Siro

Runs one Siro resource and pays its exact USD price over x402, in USDG on Robinhood Chain or USDC on Solana, Base, Arbitrum or Polygon. Send a signed x402 v2 PaymentPayload in params._meta["x402/payment"]; without it the tool returns isError with the payment requirements (price, networks, payTo) to sign. The work runs before the payment settles, so failed calls are never charged; a successful call returns the result plus a receipt with the transaction hash in _meta["x402/payment-response"]. Agents without an x402 wallet can use the Siro CLI (`siro mcp`), which pays automatically within spending caps.

Searches the open x402 Bazaar index (run by Coinbase CDP) for paid APIs outside Siro's own catalog, such as weather, web search, data enrichment or token prices. Returns each service's URL, HTTP method, price, accepted networks, an example input and whether Siro can pay it (payable = accepts USDG on Robinhood Chain or USDC on Solana, Base, Arbitrum or Polygon). Use it when no Siro resource fits the task. Free, no payment needed.

Returns everything needed to call one Siro resource: its USD price, the JSON Schema of its input, a ready-to-use example input, what it returns, and its HTTP endpoint. Use it after siro_resources and before siro_call so the input is valid (invalid input is rejected before any payment). Free, no payment needed.

Lists Siro's pay-per-call resources (67 in total) with id, name, category, USD price and a one-line summary. Use it first to find the right resource id; then read its input schema with siro_resource_schema and run it with siro_call. Categories: LLMs, image generation, audio (speech and transcription), vision, web (reading and translation), on-chain data on Robinhood Chain and Base, tokenized stocks, Polymarket prediction markets and content tools. Free, no payment needed.

Lists the tokens a Siro wallet can swap through the KyberSwap aggregator on one network, with symbol, name and contract address. On Robinhood Chain this includes ETH, WETH, USDG and every Robinhood stock token (TSLA, NVDA, AAPL…); on Base it includes ETH, WETH and USDC. Use it to resolve a ticker to its contract address before quoting or executing a swap with the Siro CLI. Read-only and free; it does not trade.