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 dcc-mcp/dcc-itchio --skill itchio-publishgit clone --depth 1 https://github.com/dcc-mcp/dcc-itchioWrote 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/dcc-mcp/dcc-itchio/itchio-publish)<a href="https://agentmods.dev/skills/dcc-mcp/dcc-itchio/itchio-publish"><img src="https://agentmods.dev/badge/skills/dcc-mcp/dcc-itchio/itchio-publish/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/dcc-mcp/dcc-itchio/itchio-publish"><img src="https://agentmods.dev/badge/skills/dcc-mcp/dcc-itchio/itchio-publish.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 | $0.00035 | $0.00546 |
| Opus 5 | $0.00017 | $0.00273 |
| Sonnet 5 | $0.00007 | $0.00109 |
| Haiku 4.5 | $0.00003 | $0.00055 |
Grade A, and why
itchio-publish 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 11d 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
itch.io Publish
Use this skill after game-release-package has created
license-provenance.json for the complete exported game directory. Credentials
must come from ITCHIO_API_KEY, BUTLER_API_KEY, or butler's own credential
store; never place a key in a tool argument.
Read references/WORKFLOW.md before the first authenticated push.
The required flow is:
- Call
list_itchio_projectsandinspect_itchio_channelsto establish the exactowner/game-slug:channeldestination. - Call
preview_itchio_push. It does not upload. It hashes the source tree, validates license provenance, pins the butler binary, records the channel parent, and binds the structured butler diff into a receipt. - Show the target, version, hidden state, parent build, and diff to the user.
- Only after explicit approval, pass the unchanged receipt and unchanged
arguments to
push_itchio_build.
push_itchio_build revalidates every local and remote binding, reruns the
preview, and refuses to start when the parent build drifted. It always uses
--if-changed, disables butler auto-wrap and auto-unzip, and defaults a new
channel to hidden. hidden=true is rejected for an existing channel because
butler's hidden flag is a channel-creation setting; pass hidden=false when
updating an existing channel.
Cancellation terminates only the local butler process. Once a push has created a remote build, cancellation cannot roll it back; inspect the channel to learn the final remote state.
This skill does not edit store pages, buy content, log in through a browser, or import files into a DCC.
What ships with it
9 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.
- metadata/depends.md 101 B
- references/WORKFLOW.md 2.2 KB
- scripts/__init__.py 37 B runs code
- scripts/_publish.py 42 KB runs code
- scripts/inspect_itchio_channels.py 783 B runs code
- scripts/list_itchio_projects.py 688 B runs code
- scripts/preview_itchio_push.py 1.2 KB runs code
- scripts/push_itchio_build.py 1.2 KB runs code
- tools.yaml 6.5 KB
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.
- 11d ago First seen · 51 lines · 35 tokens per session scan A 77d38be4e72e
itchio-publish is a skill published in the GitHub repository dcc-mcp/dcc-itchio (0 stars, last pushed 21d ago), licensed MIT. It adds 35 tokens to every session and 546 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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