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AssetFare USDC Bridge

by io.github.assetfare
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assetfare_v2_session_observe_output

Idempotent

Record an already-produced bridge or destination output, then advance the workflow. Example: pass the output hash, a new idempotency key, and the original verification_context. Any next current_action is deeply verified and receives a wallet handoff. AssetFare never signs or submits.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
session_idYesV2 workflow session UUID returned by assetfare_v2_session_create. Use only with assetfare_v2_session_* tools; do not pass a legacy session ID.
session_tokenYesSensitive caller-generated v2 session capability: at least 32 CSPRNG bytes encoded as 43-128 URL-safe base64 characters. Generate it locally; never log it or substitute a private key or legacy access token.
idempotency_keyYesCaller-generated retry key, 8-128 characters. Reuse it only when retrying the same logical mutation; choose a new key for a new operation. Strict approval_v3 requests additionally enforce its ASCII key pattern.
transaction_hashNoOptional bridge or destination transaction hash already produced outside AssetFare. Omit only when the provider output can be observed without a hash.
verification_contextYesStrict caller-held context copied from the selected quote and approval. It contains public intent/wallet data only, never the raw session token or a private key, and is required whenever a remote MCP session call can return current_action.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
signedYes
statusYes
submittedYes
session_idYes
quote_bindingYes
current_actionYes
server_signingYes
action_availableYes
server_submissionYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed6 schema fields changed
    • changedInput schema / properties / verification_context / properties / direct_route_summary / properties / from / enum
      Previous value: -[
-  "solana:SOL",
-  "solana:USDC",
-  "solana:USDG",
-  "base:ETH",
-  "base:USDC",
-  "arbitrum:ETH",
-  "arbitrum:USDC",
-  "robinhood:ETH",
-  "robinhood:USDG",
-  "polygon:USDC",
-  "optimism:USDC",
-  "ethereum:USDC",
-  "hyperevm:USDC",
-  "xlayer:USDC",
-  "sei:USDC",
-  "sonic:USDC",
-  "monad:USDC",
-  "avalanche:USDC",
-  "cronos:USDC",
-  "injective:USDC",
-  "linea:USDC",
-  "aptos:USDC"
-]New value: +[
+  "solana:SOL",
+  "solana:USDC",
+  "solana:USDG",
+  "base:ETH",
+  "base:USDC",
+  "arbitrum:ETH",
+  "arbitrum:USDC",
+  "robinhood:ETH",
+  "robinhood:USDG",
+  "polygon:USDC",
+  "optimism:USDC",
+  "ethereum:USDC",
+  "hyperevm:USDC",
+  "xlayer:USDC",
+  "sei:USDC",
+  "sonic:USDC",
+  "monad:USDC",
+  "avalanche:USDC",
+  "cronos:USDC",
+  "injective:USDC",
+  "linea:USDC",
+  "aptos:USDC",
+  "unichain:USDC",
+  "ink:USDC"
+]
    • changedInput schema / properties / verification_context / properties / direct_route_summary / properties / route / enum
      Previous value: -[
-  "solana:SOL->solana:USDC",
-  "solana:SOL->solana:USDG",
-  "solana:SOL->base:ETH",
-  "solana:SOL->base:USDC",
-  "solana:SOL->arbitrum:ETH",
-  "solana:SOL->arbitrum:USDC",
-  "solana:SOL->robinhood:ETH",
-  "solana:SOL->robinhood:USDG",
-  "solana:USDC->solana:SOL",
-  "solana:USDC->solana:USDG",
-  "solana:USDC->base:ETH",
-  "solana:USDC->base:USDC",
-  "solana:USDC->arbitrum:ETH",
-  "solana:USDC->arbitrum:USDC",
-  "solana:USDC->robinhood:ETH",
-  "solana:USDC->robinhood:USDG",
-  "solana:USDG->solana:SOL",
-  "solana:USDG->solana:USDC",
-  "solana:USDG->base:ETH",
-  "solana:USDG->base:USDC",
-  "solana:USDG->arbitrum:ETH",
-  "solana:USDG->arbitrum:USDC",
-  "solana:USDG->robinhood:ETH",
-  "solana:USDG->robinhood:USDG",
-  "base:ETH->solana:SOL",
-  "base:ETH->solana:USDC",
-  "base:ETH->solana:USDG",
-  "base:ETH->base:USDC",
-  "base:ETH->arbitrum:ETH",
-  "base:ETH->arbitrum:USDC",
-  "base:ETH->robinhood:ETH",
-  "base:ETH->robinhood:USDG",
-  "base:USDC->solana:SOL",
-  "base:USDC->solana:USDC",
-  "base:USDC->solana:USDG",
-  "base:USDC->base:ETH",
-  "base:USDC->arbitrum:ETH",
-  "base:USDC->arbitrum:USDC",
-  "base:USDC->robinhood:ETH",
-  "base:USDC->robinhood:USDG",
-  "arbitrum:ETH->solana:SOL",
-  "arbitrum:ETH->solana:USDC",
-  "arbitrum:ETH->solana:USDG",
-  "arbitrum:ETH->base:ETH",
-  "arbitrum:ETH->base:USDC",
-  "arbitrum:ETH->arbitrum:USDC",
-  "arbitrum:ETH->robinhood:ETH",
-  "arbitrum:ETH->robinhood:USDG",
-  "arbitrum:USDC->solana:SOL",
-  "arbitrum:USDC->solana:USDC",
-  "arbitrum:USDC->solana:USDG",
-  "arbitrum:USDC->base:ETH",
-  "arbitrum:USDC->base:USDC",
-  "arbitrum:USDC->arbitrum:ETH",
-  "arbitrum:USDC->robinhood:ETH",
-  "arbitrum:USDC->robinhood:USDG",
-  "robinhood:ETH->solana:SOL",
-  "robinhood:ETH->solana:USDC",
-  "robinhood:ETH->solana:USDG",
-  "robinhood:ETH->base:ETH",
-  "robinhood:ETH->base:USDC",
-  "robinhood:ETH->arbitrum:ETH",
-  "robinhood:ETH->arbitrum:USDC",
-  "robinhood:ETH->robinhood:USDG",
-  "robinhood:USDG->solana:SOL",
-  "robinhood:USDG->solana:USDC",
-  "robinhood:USDG->solana:USDG",
-  "robinhood:USDG->base:ETH",
-  "robinhood:USDG->base:USDC",
-  "robinhood:USDG->arbitrum:ETH",
-  "robinhood:USDG->arbitrum:USDC",
-  "robinhood:USDG->robinhood:ETH",
-  "polygon:USDC->base:USDC",
-  "polygon:USDC->arbitrum:USDC",
-  "optimism:USDC->base:USDC",
-  "optimism:USDC->arbitrum:USDC",
-  "ethereum:USDC->solana:USDC",
-  "ethereum:USDC->base:USDC",
-  "hyperevm:USDC->solana:USDC",
-  "hyperevm:USDC->base:USDC",
-  "xlayer:USDC->solana:USDC",
-  "xlayer:USDC->base:USDC",
-  "sei:USDC->solana:USDC",
-  "sei:USDC->base:USDC",
-  "sonic:USDC->solana:USDC",
-  "sonic:USDC->base:USDC",
-  "monad:USDC->solana:USDC",
-  "monad:USDC->base:USDC",
-  "avalanche:USDC->solana:USDC",
-  "avalanche:USDC->base:USDC",
-  "cronos:USDC->solana:USDC",
-  "cronos:USDC->base:USDC",
-  "injective:USDC->solana:USDC",
-  "injective:USDC->base:USDC",
-  "linea:USDC->solana:USDC",
-  "linea:USDC->base:USDC",
-  "aptos:USDC->solana:USDC",
-  "aptos:USDC->base:USDC"
-]New value: +[
+  "solana:SOL->solana:USDC",
+  "solana:SOL->solana:USDG",
+  "solana:SOL->base:ETH",
+  "solana:SOL->base:USDC",
+  "solana:SOL->arbitrum:ETH",
+  "solana:SOL->arbitrum:USDC",
+  "solana:SOL->robinhood:ETH",
+  "solana:SOL->robinhood:USDG",
+  "solana:USDC->solana:SOL",
+  "solana:USDC->solana:USDG",
+  "solana:USDC->base:ETH",
+  "solana:USDC->base:USDC",
+  "solana:USDC->arbitrum:ETH",
+  "solana:USDC->arbitrum:USDC",
+  "solana:USDC->robinhood:ETH",
+  "solana:USDC->robinhood:USDG",
+  "solana:USDG->solana:SOL",
+  "solana:USDG->solana:USDC",
+  "solana:USDG->base:ETH",
+  "solana:USDG->base:USDC",
+  "solana:USDG->arbitrum:ETH",
+  "solana:USDG->arbitrum:USDC",
+  "solana:USDG->robinhood:ETH",
+  "solana:USDG->robinhood:USDG",
+  "base:ETH->solana:SOL",
+  "base:ETH->solana:USDC",
+  "base:ETH->solana:USDG",
+  "base:ETH->base:USDC",
+  "base:ETH->arbitrum:ETH",
+  "base:ETH->arbitrum:USDC",
+  "base:ETH->robinhood:ETH",
+  "base:ETH->robinhood:USDG",
+  "base:USDC->solana:SOL",
+  "base:USDC->solana:USDC",
+  "base:USDC->solana:USDG",
+  "base:USDC->base:ETH",
+  "base:USDC->arbitrum:ETH",
+  "base:USDC->arbitrum:USDC",
+  "base:USDC->robinhood:ETH",
+  "base:USDC->robinhood:USDG",
+  "arbitrum:ETH->solana:SOL",
+  "arbitrum:ETH->solana:USDC",
+  "arbitrum:ETH->solana:USDG",
+  "arbitrum:ETH->base:ETH",
+  "arbitrum:ETH->base:USDC",
+  "arbitrum:ETH->arbitrum:USDC",
+  "arbitrum:ETH->robinhood:ETH",
+  "arbitrum:ETH->robinhood:USDG",
+  "arbitrum:USDC->solana:SOL",
+  "arbitrum:USDC->solana:USDC",
+  "arbitrum:USDC->solana:USDG",
+  "arbitrum:USDC->base:ETH",
+  "arbitrum:USDC->base:USDC",
+  "arbitrum:USDC->arbitrum:ETH",
+  "arbitrum:USDC->robinhood:ETH",
+  "arbitrum:USDC->robinhood:USDG",
+  "robinhood:ETH->solana:SOL",
+  "robinhood:ETH->solana:USDC",
+  "robinhood:ETH->solana:USDG",
+  "robinhood:ETH->base:ETH",
+  "robinhood:ETH->base:USDC",
+  "robinhood:ETH->arbitrum:ETH",
+  "robinhood:ETH->arbitrum:USDC",
+  "robinhood:ETH->robinhood:USDG",
+  "robinhood:USDG->solana:SOL",
+  "robinhood:USDG->solana:USDC",
+  "robinhood:USDG->solana:USDG",
+  "robinhood:USDG->base:ETH",
+  "robinhood:USDG->base:USDC",
+  "robinhood:USDG->arbitrum:ETH",
+  "robinhood:USDG->arbitrum:USDC",
+  "robinhood:USDG->robinhood:ETH",
+  "polygon:USDC->base:USDC",
+  "polygon:USDC->arbitrum:USDC",
+  "optimism:USDC->base:USDC",
+  "optimism:USDC->arbitrum:USDC",
+  "ethereum:USDC->solana:USDC",
+  "ethereum:USDC->base:USDC",
+  "hyperevm:USDC->solana:USDC",
+  "hyperevm:USDC->base:USDC",
+  "xlayer:USDC->solana:USDC",
+  "xlayer:USDC->base:USDC",
+  "sei:USDC->solana:USDC",
+  "sei:USDC->base:USDC",
+  "sonic:USDC->solana:USDC",
+  "sonic:USDC->base:USDC",
+  "monad:USDC->solana:USDC",
+  "monad:USDC->base:USDC",
+  "avalanche:USDC->solana:USDC",
+  "avalanche:USDC->base:USDC",
+  "cronos:USDC->solana:USDC",
+  "cronos:USDC->base:USDC",
+  "injective:USDC->solana:USDC",
+  "injective:USDC->base:USDC",
+  "linea:USDC->solana:USDC",
+  "linea:USDC->base:USDC",
+  "aptos:USDC->solana:USDC",
+  "aptos:USDC->base:USDC",
+  "unichain:USDC->solana:USDC",
+  "ink:USDC->solana:USDC"
+]
    • changedInput schema / properties / verification_context / properties / direct_route_summary / properties / steps / items / properties / from / enum
      Previous value: -[
-  "solana:SOL",
-  "solana:USDC",
-  "solana:USDG",
-  "base:ETH",
-  "base:USDC",
-  "arbitrum:ETH",
-  "arbitrum:USDC",
-  "robinhood:ETH",
-  "robinhood:USDG",
-  "polygon:USDC",
-  "optimism:USDC",
-  "ethereum:USDC",
-  "hyperevm:USDC",
-  "xlayer:USDC",
-  "sei:USDC",
-  "sonic:USDC",
-  "monad:USDC",
-  "avalanche:USDC",
-  "cronos:USDC",
-  "injective:USDC",
-  "linea:USDC",
-  "aptos:USDC"
-]New value: +[
+  "solana:SOL",
+  "solana:USDC",
+  "solana:USDG",
+  "base:ETH",
+  "base:USDC",
+  "arbitrum:ETH",
+  "arbitrum:USDC",
+  "robinhood:ETH",
+  "robinhood:USDG",
+  "polygon:USDC",
+  "optimism:USDC",
+  "ethereum:USDC",
+  "hyperevm:USDC",
+  "xlayer:USDC",
+  "sei:USDC",
+  "sonic:USDC",
+  "monad:USDC",
+  "avalanche:USDC",
+  "cronos:USDC",
+  "injective:USDC",
+  "linea:USDC",
+  "aptos:USDC",
+  "unichain:USDC",
+  "ink:USDC"
+]
    • changedInput schema / properties / verification_context / properties / intent / properties / from_chain / description
      Previous value: -"Source chain for the v2 route. Polygon, Optimism, Ethereum, HyperEVM, X Layer, Sei, Sonic, Monad, Avalanche, Cronos, Injective, Linea, and Aptos are source-only and cannot be used as to_chain."New value: +"Source chain for the v2 route. Polygon, Optimism, Ethereum, HyperEVM, X Layer, Sei, Sonic, Monad, Avalanche, Cronos, Injective, Linea, Aptos, Unichain, and Ink are source-only and cannot be used as to_chain."
    • changedInput schema / properties / verification_context / properties / intent / properties / from_chain / enum
      Previous value: -[
-  "solana",
-  "base",
-  "arbitrum",
-  "robinhood",
-  "polygon",
-  "optimism",
-  "ethereum",
-  "hyperevm",
-  "xlayer",
-  "sei",
-  "sonic",
-  "monad",
-  "avalanche",
-  "cronos",
-  "injective",
-  "linea",
-  "aptos"
-]New value: +[
+  "solana",
+  "base",
+  "arbitrum",
+  "robinhood",
+  "polygon",
+  "optimism",
+  "ethereum",
+  "hyperevm",
+  "xlayer",
+  "sei",
+  "sonic",
+  "monad",
+  "avalanche",
+  "cronos",
+  "injective",
+  "linea",
+  "aptos",
+  "unichain",
+  "ink"
+]
    • changedInput schema / properties / verification_context / properties / wallets / propertyNames / enum
      Previous value: -[
-  "solana",
-  "base",
-  "arbitrum",
-  "robinhood",
-  "polygon",
-  "optimism",
-  "ethereum",
-  "hyperevm",
-  "xlayer",
-  "sei",
-  "sonic",
-  "monad",
-  "avalanche",
-  "cronos",
-  "injective",
-  "linea",
-  "aptos"
-]New value: +[
+  "solana",
+  "base",
+  "arbitrum",
+  "robinhood",
+  "polygon",
+  "optimism",
+  "ethereum",
+  "hyperevm",
+  "xlayer",
+  "sei",
+  "sonic",
+  "monad",
+  "avalanche",
+  "cronos",
+  "injective",
+  "linea",
+  "aptos",
+  "unichain",
+  "ink"
+]
  2. Changed8 schema fields changed
    • changedInput schema / properties / verification_context / properties / direct_route_summary / properties / from / enum
      Previous value: -[
-  "solana:SOL",
-  "solana:USDC",
-  "solana:USDG",
-  "base:ETH",
-  "base:USDC",
-  "arbitrum:ETH",
-  "arbitrum:USDC",
-  "robinhood:ETH",
-  "robinhood:USDG",
-  "polygon:USDC",
-  "optimism:USDC",
-  "ethereum:USDC",
-  "hyperevm:USDC",
-  "xlayer:USDC",
-  "sei:USDC",
-  "sonic:USDC"
-]New value: +[
+  "solana:SOL",
+  "solana:USDC",
+  "solana:USDG",
+  "base:ETH",
+  "base:USDC",
+  "arbitrum:ETH",
+  "arbitrum:USDC",
+  "robinhood:ETH",
+  "robinhood:USDG",
+  "polygon:USDC",
+  "optimism:USDC",
+  "ethereum:USDC",
+  "hyperevm:USDC",
+  "xlayer:USDC",
+  "sei:USDC",
+  "sonic:USDC",
+  "monad:USDC",
+  "avalanche:USDC",
+  "cronos:USDC",
+  "injective:USDC",
+  "linea:USDC",
+  "aptos:USDC"
+]
    • changedInput schema / properties / verification_context / properties / direct_route_summary / properties / mode / enum
      Previous value: -[
-  "cctp_direct_composition",
-  "optimism_source_cctp",
-  "polygon_source_cctp",
-  "robinhood_across_ingress_composition",
-  "robinhood_paxos_egress_composition",
-  "robinhood_paxos_ingress_composition",
-  "same_chain_direct",
-  "same_chain_direct_composition"
-]New value: +[
+  "aptos_move_cctp_direct",
+  "cctp_direct_composition",
+  "optimism_source_cctp",
+  "polygon_source_cctp",
+  "robinhood_across_ingress_composition",
+  "robinhood_paxos_egress_composition",
+  "robinhood_paxos_ingress_composition",
+  "same_chain_direct",
+  "same_chain_direct_composition"
+]
    • changedInput schema / properties / verification_context / properties / direct_route_summary / properties / route / enum
      Previous value: -[
-  "solana:SOL->solana:USDC",
-  "solana:SOL->solana:USDG",
-  "solana:SOL->base:ETH",
-  "solana:SOL->base:USDC",
-  "solana:SOL->arbitrum:ETH",
-  "solana:SOL->arbitrum:USDC",
-  "solana:SOL->robinhood:ETH",
-  "solana:SOL->robinhood:USDG",
-  "solana:USDC->solana:SOL",
-  "solana:USDC->solana:USDG",
-  "solana:USDC->base:ETH",
-  "solana:USDC->base:USDC",
-  "solana:USDC->arbitrum:ETH",
-  "solana:USDC->arbitrum:USDC",
-  "solana:USDC->robinhood:ETH",
-  "solana:USDC->robinhood:USDG",
-  "solana:USDG->solana:SOL",
-  "solana:USDG->solana:USDC",
-  "solana:USDG->base:ETH",
-  "solana:USDG->base:USDC",
-  "solana:USDG->arbitrum:ETH",
-  "solana:USDG->arbitrum:USDC",
-  "solana:USDG->robinhood:ETH",
-  "solana:USDG->robinhood:USDG",
-  "base:ETH->solana:SOL",
-  "base:ETH->solana:USDC",
-  "base:ETH->solana:USDG",
-  "base:ETH->base:USDC",
-  "base:ETH->arbitrum:ETH",
-  "base:ETH->arbitrum:USDC",
-  "base:ETH->robinhood:ETH",
-  "base:ETH->robinhood:USDG",
-  "base:USDC->solana:SOL",
-  "base:USDC->solana:USDC",
-  "base:USDC->solana:USDG",
-  "base:USDC->base:ETH",
-  "base:USDC->arbitrum:ETH",
-  "base:USDC->arbitrum:USDC",
-  "base:USDC->robinhood:ETH",
-  "base:USDC->robinhood:USDG",
-  "arbitrum:ETH->solana:SOL",
-  "arbitrum:ETH->solana:USDC",
-  "arbitrum:ETH->solana:USDG",
-  "arbitrum:ETH->base:ETH",
-  "arbitrum:ETH->base:USDC",
-  "arbitrum:ETH->arbitrum:USDC",
-  "arbitrum:ETH->robinhood:ETH",
-  "arbitrum:ETH->robinhood:USDG",
-  "arbitrum:USDC->solana:SOL",
-  "arbitrum:USDC->solana:USDC",
-  "arbitrum:USDC->solana:USDG",
-  "arbitrum:USDC->base:ETH",
-  "arbitrum:USDC->base:USDC",
-  "arbitrum:USDC->arbitrum:ETH",
-  "arbitrum:USDC->robinhood:ETH",
-  "arbitrum:USDC->robinhood:USDG",
-  "robinhood:ETH->solana:SOL",
-  "robinhood:ETH->solana:USDC",
-  "robinhood:ETH->solana:USDG",
-  "robinhood:ETH->base:ETH",
-  "robinhood:ETH->base:USDC",
-  "robinhood:ETH->arbitrum:ETH",
-  "robinhood:ETH->arbitrum:USDC",
-  "robinhood:ETH->robinhood:USDG",
-  "robinhood:USDG->solana:SOL",
-  "robinhood:USDG->solana:USDC",
-  "robinhood:USDG->solana:USDG",
-  "robinhood:USDG->base:ETH",
-  "robinhood:USDG->base:USDC",
-  "robinhood:USDG->arbitrum:ETH",
-  "robinhood:USDG->arbitrum:USDC",
-  "robinhood:USDG->robinhood:ETH",
-  "polygon:USDC->base:USDC",
-  "polygon:USDC->arbitrum:USDC",
-  "optimism:USDC->base:USDC",
-  "optimism:USDC->arbitrum:USDC",
-  "ethereum:USDC->solana:USDC",
-  "ethereum:USDC->base:USDC",
-  "hyperevm:USDC->solana:USDC",
-  "hyperevm:USDC->base:USDC",
-  "xlayer:USDC->solana:USDC",
-  "xlayer:USDC->base:USDC",
-  "sei:USDC->solana:USDC",
-  "sei:USDC->base:USDC",
-  "sonic:USDC->solana:USDC",
-  "sonic:USDC->base:USDC"
-]New value: +[
+  "solana:SOL->solana:USDC",
+  "solana:SOL->solana:USDG",
+  "solana:SOL->base:ETH",
+  "solana:SOL->base:USDC",
+  "solana:SOL->arbitrum:ETH",
+  "solana:SOL->arbitrum:USDC",
+  "solana:SOL->robinhood:ETH",
+  "solana:SOL->robinhood:USDG",
+  "solana:USDC->solana:SOL",
+  "solana:USDC->solana:USDG",
+  "solana:USDC->base:ETH",
+  "solana:USDC->base:USDC",
+  "solana:USDC->arbitrum:ETH",
+  "solana:USDC->arbitrum:USDC",
+  "solana:USDC->robinhood:ETH",
+  "solana:USDC->robinhood:USDG",
+  "solana:USDG->solana:SOL",
+  "solana:USDG->solana:USDC",
+  "solana:USDG->base:ETH",
+  "solana:USDG->base:USDC",
+  "solana:USDG->arbitrum:ETH",
+  "solana:USDG->arbitrum:USDC",
+  "solana:USDG->robinhood:ETH",
+  "solana:USDG->robinhood:USDG",
+  "base:ETH->solana:SOL",
+  "base:ETH->solana:USDC",
+  "base:ETH->solana:USDG",
+  "base:ETH->base:USDC",
+  "base:ETH->arbitrum:ETH",
+  "base:ETH->arbitrum:USDC",
+  "base:ETH->robinhood:ETH",
+  "base:ETH->robinhood:USDG",
+  "base:USDC->solana:SOL",
+  "base:USDC->solana:USDC",
+  "base:USDC->solana:USDG",
+  "base:USDC->base:ETH",
+  "base:USDC->arbitrum:ETH",
+  "base:USDC->arbitrum:USDC",
+  "base:USDC->robinhood:ETH",
+  "base:USDC->robinhood:USDG",
+  "arbitrum:ETH->solana:SOL",
+  "arbitrum:ETH->solana:USDC",
+  "arbitrum:ETH->solana:USDG",
+  "arbitrum:ETH->base:ETH",
+  "arbitrum:ETH->base:USDC",
+  "arbitrum:ETH->arbitrum:USDC",
+  "arbitrum:ETH->robinhood:ETH",
+  "arbitrum:ETH->robinhood:USDG",
+  "arbitrum:USDC->solana:SOL",
+  "arbitrum:USDC->solana:USDC",
+  "arbitrum:USDC->solana:USDG",
+  "arbitrum:USDC->base:ETH",
+  "arbitrum:USDC->base:USDC",
+  "arbitrum:USDC->arbitrum:ETH",
+  "arbitrum:USDC->robinhood:ETH",
+  "arbitrum:USDC->robinhood:USDG",
+  "robinhood:ETH->solana:SOL",
+  "robinhood:ETH->solana:USDC",
+  "robinhood:ETH->solana:USDG",
+  "robinhood:ETH->base:ETH",
+  "robinhood:ETH->base:USDC",
+  "robinhood:ETH->arbitrum:ETH",
+  "robinhood:ETH->arbitrum:USDC",
+  "robinhood:ETH->robinhood:USDG",
+  "robinhood:USDG->solana:SOL",
+  "robinhood:USDG->solana:USDC",
+  "robinhood:USDG->solana:USDG",
+  "robinhood:USDG->base:ETH",
+  "robinhood:USDG->base:USDC",
+  "robinhood:USDG->arbitrum:ETH",
+  "robinhood:USDG->arbitrum:USDC",
+  "robinhood:USDG->robinhood:ETH",
+  "polygon:USDC->base:USDC",
+  "polygon:USDC->arbitrum:USDC",
+  "optimism:USDC->base:USDC",
+  "optimism:USDC->arbitrum:USDC",
+  "ethereum:USDC->solana:USDC",
+  "ethereum:USDC->base:USDC",
+  "hyperevm:USDC->solana:USDC",
+  "hyperevm:USDC->base:USDC",
+  "xlayer:USDC->solana:USDC",
+  "xlayer:USDC->base:USDC",
+  "sei:USDC->solana:USDC",
+  "sei:USDC->base:USDC",
+  "sonic:USDC->solana:USDC",
+  "sonic:USDC->base:USDC",
+  "monad:USDC->solana:USDC",
+  "monad:USDC->base:USDC",
+  "avalanche:USDC->solana:USDC",
+  "avalanche:USDC->base:USDC",
+  "cronos:USDC->solana:USDC",
+  "cronos:USDC->base:USDC",
+  "injective:USDC->solana:USDC",
+  "injective:USDC->base:USDC",
+  "linea:USDC->solana:USDC",
+  "linea:USDC->base:USDC",
+  "aptos:USDC->solana:USDC",
+  "aptos:USDC->base:USDC"
+]
    • changedInput schema / properties / verification_context / properties / direct_route_summary / properties / steps / items / properties / from / enum
      Previous value: -[
-  "solana:SOL",
-  "solana:USDC",
-  "solana:USDG",
-  "base:ETH",
-  "base:USDC",
-  "arbitrum:ETH",
-  "arbitrum:USDC",
-  "robinhood:ETH",
-  "robinhood:USDG",
-  "polygon:USDC",
-  "optimism:USDC",
-  "ethereum:USDC",
-  "hyperevm:USDC",
-  "xlayer:USDC",
-  "sei:USDC",
-  "sonic:USDC"
-]New value: +[
+  "solana:SOL",
+  "solana:USDC",
+  "solana:USDG",
+  "base:ETH",
+  "base:USDC",
+  "arbitrum:ETH",
+  "arbitrum:USDC",
+  "robinhood:ETH",
+  "robinhood:USDG",
+  "polygon:USDC",
+  "optimism:USDC",
+  "ethereum:USDC",
+  "hyperevm:USDC",
+  "xlayer:USDC",
+  "sei:USDC",
+  "sonic:USDC",
+  "monad:USDC",
+  "avalanche:USDC",
+  "cronos:USDC",
+  "injective:USDC",
+  "linea:USDC",
+  "aptos:USDC"
+]
    • changedInput schema / properties / verification_context / properties / intent / properties / from_chain / description
      Previous value: -"Source chain for the v2 route. Polygon, Optimism, Ethereum, HyperEVM, X Layer, Sei and Sonic are source-only and cannot be used as to_chain."New value: +"Source chain for the v2 route. Polygon, Optimism, Ethereum, HyperEVM, X Layer, Sei, Sonic, Monad, Avalanche, Cronos, Injective, Linea, and Aptos are source-only and cannot be used as to_chain."
    • changedInput schema / properties / verification_context / properties / intent / properties / from_chain / enum
      Previous value: -[
-  "solana",
-  "base",
-  "arbitrum",
-  "robinhood",
-  "polygon",
-  "optimism",
-  "ethereum",
-  "hyperevm",
-  "xlayer",
-  "sei",
-  "sonic"
-]New value: +[
+  "solana",
+  "base",
+  "arbitrum",
+  "robinhood",
+  "polygon",
+  "optimism",
+  "ethereum",
+  "hyperevm",
+  "xlayer",
+  "sei",
+  "sonic",
+  "monad",
+  "avalanche",
+  "cronos",
+  "injective",
+  "linea",
+  "aptos"
+]
    • changedInput schema / properties / verification_context / properties / wallets / additionalProperties / description
      Previous value: -"Caller-owned public wallet address: 0x plus 40 hex characters for EVM, or 32-44 base58 characters for Solana. Never provide secret key material."New value: +"Caller-owned public wallet address: 0x plus 40 hex characters for EVM, 0x plus 64 hex characters for Aptos, or 32-44 base58 characters for Solana. Never provide secret key material."
    • changedInput schema / properties / verification_context / properties / wallets / propertyNames / enum
      Previous value: -[
-  "solana",
-  "base",
-  "arbitrum",
-  "robinhood",
-  "polygon",
-  "optimism",
-  "ethereum",
-  "hyperevm",
-  "xlayer",
-  "sei",
-  "sonic"
-]New value: +[
+  "solana",
+  "base",
+  "arbitrum",
+  "robinhood",
+  "polygon",
+  "optimism",
+  "ethereum",
+  "hyperevm",
+  "xlayer",
+  "sei",
+  "sonic",
+  "monad",
+  "avalanche",
+  "cronos",
+  "injective",
+  "linea",
+  "aptos"
+]
  3. First observed

TDQS

A3.9/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare idempotent=true, readOnly=false, destructive=false, so the safety profile is covered. The description adds real behavioral context beyond them: it advances the workflow, the next current_action gets deeply verified with a wallet handoff, and AssetFare never signs or submits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four short sentences, front-loaded with the action and effect, then an example, then the non-custodial guarantee. Dense but essentially waste-free; 'deeply verified' is the only slightly vague phrase.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, so return values need not be explained, and the description covers the essential behavioral facts (idempotency, workflow advancement, wallet handoff, no server signing). Minor gaps remain around what happens on a failed or duplicate observation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the baseline is 3. The description's example loosely maps the call to the output hash, a fresh idempotency key, and the original verification_context, but adds no format or constraint detail beyond what the schema already documents.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Record an already-produced bridge or destination output') plus the side effect of advancing the workflow. It clearly contrasts with the source-side sibling through the word 'output', though it never names assetfare_v2_session_observe_source explicitly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The trigger condition is clear: use this once a bridge/destination output already exists outside AssetFare. The worked example (output hash, new idempotency key, original verification_context) tells an agent exactly what a call looks like, but there is no explicit when-not or alternative routing.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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