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Substrate MCP Server
Supports UIby thomasmarches
MCP server for Substrate blockchains, enabling AI agents to query balances, blocks, and execute transactions.
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Works in:Cursor
Exposes:Tools
What it does
This server connects AI agents to Substrate-based blockchains. It allows LLMs to interact with on-chain data and perform blockchain operations using natural language, interfacing directly via the subxt crate.
Tools
- query_balance: Fetch the balance of a specific account
- list_pallets: List all pallets available in the runtime
- list_pallet_entries: List all storage entries for a given pallet
- dynamic_runtime_call: Execute a runtime API call
- send_dynamic_signed_transaction: Construct, sign, and send a blockchain transaction
- query_storage: Query storage by pallet and entry
- get_latest_events: Retrieve all events from the latest block
- find_events: Search for specific events by pallet and variant
- get_latest_block: Get details of the most recent block
- get_block_by_hash: Retrieve block details using a specific hash
- find_extrinsics: Find extrinsics in the latest block
- get_system_info: Get system information via RPC
- custom_rpc: Make custom RPC calls to the Substrate node
Installation
Build the release binary:
cargo build --release
Configure your .env with RPC_URL and SIGNING_KEYPAIR_HEX, and ensure artifacts/metadata.scale is present.
Supported hosts
- Cursor
- Claude Desktop
Quick install
cargo run --releaseInformation
- Pricing
- free
- Published
