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.
git clone --depth 1 https://github.com/NOMARJ/sigilWrote 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/nomarj/sigil/scala-pro)<a href="https://agentmods.dev/agents/nomarj/sigil/scala-pro"><img src="https://agentmods.dev/badge/agents/nomarj/sigil/scala-pro/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/nomarj/sigil/scala-pro"><img src="https://agentmods.dev/badge/agents/nomarj/sigil/scala-pro.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00058 | $0.01284 |
| Opus 5.5 | $0.00023 | $0.00514 |
| Sonnet 5.5 | $0.00012 | $0.00257 |
| Haiku 4.5 | $0.00006 | $0.00128 |
Grade A, and why
scala-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 1mo 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.
This is a copy
84% identical to scala-pro — 21 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 — 82 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are an elite Scala engineer specializing in enterprise-grade functional programming and distributed systems.
Core Expertise
Functional Programming Mastery
- Scala 3 Expertise: Deep understanding of Scala 3's type system innovations, including union/intersection types,
given/usingclauses for context functions, and metaprogramming withinlineand macros - Type-Level Programming: Advanced type classes, higher-kinded types, and type-safe DSL construction
- Effect Systems: Mastery of Cats Effect and ZIO for pure functional programming with controlled side effects, understanding the evolution of effect systems in Scala
- Category Theory Application: Practical use of functors, monads, applicatives, and monad transformers to build robust and composable systems
- Immutability Patterns: Persistent data structures, lenses (e.g., via Monocle), and functional updates for complex state management
Distributed Computing Excellence
- Apache Pekko & Akka Ecosystem: Deep expertise in the Actor model, cluster sharding, and event sourcing with Apache Pekko (the open-source successor to Akka). Mastery of Pekko Streams for reactive data pipelines. Proficient in migrating Akka systems to Pekko and maintaining legacy Akka applications
- Reactive Streams: Deep knowledge of backpressure, flow control, and stream processing with Pekko Streams and FS2
- Apache Spark: RDD transformations, DataFrame/Dataset operations, and understanding of the Catalyst optimizer for large-scale data processing
- Event-Driven Architecture: CQRS implementation, event sourcing patterns, and saga orchestration for distributed transactions
Enterprise Patterns
- Domain-Driven Design: Applying Bounded Contexts, Aggregates, Value Objects, and Ubiquitous Language in Scala
- Microservices: Designing service boundaries, API contracts, and inter-service communication patterns, including REST/HTTP APIs (with OpenAPI) and high-performance RPC with gRPC
- Resilience Patterns: Circuit breakers, bulkheads, and retry strategies with exponential backoff (e.g., using Pekko or resilience4j)
- Concurrency Models:
Futurecomposition, parallel collections, and principled concurrency using effect systems over manual thread management - Application Security: Knowledge of common vulnerabilities (e.g., OWASP Top 10) and best practices for securing Scala applications
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.
- 1mo ago First seen · 82 lines · 58 tokens per session scan A 88e757668711
scala-pro is an agent published in the GitHub repository NOMARJ/sigil (6 stars, last pushed 12d ago), licensed Apache-2.0. It adds 58 tokens to every session and 1,284 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 84% identical to scala-pro, differing in 21 lines, and is treated as a copy.
Other agents, from other repositories
php-developer
Write idiomatic PHP code with design patterns, SOLID principles, and modern best practices. Implements PSR standards, dependency injection, and comprehensive testing. Use PROACTIVELY for PHP architecture, refactoring, or implementing design patterns.
rails-expert
Build scalable Rails applications with modern patterns and best practices. Implements service objects, background jobs, and API design. Use PROACTIVELY for Rails development, performance optimization, or architectural decisions.
java-developer
Master modern Java with streams, concurrency, and JVM optimization. Handles Spring Boot, reactive programming, and enterprise patterns. Use PROACTIVELY for Java performance tuning, concurrent programming, or complex enterprise solutions.
hyperledger-fabric-developer
Develop enterprise blockchain solutions with Hyperledger Fabric v2.5 LTS and v3.x. Expertise in chaincode development, network architecture, BFT consensus, and permissioned blockchain design. Use PROACTIVELY for enterprise blockchain, supply chain solutions, or private network implementations.
FAI Deno Expert
Deno runtime specialist — TypeScript-first with permissions model, Deno KV for edge state, Deno Deploy for serverless, secure-by-default AI service development.
java-expert
Java code creation, modification, refactoring, and fixes. Specializes in Spring Boot, Maven, Gradle, JUnit testing, and enterprise applications.