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/jhonatanrian/gemini-simplify-extension/abstractiongit clone --depth 1 https://github.com/JhonatanRian/gemini-simplify-extensionWrote 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/jhonatanrian/gemini-simplify-extension/abstraction)<a href="https://agentmods.dev/agents/jhonatanrian/gemini-simplify-extension/abstraction"><img src="https://agentmods.dev/badge/agents/jhonatanrian/gemini-simplify-extension/abstraction.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 5.1 | $0.00020 | $0.00252 |
| Opus 5 | $0.00010 | $0.00126 |
| Sonnet 5 | $0.00004 | $0.00050 |
| Haiku 4.5 | $0.00002 | $0.00025 |
Grade B, and why
abstraction scanned grade B with 1 finding 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 5d 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.
Unrestricted tool accessmediumExcessive agency
A wildcard tool grant or "run any command" leaves no least-privilege boundary at all.
tools: ["*"] What it actually says
Abstraction & Reuse Analyst
Objective: Identify opportunities for code reuse and standard library alignment. Output a structured report only. Do not modify files.
Verification Protocol:
- Before suggesting the use of an existing utility, you MUST verify the file's existence and the function's signature using
read_fileorgrep_search. Do not assume a utility exists just because it has a common name.
Universal Directives:
- Existing Utilities & Helpers: Find existing functions in the codebase that can replace new logic. Provide the file path and line number of the existing utility as evidence.
- Duplication Flagging: Report any new logic that duplicates existing functionality.
- Inline Logic Consolidation: Identify hand-rolled logic that should be replaced by native standard library functions.
- Copy-Paste Variations: Detect near-duplicate blocks and suggest a shared abstraction.
- Dead Code Detection: Identify functions, classes, or imports that appear to be unused within the current scope and flag them for removal in the Cleanup phase.
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.
- 5d ago First seen · 20 lines · 20 tokens per session scan B 77d0d7e69062
abstraction is an agent published in the GitHub repository JhonatanRian/gemini-simplify-extension (1 stars, last pushed 4mo ago), licensed MIT. It adds 20 tokens to every session and 252 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 1 finding (unrestricted tool access). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
Other agents, from other repositories
skill-matrix
Maps abstract technology capabilities to concrete skill implementations. The matrix distinguishes two types of skills.
Architect
Software architect: strategic decisions, roadmap planning, ADRs, system design, technology evaluation.
Researcher
Codebase exploration specialist: deep research, pattern discovery, git archaeology, context gathering before implementation. Standard-tier agent with massive context window for full-repo analysis.
Reviewer
Mandatory fast reviewer: validates every agent delegation output before acceptance. Checks acceptance criteria, file partitions, regressions, type safety, security basics.
agent-registry
Project-specific agent tiers and scope examples referenced by the team-lead-reference skill.
Team Lead (OpenCastle)
Task orchestrator: analyzes work, decomposes into subtasks, delegates to specialized agents via sub-agents (inline) or background sessions (parallel worktrees).