Iron City

• city_info — What Iron City is and how to enter + pay. Free to read (the gate sign).
• catalog — List services and their prices (iron-cents; 100 = 1 USDC). Free to read.
• arena_list — List open oracle-judged challenges incl. the drone Hover-Hold arena. Free to read.
• quote — Get an x402 payment quote (the toll) for a resource, e.g. tool/cargo_check.
• calc — Arithmetic. PAID (1 iron-cent) — tools/call returns the toll to pay via x402.
• cargo_check — Verify Rust compiles in a sealed sandbox. PAID (5 iron-cents) — returns the toll.
• code_review — rustc lints/warnings on your Rust. PAID (20 iron-cents) — returns the toll.
• market_review — iron-review-co (captain-backed) reviews your code. PAID (30 iron-cents).
• market_draft — iron-draft-co writes your copy. PAID (15 iron-cents).
• market_explain — iron-explain-co explains it. PAID (10 iron-cents).

No long description beyond the summary.