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 YoanWai/agent-manager --skill agent-managergit clone --depth 1 https://github.com/YoanWai/agent-managerWrote 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/yoanwai/agent-manager/agent-manager)<a href="https://agentmods.dev/skills/yoanwai/agent-manager/agent-manager"><img src="https://agentmods.dev/badge/skills/yoanwai/agent-manager/agent-manager/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/yoanwai/agent-manager/agent-manager"><img src="https://agentmods.dev/badge/skills/yoanwai/agent-manager/agent-manager.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Agent Snooping · line 13 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
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 | $0.00063 | $0.00991 |
| Opus 5.5 | $0.00025 | $0.00396 |
| Sonnet 5.5 | $0.00013 | $0.00198 |
| Haiku 4.5 | $0.00006 | $0.00099 |
Grade A, and why
agent-manager 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 15d 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 — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Run a fleet of coding agents with agent-manager
agent-manager is a single Go binary on top of tmux. Every row in its list is a real tmux session running a real coding CLI: the developer's own installation, login, config and MCP servers. It never wraps or re-implements an agent; it reads the same pane a human would and colours the row by what that pane is doing.
When to use this
- The developer is running more than one coding agent and cannot tell which is blocked.
- They want to spawn an agent on an independent task without losing the one already running.
- They want an agent's conversation to survive a crash, a reboot, or a closed terminal.
- They want to review a diff and send line comments back into the agent's prompt.
Do not reach for it to replace a coding CLI. It starts the CLIs that are already installed.
Install
macOS and Linux, amd64 and arm64. Windows runs it inside WSL2. Needs tmux 3.1+ and git.
brew install agent-manager
Other routes: the install script, the AUR (yay -S agent-manager-bin), mise use -g ubi:YoanWai/agent-manager, go install github.com/YoanWai/agent-manager@latest, or a
prebuilt binary from the releases page.
The keys that matter
| Key | What it does |
|---|---|
space |
Opens quick prompt mode, a prompt bar docked in the footer. On a group row it spawns a new agent with that prompt; on a session row it answers the agent already running there. |
tab / alt+m |
Cycles which CLI the next spawn starts. |
shift+tab |
Steps the CLI back one. |
ctrl+l / ctrl+x / ctrl+y |
Picks the spawn's model, reasoning effort and profile from the ones the CLI reports. |
ctrl+t / alt+w |
Toggles spawning the agent into a fresh git worktree and branch. |
ctrl+r |
Opens a full-screen whole-file diff whose line comments go back to the agent as one review prompt. |
v |
Revives a dead session on the conversation it held. |
y |
Copies the selected session's newest reply to the system clipboard, without attaching. |
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.
- 15d ago Changed fc854b1761f4
- 20d ago Changed · +2 lines 0602c1271e7c
- 21d ago Changed · +1 lines 586656acf91a
- 23d ago Changed 84ebfb1e8468
- 1mo ago Changed · +1 lines 158153fa454b
- 1mo ago Changed · +1 lines 8bde6955045f
- 1mo ago Changed · +1 lines 9f814e61ad74
- 1mo ago First seen · 74 lines · 63 tokens per session scan A b47516a1fef0
agent-manager is a skill published in the GitHub repository YoanWai/agent-manager (611 stars, last pushed today), licensed Apache-2.0. It adds 63 tokens to every session and 991 once invoked, about $0.0003 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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