Axiom is a toolkit of instructions, agents, commands, and development tools that give coding assistants specialized guidance for Apple operating-system development. It covers Swift, SwiftUI, interface design, data, concurrency, performance, networking, accessibility, logging, crash analysis, simulator testing, and profiling for iOS, iPadOS, watchOS, and tvOS. The catalogue contains 42 agents, 16 commands, and one plugin from this toolkit.
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.
git clone --depth 1 https://github.com/CharlesWiltgen/AxiomWrote 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/commands/charleswiltgen/axiom/axiom-console)<a href="https://agentmods.dev/commands/charleswiltgen/axiom/axiom-console"><img src="https://agentmods.dev/badge/commands/charleswiltgen/axiom/axiom-console/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/commands/charleswiltgen/axiom/axiom-console"><img src="https://agentmods.dev/badge/commands/charleswiltgen/axiom/axiom-console.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 | $0.00016 | $0.00205 |
| Opus 5 | $0.00008 | $0.00102 |
| Sonnet 5 | $0.00003 | $0.00041 |
| Haiku 4.5 | $0.00002 | $0.00020 |
Grade A, and why
axiom-console 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 3d 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
Capture Simulator Console
Use Axiom's structured MCP tools instead of invoking the xclog helper binary.
- Read
.axiom/preferences.yamlwhen present and use valid saved simulator and bundle identifiers. - If app discovery is needed, call
axiom_xclog_listwith the selected simulatordevice. - Ask the user which app to capture when no unambiguous saved or supplied bundle identifier exists.
- Call
axiom_xclog_launchwithbundleId, a boundedtimeout, andmaxLines; passfilter,subsystem, oroutputonly when requested. - Present the structured output and highlight errors and faults. Update preferences only with normal repository write authorization.
If a required MCP tool is unavailable, stop and report that the Axiom MCP integration is missing; do not fall back to a same-named 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.
- 3d ago First seen · 16 lines · 16 tokens per session scan A 04321f555f89
axiom-console is a command published in the GitHub repository CharlesWiltgen/Axiom (1,151 stars, last pushed yesterday), licensed MIT. It adds 16 tokens to every session and 205 once invoked, about $0.0001 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 2026-09-06.
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safe-decompile
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proguard
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debug
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xcode-build-fix
Incrementally fix Xcode build and Swift compiler errors. Parse errors, explain issues, apply fixes, verify resolution.