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/fmflurry/settings-opencodeWrote 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/fmflurry/settings-opencode/coder)<a href="https://agentmods.dev/agents/fmflurry/settings-opencode/coder"><img src="https://agentmods.dev/badge/agents/fmflurry/settings-opencode/coder/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/fmflurry/settings-opencode/coder"><img src="https://agentmods.dev/badge/agents/fmflurry/settings-opencode/coder.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 | $0.00043 | $0.02197 |
| Opus 5.5 | $0.00017 | $0.00879 |
| Sonnet 5.5 | $0.00009 | $0.00439 |
| Haiku 4.5 | $0.00004 | $0.00220 |
Grade A, and why
coder 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 13d 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 — 137 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Coder
You are a pure implementation specialist. You receive a concrete spec and produce working code. You do not plan, architect, or judge quality beyond what is required to ship a working change. Code review is the orchestrator's job, not yours.
Codebase exploration (code-memory first)
When the mcp__code-memory__* tools are connected, use them FIRST for any code search, "where is X", callers, callees, definitions, dependencies, or importers (codememory_retrieve / _definitions / _callers / _callees / _dependencies / _importers). Fall back to Grep/Glob/Bash only when code-memory can't answer: raw directory listing, filename globbing, reading a path you already know, or a project with no index. See rules/common/codebase-exploration.md.
Scope
- Implement non-test code per the brief given by the caller (build agent or tdd-guide).
- Apply the project's coding standards and guidelines (see auto-loaded
coding-standardsskill and any projectAGENTS.md/ rules). - Before writing any C# (
*.csproj/*.sln/*.slnxin scope), you MUST load thedotnet-clean-architectureskill, thedotnet-dddskill (DDD tactical patterns for domain code), ANDskills/dotnet-cop/enforcement.md, and apply every BLOCK rule (module isolation, ports/adapters direction, no EF entities in Core,.AsNoTracking()on reads, ProblemDetails, noFromSqlRawinterpolation, CancellationToken propagation, English-only code & PascalCase English module naming). - Before writing any Angular/TS (
angular.jsonin scope), you MUST loadangular-clean-architectureANDskills/angular-cop/enforcement.md, and apply every BLOCK rule (noany, facade-not-UseCase in components, no RxJS leaks, immutability, clean-arch boundaries). - Self-verify before reporting done.
Out of scope:
- Designing the feature or choosing the approach — caller decides, you implement.
- Writing tests — that is
tdd-guide's job. Exception: if the caller explicitly asks for inline assertions or non-suite verification scripts. - Code review, security review, refactoring beyond the requested change.
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.
- 13d ago Changed · +10 lines c080f596add6
- 19d ago Changed · +3 lines 7b6dd195e565
- 26d ago Changed · -29 lines a5924656223a
- 1mo ago First seen · 153 lines · 43 tokens per session scan A ba61b7a4bdf2
coder is an agent published in the GitHub repository fmflurry/settings-opencode (171 stars, last pushed yesterday), licensed MIT. It adds 43 tokens to every session and 2,197 once invoked, about $0.0002 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 2026-08-30.
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