Server Details
Provide AI agents and automation tools with contextual access to blockchain data including balance…
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- blockscout/mcp-server
- GitHub Stars
- 27
- Server Listing
- Blockscout MCP Server
Available Tools
18 toolsdirect_api_callTry in Inspector
Call a raw Blockscout API endpoint for advanced or chain-specific data.
Do not include query strings in ``endpoint_path``; pass all query parameters via
``query_params`` to avoid double-encoding.
**SUPPORTS PAGINATION**: If response includes 'pagination' field,
use the provided next_call to get additional pages.
Returns:
ToolResponse[Any]: Must return ToolResponse[Any] (not ToolResponse[BaseModel])
because specialized handlers can return lists or other types that don't inherit
from BaseModel. The dispatcher system supports flexible data structures.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| cursor | No | The pagination cursor from a previous response to get the next page of results. | |
| chain_id | Yes | The ID of the blockchain | |
| query_params | No | Optional query parameters forwarded to the Blockscout API. | |
| endpoint_path | Yes | The Blockscout API path to call (e.g., '/api/v2/stats'); do not include query strings. |
get_address_by_ens_nameTry in Inspector
Useful for when you need to convert an ENS domain name (e.g. "blockscout.eth") to its corresponding Ethereum address.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| name | Yes | ENS domain name to resolve |
get_address_infoTry in Inspector
Get comprehensive information about an address, including:
- Address existence check
- Native token (ETH) balance (provided as is, without adjusting by decimals)
- ENS name association (if any)
- Contract status (whether the address is a contract, whether it is verified)
- Proxy contract information (if applicable): determines if a smart contract is a proxy contract (which forwards calls to implementation contracts), including proxy type and implementation addresses
- Token details (if the contract is a token): name, symbol, decimals, total supply, etc.
Essential for address analysis, contract investigation, token research, and DeFi protocol analysis.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Address to get information about | |
| chain_id | Yes | The ID of the blockchain |
get_block_infoTry in Inspector
Get block information like timestamp, gas used, burnt fees, transaction count etc. Can optionally include the list of transaction hashes contained in the block. Transaction hashes are omitted by default; request them only when you truly need them, because on high-traffic chains the list may exhaust the context.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| chain_id | Yes | The ID of the blockchain | |
| number_or_hash | Yes | Block number or hash | |
| include_transactions | No | If true, includes a list of transaction hashes from the block. |
get_chains_listTry in Inspector
Get the list of known blockchain chains with their IDs. Useful for getting a chain ID when the chain name is known. This information can be used in other tools that require a chain ID to request information.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
get_contract_abiTry in Inspector
Get smart contract ABI (Application Binary Interface). An ABI defines all functions, events, their parameters, and return types. The ABI is required to format function calls or interpret contract data.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Smart contract address | |
| chain_id | Yes | The ID of the blockchain |
get_latest_blockTry in Inspector
Get the latest indexed block number and timestamp, which represents the most recent state of the blockchain. No transactions or token transfers can exist beyond this point, making it useful as a reference timestamp for other API calls.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| chain_id | Yes | The ID of the blockchain |
get_tokens_by_addressTry in Inspector
Get comprehensive ERC20 token holdings for an address with enriched metadata and market data.
Returns detailed token information including contract details (name, symbol, decimals), market metrics (exchange rate, market cap, volume), holders count, and actual balance (provided as is, without adjusting by decimals).
Essential for portfolio analysis, wallet auditing, and DeFi position tracking.
**SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| cursor | No | The pagination cursor from a previous response to get the next page of results. | |
| address | Yes | Wallet address | |
| chain_id | Yes | The ID of the blockchain |
get_token_transfers_by_addressTry in Inspector
Get ERC-20 token transfers for an address within a specific time range.
Use cases:
- `get_token_transfers_by_address(address, age_from)` - get all transfers of any ERC-20 token to/from the address since the given date up to the current time
- `get_token_transfers_by_address(address, age_from, age_to)` - get all transfers of any ERC-20 token to/from the address between the given dates
- `get_token_transfers_by_address(address, age_from, age_to, token)` - get all transfers of the given ERC-20 token to/from the address between the given dates
**SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| token | No | An ERC-20 token contract address to filter transfers by a specific token. If omitted, returns transfers of all tokens. | |
| age_to | No | End date and time (e.g 2025-05-22T22:30:00.00Z). Can be omitted to get all transfers up to the current time. | |
| cursor | No | The pagination cursor from a previous response to get the next page of results. | |
| address | Yes | Address which either transfer initiator or transfer receiver | |
| age_from | No | Start date and time (e.g 2025-05-22T23:00:00.00Z). This parameter should be provided in most cases to limit transfers and avoid heavy database queries. Omit only if you absolutely need the full history. | |
| chain_id | Yes | The ID of the blockchain |
get_transaction_infoTry in Inspector
Get comprehensive transaction information.
Unlike standard eth_getTransactionByHash, this tool returns enriched data including decoded input parameters, detailed token transfers with token metadata, transaction fee breakdown (priority fees, burnt fees) and categorized transaction types.
By default, the raw transaction input is omitted if a decoded version is available to save context; request it with `include_raw_input=True` only when you truly need the raw hex data.
Essential for transaction analysis, debugging smart contract interactions, tracking DeFi operations.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| chain_id | Yes | The ID of the blockchain | |
| transaction_hash | Yes | Transaction hash | |
| include_raw_input | No | If true, includes the raw transaction input data. |
get_transaction_logsTry in Inspector
Get comprehensive transaction logs.
Unlike standard eth_getLogs, this tool returns enriched logs, primarily focusing on decoded event parameters with their types and values (if event decoding is applicable).
Essential for analyzing smart contract events, tracking token transfers, monitoring DeFi protocol interactions, debugging event emissions, and understanding complex multi-contract transaction flows.
**SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| cursor | No | The pagination cursor from a previous response to get the next page of results. | |
| chain_id | Yes | The ID of the blockchain | |
| transaction_hash | Yes | Transaction hash |
get_transactions_by_addressTry in Inspector
Retrieves native currency transfers and smart contract interactions (calls, internal txs) for an address.
**EXCLUDES TOKEN TRANSFERS**: Filters out direct token balance changes (ERC-20, etc.). You'll see calls *to* token contracts, but not the `Transfer` events. For token history, use `get_token_transfers_by_address`.
A single tx can have multiple records from internal calls; use `internal_transaction_index` for execution order.
Use cases:
- `get_transactions_by_address(address, age_from)` - get all txs to/from the address since a given date.
- `get_transactions_by_address(address, age_from, age_to)` - get all txs to/from the address between given dates.
- `get_transactions_by_address(address, age_from, age_to, methods)` - get all txs to/from the address between given dates, filtered by method.
**SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| age_to | No | End date and time (e.g 2025-05-22T22:30:00.00Z). | |
| cursor | No | The pagination cursor from a previous response to get the next page of results. | |
| address | Yes | Address which either sender or receiver of the transaction | |
| methods | No | A method signature to filter transactions by (e.g 0x304e6ade) | |
| age_from | No | Start date and time (e.g 2025-05-22T23:00:00.00Z). | |
| chain_id | Yes | The ID of the blockchain |
inspect_contract_codeTry in Inspector
Inspects a verified contract's source code or metadata.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | The address of the smart contract. | |
| chain_id | Yes | The ID of the blockchain. | |
| file_name | No | The name of the source file to inspect. If omitted, returns contract metadata and the list of source files. |
lookup_token_by_symbolTry in Inspector
Search for token addresses by symbol or name. Returns multiple potential
matches based on symbol or token name similarity. Only the first
``TOKEN_RESULTS_LIMIT`` matches from the Blockscout API are returned.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| symbol | Yes | Token symbol or name to search for | |
| chain_id | Yes | The ID of the blockchain |
nft_tokens_by_addressTry in Inspector
Retrieve NFT tokens (ERC-721, ERC-404, ERC-1155) owned by an address, grouped by collection.
Provides collection details (type, address, name, symbol, total supply, holder count) and individual token instance data (ID, name, description, external URL, metadata attributes).
Essential for a detailed overview of an address's digital collectibles and their associated collection data.
**SUPPORTS PAGINATION**: If response includes 'pagination' field, use the provided next_call to get additional pages.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| cursor | No | The pagination cursor from a previous response to get the next page of results. | |
| address | Yes | NFT owner address | |
| chain_id | Yes | The ID of the blockchain |
read_contractTry in Inspector
Calls a smart contract function (view/pure, or non-view/pure simulated via eth_call) and returns the
decoded result.
This tool provides a direct way to query the state of a smart contract.
Example:
To check the USDT balance of an address on Ethereum Mainnet, you would use the following arguments:
{
"tool_name": "read_contract",
"params": {
"chain_id": "1",
"address": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
"abi": {
"constant": true,
"inputs": [{"name": "_owner", "type": "address"}],
"name": "balanceOf",
"outputs": [{"name": "balance", "type": "uint256"}],
"payable": false,
"stateMutability": "view",
"type": "function"
},
"function_name": "balanceOf",
"args": "["0xF977814e90dA44bFA03b6295A0616a897441aceC"]"
}
}
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| abi | Yes | The JSON ABI for the specific function being called. This should be a dictionary that defines the function's name, inputs, and outputs. The function ABI can be obtained using the `get_contract_abi` tool. | |
| args | No | A JSON string containing an array of arguments. Example: "["0xabc..."]" for a single address argument, or "[]" for no arguments. Order and types must match ABI inputs. Addresses: use 0x-prefixed strings; Numbers: prefer integers (not quoted); numeric strings like "1" are also accepted and coerced to integers. Bytes: keep as 0x-hex strings. | [] |
| block | No | The block identifier to read the contract state from. Can be a block number (e.g., 19000000) or a string tag (e.g., 'latest'). Defaults to 'latest'. | latest |
| address | Yes | Smart contract address | |
| chain_id | Yes | The ID of the blockchain | |
| function_name | Yes | The symbolic name of the function to be called. This must match the `name` field in the provided ABI. |
transaction_summaryTry in Inspector
Get human-readable transaction summaries from Blockscout Transaction Interpreter.
Automatically classifies transactions into natural language descriptions (transfers, swaps, NFT sales, DeFi operations)
Essential for rapid transaction comprehension, dashboard displays, and initial analysis.
Note: Not all transactions can be summarized and accuracy is not guaranteed for complex patterns.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| chain_id | Yes | The ID of the blockchain | |
| transaction_hash | Yes | Transaction hash |
__unlock_blockchain_analysis__Try in Inspector
Unlocks access to other MCP tools.
All tools remain locked with a "Session Not Initialized" error until this
function is successfully called. Skipping this explicit initialization step
will cause all subsequent tool calls to fail.
MANDATORY FOR AI AGENTS: The returned instructions contain ESSENTIAL rules
that MUST govern ALL blockchain data interactions. Failure to integrate these
rules will result in incorrect data retrieval, tool failures and invalid
responses. Always apply these guidelines when planning queries, processing
responses or recommending blockchain actions.
COMPREHENSIVE DATA SOURCES: Provides an extensive catalog of specialized
blockchain endpoints to unlock sophisticated, multi-dimensional blockchain
investigations across all supported networks.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
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