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 Heretyc/subagent-mcp --skill smcp-configgit clone --depth 1 https://github.com/Heretyc/subagent-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/heretyc/subagent-mcp/smcp-config)<a href="https://agentmods.dev/skills/heretyc/subagent-mcp/smcp-config"><img src="https://agentmods.dev/badge/skills/heretyc/subagent-mcp/smcp-config.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 | $0.00046 | $0.00246 |
| Opus 5 | $0.00023 | $0.00123 |
| Sonnet 5 | $0.00009 | $0.00049 |
| Haiku 4.5 | $0.00005 | $0.00025 |
Grade A, and why
smcp-config 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 7d 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.
What it actually says
subagent-mcp Config
Use the configure MCP tool: action=list enumerates every key with metadata,
action=get reads one, action=set writes a settable key. Read
references/settings.md for paths, redaction, and write rules; never guess
key names or defaults.
global.*,update.autoUpdate, andmode.*are read-only here:setreturns a coached no-op naming the file or tool to use instead.- Running
configureIS permitted for the orchestrator session even when orchestration mode is ON; call it directly, do not delegate. - Never echo a secret; report only the redacted tool output.
What ships with it
1 file 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.
- 7d ago First seen · 22 lines · 46 tokens per session scan A a3ae0c9b8688
smcp-config is a skill published in the GitHub repository Heretyc/subagent-mcp (3 stars, last pushed 3d ago), licensed Apache-2.0. It adds 46 tokens to every session and 246 once invoked, about $0.0002 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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