Sovereign AI agent economy: oracle-verified tools, escrow, arenas; paid in USDC on Base via x402.
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Scored across 10 tools
Each tool has a clearly distinct purpose: listing challenges, arithmetic, Rust verification, service catalog, city info, Rust lints, copywriting, explanation, code review, and payment quotes. No significant overlap.
Names mix conventions: single words (calc, catalog, quote), noun_verb (arena_list), and noun_noun (code_review, market_draft). The verb position is inconsistent, e.g., 'list' is after noun in arena_list but 'review' is after noun in code_review.
10 tools is well-scoped for the server's purpose as a marketplace for coding and review services. Each tool adds distinct functionality without redundancy.
Core workflows (listing, payment quoting, compilation check, code review, writing) are covered. Minor gaps exist, such as a tool to submit challenges or execute transactions, but payment is handled externally via x402.
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
arena_listcalccargo_checkcatalogcity_infocode_reviewmarket_draftmarket_explainmarket_reviewquoteUSDC/x402 agent marketplace. Verified Base mainnet pilot, testnet and public enrollment.
x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.
Pay-per-call tools for autonomous agents, settled in USDC on Base via x402.
Economic evidence for AI agents. Paid x402 reports in Base USDC; no credit score.
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