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 GuangminJu/mellos-mapping --skill mellos-mappinggit clone --depth 1 https://github.com/GuangminJu/mellos-mappingWrote 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/guangminju/mellos-mapping/mellos-mapping)<a href="https://agentmods.dev/skills/guangminju/mellos-mapping/mellos-mapping"><img src="https://agentmods.dev/badge/skills/guangminju/mellos-mapping/mellos-mapping/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/guangminju/mellos-mapping/mellos-mapping"><img src="https://agentmods.dev/badge/skills/guangminju/mellos-mapping/mellos-mapping.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 | $0.00120 | $0.02896 |
| Opus 5 | $0.00060 | $0.01448 |
| Sonnet 5 | $0.00024 | $0.00579 |
| Haiku 4.5 | $0.00012 | $0.00290 |
Grade A, and why
mellos-mapping 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 10d 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 — 203 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Mellos Mapping — the map discipline
Five MCP tools (mmap_declare, mmap_update, mmap_remove, mmap_view,
mmap_setup)
maintain a Mellos map: a layered dependency map of the system under
construction, persisted in .mellos/map.json (default page) plus
.mellos/pages/<slug>.json (named pages) and rendered live in
a terminal split pane beside the conversation. To learn whether a map already
exists — and under which page slugs — call mmap_view: every response ends
with a pages: line naming the pages this project has and which one you are
looking at. Never probe the default file to decide: it is absent whenever all
work lives on named pages.
The map is a ledger, not a judge: the tools only refuse structural corruption; when to declare, start, or complete nodes is YOUR discipline, spelled out here. Report honestly — an unflattering map is doing its job.
When to open a map
The USER chooses how eager mapping is — once, for themselves, not once per
project. In Claude Code the answer is already in this session's context: a
SessionStart hook reads it and states it before the conversation begins, so
there is nothing to probe. In hosts without hooks (Codex CLI, a bare MCP
client) call mmap_setup with no arguments before the first map decision of
the session; the reply names both scopes and which one governs.
always— map every structured task: workflows, designs, architecture, technical dependencies. Small effort, small map — but a map.complex— map only medium or complex tasks: several interacting modules, a new subsystem, layered refactoring — roughly an hour of work or more. Skip trivial edits; a map of one node is noise. When unsure, ask.on-request— open a map only when the user explicitly asks.
Under always and complex, the recorded policy is STANDING CONSENT: on a
task it covers, declare the ghost design and open the pane yourself, without
asking first. Re-asking for permission the user has already given is the
failure mode this policy exists to remove.
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.
- 10d ago First seen · 203 lines · 120 tokens per session scan A 9906c1d7ef68
mellos-mapping is a skill published in the GitHub repository GuangminJu/mellos-mapping (10 stars, last pushed 13d ago), licensed MIT. It adds 120 tokens to every session and 2,896 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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