Schema | Hedwig

Hedwig

Describes the environment variables required to run the server.

Name	Required	Description	Default
`NETWORK`	No	`hedera-testnet` or `hedera-mainnet`	hedera-testnet
`MAX_PER_DAY`	No	Highest USDC amount the wallet will spend per UTC day	20.00
`MAX_PER_CALL`	No	Highest USDC amount the wallet will spend at a time	0.10
`HEDERA_ACCOUNT_ID`	Yes	Your Hedera account ID, e.g. `0.0.12345`
`HEDERA_PRIVATE_KEY`	Yes	ECDSA or ED25519 private key (hex or DER)

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
check_balanceA	Return HBAR and USDC balances for the configured Hedera account, plus a HashScan link. Reads from the Hedera Mirror Node REST API for reliability.
transfer_hbarA	Send HBAR from the configured account to another Hedera account. Amount is in HBAR (e.g. "0.5"), not tinybars.
transfer_usdcA	Send USDC (HTS token) from the configured account to another Hedera account. Both accounts must be associated with the USDC token.
payA	Sign an x402 payment authorization for a USDC transfer on Hedera. Returns the header value your HTTP client should attach when retrying the paid request.
x402_fetchA	Fetch a URL that may be x402-gated. If the server returns 402, sign a Hedera USDC payment, retry with the payment header, and return the final response body. Includes diagnostic info in the response for debugging.
spending_reportA	Return the current session's USDC spending summary, budget caps, and full history of x402 payments and transfers.
request_fundingA	Return a fundable receiving address for the configured Hedera account, plus a testnet faucet link (testnet only).

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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