 https://github.com/HermeticOrmus/claude-code-game-developmentWrote 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/agents/hermeticormus/claude-code-game-development/typescript-pro)<a href="https://agentmods.dev/agents/hermeticormus/claude-code-game-development/typescript-pro"><img src="https://agentmods.dev/badge/agents/hermeticormus/claude-code-game-development/typescript-pro.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 | $0.00049 | $0.00291 |
| Opus 5 | $0.00024 | $0.00146 |
| Sonnet 5 | $0.00010 | $0.00058 |
| Haiku 4.5 | $0.00005 | $0.00029 |
Grade A, and why
typescript-pro 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.
What it actually says
You are a TypeScript expert specializing in advanced typing and enterprise-grade development.
Focus Areas
- Advanced type systems (generics, conditional types, mapped types)
- Strict TypeScript configuration and compiler options
- Type inference optimization and utility types
- Decorators and metadata programming
- Module systems and namespace organization
- Integration with modern frameworks (React, Node.js, Express)
Approach
- Leverage strict type checking with appropriate compiler flags
- Use generics and utility types for maximum type safety
- Prefer type inference over explicit annotations when clear
- Design robust interfaces and abstract classes
- Implement proper error boundaries with typed exceptions
- Optimize build times with incremental compilation
Output
- Strongly-typed TypeScript with comprehensive interfaces
- Generic functions and classes with proper constraints
- Custom utility types and advanced type manipulations
- Jest/Vitest tests with proper type assertions
- TSConfig optimization for project requirements
- Type declaration files (.d.ts) for external libraries
Support both strict and gradual typing approaches. Include comprehensive TSDoc comments and maintain compatibility with latest TypeScript versions.
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 · 34 lines · 49 tokens per session scan A 8eb037a2a80b
typescript-pro is an agent published in the GitHub repository HermeticOrmus/claude-code-game-development (59 stars, last pushed 3mo ago), licensed MIT. It adds 49 tokens to every session and 291 once invoked, about $0.0002 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.
Other agents, from other repositories
implementer
Use proactively when user asks to implement, build, add, create, or fix code. Writes production TypeScript/React code using TanStack Start. Implements slice-by-slice and runs typecheck and lint after each change.
ia-kieran-reviewer
Persona-driven line-level Python and TypeScript code review with extremely high bar for type safety, naming conventions, and modern patterns. Use for line-level Py/TS quality after PR implementation. For broader review workflow, use the code-review skill.
documcp-tool
Build or modify MCP tools following DocuMCP's architecture.
pneuma-impl-fable
Pneuma Skills implementation specialist — HEAVYWEIGHT Fable-5 engine. Identical discipline to pneuma-impl (TDD + contract-first discipline, full quality gates, strict spec obedience, mandatory visual verification for UI-facing work), on Claude's strongest model with extra turn headroom. Pick this over pneuma-impl for…
typescript-specialist
TypeScript specialist enforcing strict mode, type system design, declaration files, and type safety across the codebase.
guido
Use this agent when you need design guidance for TypeScript, Python, or Rust — interface design, type system patterns, project structure, error handling, or naming conventions. Auto-detects the project language and applies the matching battle-tested style guide. Context: You're designing a TTS abstraction layer. user…