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blocknative-mcp

MIT License

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Server Configuration

Describes the environment variables required to run the server.

Name	Required	Description	Default
`BLOCKNATIVE_API_KEY`	No	Blocknative API key required for high-frequency API access. Sign up at Blocknative to obtain a free API key.

Schema

Prompts

Interactive templates invoked by user choice

Name	Description
`gas_price_query`	Prompt template for querying gas prices at a specific confidence level and chain. Parameters: - confidence (int): The confidence level for gas price prediction (0-100). - chain_id (int): The ID of the blockchain network (e.g., 1 for Ethereum Mainnet). Default: 1.

Resources

Contextual data attached and managed by the client

Name	Description
No resources

Tools

Functions exposed to the LLM to take actions

Name	Description
predict_gas_price	Predict gas prices for a specified chain, including base fee and detailed prediction data in a Markdown table. Parameters: - chain_id (int): The ID of the blockchain network (e.g., 1 for Ethereum Mainnet). Default: 1. - ctx (Optional[Context]): The MCP context object. Default: None.
estimate_gas_cost	Estimate gas cost for a transaction based on gas limit, confidence level, and chain. Parameters: - gas_limit (int): The gas limit for the transaction (e.g., 21000 for a simple transfer). - confidence (int): The confidence level for gas price prediction (0-100). - chain_id (int): The ID of the blockchain network (e.g., 1 for Ethereum Mainnet). Default: 1. - ctx (Optional[Context]): The MCP context object. Default: None.
get_supported_chains	List the blockchain networks supported by the Blocknative Gas Platform, formatted as a Markdown table. Parameters: - ctx (Optional[Context]): The MCP context object. Default: None. Returns: - A Markdown table listing supported chains with their chain ID, system, and network.

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