Schema | onchain-mcp

onchain-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`SOLANA_RPC_URL`	No	Custom Solana RPC URL (default: https://api.mainnet-beta.solana.com)
`JUPITER_PRICE_API`	No	Custom Jupiter price API URL (optional)

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": false }
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
get_sol_balanceA	Get the native SOL balance of a Solana account. Args: address: Base58-encoded account/wallet address. Returns a dict with the raw `lamports` and human-readable `sol`.
get_token_holdingsA	List the non-zero SPL token balances held by a Solana wallet. Args: address: Base58-encoded wallet address. Returns a dict with a `tokens` list of {mint, amount, decimals, ui_amount}.
get_token_priceB	Get the USD price of an SPL token by its mint address (via Jupiter). Args: mint: Base58-encoded token mint (e.g. the USDC or SOL mint). Returns {mint, price_usd, found}.
get_transactionA	Summarize a Solana transaction by its signature. Args: signature: Base58-encoded transaction signature. Returns slot, block_time, fee, error status, and log messages.
get_account_infoA	Get basic on-chain info for an account: owner program, lamports, executable flag.
get_token_supplyA	Get the total on-chain supply of an SPL token mint. Args: mint: Base58-encoded token mint address. Returns {mint, amount (raw), decimals, ui_amount}.
get_recent_signaturesA	List the most recent transaction signatures touching an account. Args: address: Base58-encoded account/wallet address. limit: Max number of signatures (1-100, default 10). Returns {address, count, signatures: [{signature, slot, block_time, succeeded}]}.
get_epoch_infoA	Get current Solana network epoch/slot info (epoch, slot, block height, progress).

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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