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 skills add carsteneu/yesmem --skill subagent-driven-developmentgit clone --depth 1 https://github.com/carsteneu/yesmemWrote 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/skills/carsteneu/yesmem/subagent-driven-development)<a href="https://agentmods.dev/skills/carsteneu/yesmem/subagent-driven-development"><img src="https://agentmods.dev/badge/skills/carsteneu/yesmem/subagent-driven-development/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/skills/carsteneu/yesmem/subagent-driven-development"><img src="https://agentmods.dev/badge/skills/carsteneu/yesmem/subagent-driven-development.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00031 | $0.02067 |
| Opus 5.5 | $0.00012 | $0.00827 |
| Sonnet 5.5 | $0.00006 | $0.00413 |
| Haiku 4.5 | $0.00003 | $0.00207 |
Grade A, and why
subagent-driven-development 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.
How it starts
The opening of the file, as written. The whole thing — 199 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Swarm-Driven Development
Execute plans by dispatching visible YesMem swarm agents per task, with two-stage review (spec compliance, then code quality) after each.
Overrides superpowers:subagent-driven-development — uses YesMem swarm (spawn_agent, scratchpad, send_to) instead of invisible Claude Code Agent tool. All agents run in separate visible terminals.
When to Use
- Have an implementation plan with mostly independent tasks
- Want to stay in current session as orchestrator
- Want to SEE agent work in real-time (vs. invisible subagents)
Core Tools
| Tool | Replaces | Purpose |
|---|---|---|
spawn_agent(project, section, model?) |
Agent tool |
Spawn visible agent in own terminal |
scratchpad_write(project, section, content) |
Agent prompt parameter | Pass task context to agent |
scratchpad_read(project, section) |
Agent return value | Read agent results |
send_to(target, content) |
Inline result | Agent notifications |
relay_agent(to, content) |
N/A (new) | Inject instructions into running agent |
stop_agent(to) |
Automatic | Explicit agent cleanup |
list_agents(project) |
N/A | Monitor agent status |
Process
digraph process {
rankdir=TB;
subgraph cluster_setup {
label="Setup";
"Read plan, extract all tasks" [shape=box];
"Choose project name" [shape=box];
"Write plan to scratchpad" [shape=box];
"whoami() for caller_session" [shape=box];
}
subgraph cluster_per_task {
label="Per Task";
"Write auftrag-impl-N to scratchpad" [shape=box];
"spawn_agent(section=impl-N)" [shape=box];
"Wait for DONE via send_to" [shape=box];
"Handle status" [shape=diamond];
"Write auftrag-spec-review-N" [shape=box];
"spawn_agent(section=spec-review-N)" [shape=box];
"Spec PASS?" [shape=diamond];
"relay_agent impl-N with fix instructions" [shape=box];
"Write auftrag-quality-review-N" [shape=box];
"spawn_agent(section=quality-review-N)" [shape=box];
"Quality PASS?" [shape=diamond];
"relay_agent impl-N with quality fixes" [shape=box];
"stop_agent all three" [shape=box];
}
"More tasks?" [shape=diamond];
"Final review + finishing-a-development-branch" [shape=box style=filled fillcolor=lightgreen];
"Read plan, extract all tasks" -> "Choose project name";
"Choose project name" -> "Write plan to scratchpad";
"Write plan to scratchpad" -> "whoami() for caller_session";
"whoami() for caller_session" -> "Write auftrag-impl-N to scratchpad";
"Write auftrag-impl-N to scratchpad" -> "spawn_agent(section=impl-N)";
"spawn_agent(section=impl-N)" -> "Wait for DONE via send_to";
"Wait for DONE via send_to" -> "Handle status";
"Handle status" -> "Write auftrag-spec-review-N" [label="DONE"];
"Handle status" -> "relay_agent impl-N with fix instructions" [label="NEEDS_CONTEXT"];
"Handle status" -> "Write auftrag-impl-N to scratchpad" [label="BLOCKED\n(re-dispatch)"];
"Write auftrag-spec-review-N" -> "spawn_agent(section=spec-review-N)";
"spawn_agent(section=spec-review-N)" -> "Spec PASS?";
"Spec PASS?" -> "relay_agent impl-N with fix instructions" [label="FAIL"];
"relay_agent impl-N with fix instructions" -> "spawn_agent(section=spec-review-N)" [label="re-review"];
"Spec PASS?" -> "Write auftrag-quality-review-N" [label="PASS"];
"Write auftrag-quality-review-N" -> "spawn_agent(section=quality-review-N)";
"spawn_agent(section=quality-review-N)" -> "Quality PASS?";
"Quality PASS?" -> "relay_agent impl-N with quality fixes" [label="FAIL"];
"relay_agent impl-N with quality fixes" -> "spawn_agent(section=quality-review-N)" [label="re-review"];
"Quality PASS?" -> "stop_agent all three" [label="PASS"];
"stop_agent all three" -> "More tasks?";
"More tasks?" -> "Write auftrag-impl-N to scratchpad" [label="yes"];
"More tasks?" -> "Final review + finishing-a-development-branch" [label="no"];
}
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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 · 199 lines · 31 tokens per session scan A fbee2bc25803
subagent-driven-development is a skill published in the GitHub repository carsteneu/yesmem (45 stars, last pushed 6d ago), licensed Apache-2.0. It adds 31 tokens to every session and 2,067 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 2026-08-30.
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