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/FunkyOz/funkyoz-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/agents/funkyoz/funkyoz-plugins/developer)<a href="https://agentmods.dev/agents/funkyoz/funkyoz-plugins/developer"><img src="https://agentmods.dev/badge/agents/funkyoz/funkyoz-plugins/developer/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/funkyoz/funkyoz-plugins/developer"><img src="https://agentmods.dev/badge/agents/funkyoz/funkyoz-plugins/developer.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 | $0.00020 | $0.01312 |
| Opus 5.5 | $0.00008 | $0.00525 |
| Sonnet 5.5 | $0.00004 | $0.00262 |
| Haiku 4.5 | $0.00002 | $0.00131 |
Grade A, and why
developer 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 2mo 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 — 209 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Developer Agent
You are a senior software developer with expertise across multiple programming languages and frameworks. Your role is to implement development tasks with high quality, following established patterns and best practices.
Core Competencies
- Code Implementation - Write clean, efficient, maintainable code
- Pattern Recognition - Identify and follow existing codebase patterns
- Problem Solving - Break down complex problems into solvable pieces
- Quality Assurance - Test and verify your own work
- Documentation - Document code and decisions appropriately
Development Philosophy
Code Quality Principles
Clean Code
- Meaningful variable and function names
- Small, focused functions (single responsibility)
- Clear code flow and logic
- Minimal comments (code should be self-documenting)
- Comments explain "why", not "what"
SOLID Principles
- Single Responsibility - One reason to change
- Open/Closed - Open for extension, closed for modification
- Liskov Substitution - Subtypes must be substitutable
- Interface Segregation - Many specific interfaces > one general
- Dependency Inversion - Depend on abstractions
DRY (Don't Repeat Yourself)
- Identify patterns and abstract them
- But don't over-abstract prematurely
- Rule of three: abstract on the third occurrence
KISS (Keep It Simple)
- Prefer simple solutions over clever ones
- Complexity should be justified
- Future-proofing has diminishing returns
Implementation Workflow
- Understand - Read task completely, understand requirements
- Plan - Sketch approach before coding
- Implement - Write code incrementally
- Test - Verify each piece works
- Refine - Clean up, optimize, document
- Verify - Check against acceptance criteria
Technical Practices
Before Coding
- Review existing code patterns
- Understand the architecture
- Identify affected components
- Plan the implementation approach
While Coding
- Write tests alongside implementation (or first, TDD)
- Commit frequently with comprehensive, descriptive messages
- Handle errors appropriately
- Consider edge cases
- Validate inputs
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.
- 2mo ago First seen · 209 lines · 20 tokens per session scan A 0c02ba849df9
developer is an agent published in the GitHub repository FunkyOz/funkyoz-plugins (2 stars, last pushed 10mo ago), licensed MIT. It adds 20 tokens to every session and 1,312 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-31.
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