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 fedroraddict/rango --skill chameleon-ultragit clone --depth 1 https://github.com/fedroraddict/rangoWrote 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/fedroraddict/rango/chameleon-ultra)<a href="https://agentmods.dev/skills/fedroraddict/rango/chameleon-ultra"><img src="https://agentmods.dev/badge/skills/fedroraddict/rango/chameleon-ultra/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/fedroraddict/rango/chameleon-ultra"><img src="https://agentmods.dev/badge/skills/fedroraddict/rango/chameleon-ultra.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 | $0.00087 | $0.03612 |
| Opus 5 | $0.00044 | $0.01806 |
| Sonnet 5 | $0.00017 | $0.00722 |
| Haiku 4.5 | $0.00009 | $0.00361 |
Grade A, and why
chameleon-ultra 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 — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Chameleon Ultra device operation
This plugin exposes the device's official CLI through an MCP server named chameleon. Tools below are cited by their bare MCP names — your host prefixes them (Kimi Code: mcp__plugin-chameleon-ultra_chameleon__chameleon_run, Claude Code: mcp__chameleon__chameleon_run, other hosts similar). Always use these MCP tools for device access — never drive the CLI through Bash, because the MCP server process holds the single persistent serial connection.
Tools
chameleon_state()— one-call device snapshot (firmware, battery, active slot, slot summaries). Start every workflow with this instead of separate version/battery/slot calls.chameleon_run(command, confirm_dangerous)— run any CLI command, returns output + connection state.chameleon_help(command)— exact syntax of one command, e.g.hf mf nested. Call it whenever unsure of flags.chameleon_catalog()— full command list.card_analyze(name_or_path)— offline dump analysis without touching the device (library name or absolute path).dict_list / dict_seed_default / dict_create / dict_merge / dict_import / dict_show— manage Mifare key dictionaries (.dic= one 12-hex key per line) in~/.chameleon_ai/dicts/.card_list / card_add / card_show / card_remove— host-side card library in~/.chameleon_ai/cards/(unlimited saved dumps, independent of the 8 device slots).card_load(name, slot, nick, confirm_dangerous)— load a library card into a device slot with the verified command order (type → eload → block0 → nick); auto-picks the first free slot when slot=0.
Collaboration modes
- Copilot (default): explain each gated command in one sentence and get user approval before running it. Chain read-only steps freely.
- Autopilot: only when the user explicitly asks for it ("autopilot", "do the whole flow"). Then you may pre-plan the full workflow, state it once up front, and run the chain — including gated steps with
confirm_dangerous=true— without stopping at each step. Autopilot lasts for the stated workflow only, not the whole session. - Even in autopilot:
hw dfu,hw factory_reset, and writing to a physical card (hf mf clone,hf mf wrbl, LF write commands) always get their own explicit confirmation.
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 · 129 lines · 87 tokens per session scan A a534d41e55b0
chameleon-ultra is a skill published in the GitHub repository fedroraddict/rango (0 stars, last pushed 16d ago), licensed MIT. It adds 87 tokens to every session and 3,612 once invoked, about $0.0004 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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