Borrowing it
Nothing to install: this file belongs to wfbcargo/wfbcargo_spawn_mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/wfbcargo/wfbcargo_spawn_mcp/main/.claude/skills/savi-conductor/SKILL.mdgit clone --depth 1 https://github.com/wfbcargo/wfbcargo_spawn_mcpWrote 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/wfbcargo/wfbcargo_spawn_mcp/savi-conductor)<a href="https://agentmods.dev/skills/wfbcargo/wfbcargo_spawn_mcp/savi-conductor"><img src="https://agentmods.dev/badge/skills/wfbcargo/wfbcargo_spawn_mcp/savi-conductor/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/wfbcargo/wfbcargo_spawn_mcp/savi-conductor"><img src="https://agentmods.dev/badge/skills/wfbcargo/wfbcargo_spawn_mcp/savi-conductor.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 | $0.00123 | $0.02368 |
| Opus 5 | $0.00062 | $0.01184 |
| Sonnet 5 | $0.00025 | $0.00474 |
| Haiku 4.5 | $0.00012 | $0.00237 |
Grade A, and why
savi-conductor 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 9d 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 — 156 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Savi conductor
You are the conductor of a Spawn build. Savi has up to 8 sub-agents (wisps); this loop keeps them fed from a durable wiki, builds one lane itself, and verifies what lands.
The one fact everything follows from
spawn_savi is fire-and-forget: no reply, no acknowledgement, no completion event, and
no endpoint reports who pushed. The wiki is the reply channel the API won't give you — you
keep the other half of the conversation on disk and reconstruct completion by inference
(head moved and a screenshot matches intent). Three consequences run through this skill:
- A head bump is not proof a task is done. Verify by looking, never by the version number alone. Head could move from Savi, the creator, a teammate, or your own push.
- You cannot see which wisp owns which task. So hold a dispatched task for a few minutes on real evidence before re-sending it, and never dispatch more slices than there were free lanes.
- The wiki outlives your context. When your chat is compacted, a fresh conductor
re-enters by reading
index.mdand following links. Keep it true, or the loop rots.
Mode
Hybrid, self-scheduling. You build one lane yourself and fan the rest out. You pick your
own next wake time from how full the fleet is. Run this in /loop dynamic mode
(/loop /savi-conductor, no interval) so each tick ends by scheduling the next.
Preconditions (check every tick)
- A headed play session is open. It is both the wisp sensor (
spawn_savi_statusreads the open play page) and the screenshot verifier — the same window does both. If none is open,spawn_play_openfirst. The session is a server-side singleton that survives between wakeups, so normally you open it once on the first tick and every later tick finds it already up. - One conductor per fleet.
spawn_savi_statusis account-wide across the studio. Two conductors would double-count vacancy and thrash Savi. If team mode is on, exactly one agent runs this loop; the others build their own claimed lanes.
What ships with it
5 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.
- 9d ago First seen · 156 lines · 123 tokens per session scan A d096052e95a6
savi-conductor is a skill published in the GitHub repository wfbcargo/wfbcargo_spawn_mcp (3 stars, last pushed yesterday), licensed MIT. It adds 123 tokens to every session and 2,368 once invoked, about $0.0006 per session on Opus 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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