NodeFlare
About
Blockchain JSON-RPC on 23 EVM chains for AI agents (MCP server). Free reads, or x402 pay-per-call. npx -y nodeflare-mcp
Details
- Author
- Nodeflare-app
- Downloads
- 243
- Categories
- Cloud Service, AI
Jump to
- NodeFlare — free API key, 3M CU/month
- x402 pay-per-request — pricing and how it works
- Docs · Status · Discord
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
NodeFlareCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
The README includes setup instructions such as "command": "npx",.
list_chains
List the 23 EVM chains NodeFlare serves, with chain IDs and endpoint URLs.
get_block_number
Get the latest block number on a chain (decimal and hex).
get_balance
Get the native-token balance of an address — raw wei plus a human-readable amount in the chain's native currency. The address may be an ENS name (e.g. 'vitalik.eth').
get_transaction_receipt
Get the receipt of a transaction by hash (status, logs, gas used).
eth_call
Execute a read-only contract call (eth_call) and return the raw result.
get_logs
Fetch contract event logs (eth_getLogs). Heavy method: needs NODEFLARE_API_KEY or an x402 wallet (X402_PRIVATE_KEY) — costs ~$0.001 via x402.
rpc_call
Make any JSON-RPC call on any supported chain. Heavy methods (eth_getLogs, trace_*, debug_*) need NODEFLARE_API_KEY or an x402 wallet.
get_transaction
Get a transaction by its hash (from, to, value, input, block, gas).
get_block
Get a block by number or tag (e.g. 'latest', 'finalized', or a hex number). Set fullTransactions to include full tx objects instead of hashes.
get_gas_price
Get current gas pricing on a chain: base gas price and the suggested priority fee (EIP-1559), both in wei (hex).
get_token_balance
Get an ERC-20 token balance for an address, returned both raw and human-readable (uses the token's decimals and symbol).
get_token_metadata
Get ERC-20 token metadata: name, symbol, decimals and total supply (raw + human-readable).
resolve_ens
Resolve an ENS name to an address (forward), or a 0x-address to its primary ENS name (reverse). ENS is read from Ethereum mainnet.
get_multichain_balances
Get native + ERC-20 token balances for one address across many of the 23 EVM chains in a SINGLE call — including young chains (Robinhood, Plasma, Ink) that Alchemy/Moralis omit. With an x402 wallet (X402_PRIVATE_KEY) this is paid per request (~$0.0003/chain); otherwise it uses the free public tier.
get_token_allowances
ERC-20 approvals a wallet has granted (what it approved and for how much) across many of the 23 EVM chains in ONE call — including young chains (Robinhood, Plasma, Ink) that revoke.cash-style tools skip. Scans Approval logs, reads the live allowance, drops revoked ones, flags unlimited approvals. Heavy: needs NODEFLARE_API_KEY or X402_PRIVATE_KEY.
get_wallet_report
The full agent-ready 'know this wallet' report in ONE call: native + ERC-20 balances (USD-priced), a rolled-up total + top holdings, AND the active token approvals (revoke risk) across many of the 23 EVM chains — including young chains big indexers skip. The approvals half is heavy: needs NODEFLARE_API_KEY or X402_PRIVATE_KEY (balances/USD come back either way).
check_token_safety
Risk-check an ERC-20 before trading it: metadata, contract + ownership status, upgradeable-proxy detection, holder concentration, and a transfer/honeypot simulation → risk signals + a score. The deep checks (concentration, honeypot) are heavy: needs NODEFLARE_API_KEY or X402_PRIVATE_KEY. Works on young chains (Zircuit, Robinhood, Plasma, Ink) that big indexers leave empty.
simulate_transaction
Transaction pre-flight on one chain: will this tx revert (and why), how much gas, and which tokens/ETH move? The asset-change tracing is heavy: needs NODEFLARE_API_KEY or X402_PRIVATE_KEY (revert/gas come back either way). Built for agents checking a tx before broadcasting.
onchain_answer
Onchain Answer Engine: ask a plain-English question about any wallet or token across the 23 EVM chains and get back a CITED verdict in one call — 'is token 0x… on <chain> a scam?', 'what does wallet 0x… hold?'. NodeFlare plans the on-chain lookups, runs them on its own nodes, and synthesizes a sourced answer. Paid: needs NODEFLARE_API_KEY or X402_PRIVATE_KEY (no free anonymous tier — it runs on a GPU).
get_token_price
Current USD price of an ERC-20 token from DefiLlama (free, keyless): price + symbol + confidence, or null for unlisted/thin-market tokens. Well-covered chains only (eth, base, bnb, arb, op, avax, polygon, linea, mantle, sonic, unichain, sei, cronos).
compare_gas
Compare current gas price ACROSS chains in one call — gwei per chain, cheapest first, so an agent can pick where to transact. Defaults to the majors (eth, base, arb, op, bnb, polygon); pass chains to override.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"nodeflare": {
"nodeflare": {
"command": "npx",
"args": [
"-y",
"nodeflare-mcp"
]
}
}
}
}McpServers
{
"nodeflare": {
"command": "npx",
"args": [
"-y",
"nodeflare-mcp"
]
}
}Blockchain JSON-RPC on 23 EVM chains for AI agents (MCP server). Free reads, or x402 pay-per-call. npx -y nodeflare-mcp
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