Leaderboard/io.github.junct-bot/blockscout-mcp
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

io.github.junct-bot/blockscout-mcp

Crypto & Web3

Blockscout MCP server — 56 tools for AI agent integration. Hosted by Junct.

45/100
Operational Score
Score Breakdown
Availability20/30
Conformance0/30
Performance25/40
Key Metrics
Uptime 30d
97.8%
P95 Latency
393.7ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Unreachable — Timeout:
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 393ms, task completion: 100%
Improvement Tips
  • -Improve uptime (currently 97.8%, target 99%+)
Skills
search

[DISCOVERY] search Returns: { items: string[], next_page_params: object }.

search_redirect

search redirect Returns: { parameter: string, redirect: boolean, type: string }.

get_txs

[DISCOVERY] get transactions Returns: { items: { timestamp: string, fee: { type: unknown, value: unknown }, gas_limit: number, block_number: number, status: string, method: string, ... }[], next_page_params: object }.

get_blocks

[DISCOVERY] get blocks Returns: { items: { base_fee_per_gas: string, burnt_fees: string, burnt_fees_percentage: number, difficulty: string, extra_data: string, gas_limit: string, ... }[], next_page_params: object }.

get_token_transfers

[DISCOVERY] get token transfers Returns: { items: { token_type: "ERC-20" | "ERC-721" | "ERC-1155" | "ERC-404", block_hash: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, log_index: number, method: string, timestamp: string, ... }[], next_page_params: object }.

get_internal_transactions

[DISCOVERY] get internal transactions Returns: { items: { block_number: number, created_contract: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, error: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, gas_limit: string, index: number, ... }[], next_page_params: object }.

get_main_page_txs

[DISCOVERY] get main page transactions

get_main_page_tokens

[DISCOVERY] get main page blocks — from Blockscout

get_indexing_status

[DISCOVERY] get indexing status Returns: { finished_indexing: boolean, finished_indexing_blocks: boolean, indexed_blocks_ratio: string, ... }.

get_stats

[DISCOVERY] get stats counters Returns: { total_blocks: string, total_addresses: string, total_transactions: string, ... }.

get_txs_chart

get transactions chart Returns: { chart_data: { date: string, transactions_count: number }[] }.

get_market_chart

get market chart Returns: { available_supply: string, chart_data: { date: string, closing_price: string, market_cap: string }[] }.

get_tx

get transaction info Returns: { timestamp: string, fee: { type: string, value: string }, gas_limit: number, ... }.

get_transaction_token_transfers

get transaction token transfers Returns: { items: { token_type: "ERC-20" | "ERC-721" | "ERC-1155" | "ERC-404", block_hash: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, log_index: number, method: string, timestamp: string, ... }[], next_page_params: object }.

get_transaction_internal_txs

get transaction internal transactions Returns: { items: { block_number: number, created_contract: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, error: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, gas_limit: string, index: number, ... }[], next_page_params: object }.

get_transaction_logs

get transaction logs Returns: { items: { address_hash: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, block_hash: string, block_number: number, data: string, decoded: { method_call: unknown, method_id: unknown, parameters: unknown }, index: number, ... }[], next_page_params: object }.

get_transaction_raw_trace

get transaction raw trace

get_transaction_state_changes

get transaction state changes Returns: { items: { token: { circulating_market_cap: unknown, icon_url: unknown, name: unknown, decimals: unknown, symbol: unknown, address_hash: unknown, ... }, type: string, is_miner: boolean, address_hash: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, balance_before: string, balance_after: string, ... }[], next_page_params: object }.

get_transaction_summary

get human-readable transaction summary Returns: { success: boolean, data: { summaries: { summary_template: string, summary_template_variables: unknown }[] } }.

get_block

get block info Returns: { base_fee_per_gas: string, burnt_fees: string, burnt_fees_percentage: number, ... }.

get_block_txs

get block transactions Returns: { items: { timestamp: string, fee: { type: unknown, value: unknown }, gas_limit: number, block_number: number, status: string, method: string, ... }[], next_page_params: object }.

get_block_withdrawals

get block withdrawals Returns: { items: { index: number, amount: string, validator_index: number, receiver: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, block_number: number, timestamp: string }[], next_page_params: object }.

get_addresses

[DISCOVERY] get native coin holders list Returns: { exchange_rate: string, total_supply: string, items: { creator_address_hash: unknown, creation_transaction_hash: unknown, token: unknown, coin_balance: unknown, exchange_rate: unknown, implementation_address: unknown, ... }[], ... }.

get_address

get address info Returns: { creator_address_hash: string, creation_transaction_hash: string, token: { circulating_market_cap: string, icon_url: string, name: string, decimals: string, symbol: string, address_hash: string, ... }, ... }.

get_address_counters

get address counters Returns: { transactions_count: string, token_transfers_count: string, gas_usage_count: string, ... }.

get_address_txs

get address transactions Returns: { items: { timestamp: string, fee: { type: unknown, value: unknown }, gas_limit: number, block_number: number, status: string, method: string, ... }[], next_page_params: object }.

get_address_token_transfers

get address token transfers Returns: { items: { token_type: "ERC-20" | "ERC-721" | "ERC-1155" | "ERC-404", block_hash: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, log_index: number, method: string, timestamp: string, ... }[], next_page_params: object }.

get_address_internal_txs

get address internal transactions Returns: { items: { block_number: number, created_contract: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, error: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, gas_limit: string, index: number, ... }[], next_page_params: object }.

get_address_logs

get address logs Returns: { items: { address_hash: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, block_hash: string, block_number: number, data: string, decoded: { method_call: unknown, method_id: unknown, parameters: unknown }, index: number, ... }[], next_page_params: object }.

get_address_blocks_validated

get blocks validated by address Returns: { items: { base_fee_per_gas: string, burnt_fees: string, burnt_fees_percentage: number, difficulty: string, extra_data: string, gas_limit: string, ... }[], next_page_params: object }.

get_address_token_balances

get all tokens balances for the address

get_address_tokens

[DISCOVERY] token balances with filtering and pagination Returns: { items: { token_instance: { is_unique: unknown, id: unknown, holder_address_hash: unknown, image_url: unknown, animation_url: unknown, external_app_url: unknown, ... }, value: string, token_id: string, token: { name: unknown, decimals: unknown, symbol: unknown, address_hash: unknown, type: unknown, holders_count: unknown, ... } }[], next_page_params: object }.

get_address_coin_balance_history

get address coin balance history Returns: { items: { transaction_hash: string, block_number: number, block_timestamp: string, delta: string, value: string }[], next_page_params: object }.

get_address_coin_balance_history_by_day

get address coin balance history by day

get_address_withdrawals

get address withdrawals Returns: { items: { index: number, amount: string, validator_index: number, receiver: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, block_number: number, timestamp: string }[], next_page_params: object }.

get_address_nft

get list of NFT owned by address Returns: { items: { is_unique: boolean, id: string, holder_address_hash: string, image_url: string, animation_url: string, external_app_url: string, ... }[], next_page_params: object }.

get_address_nft_collections

get list of NFT owned by address, grouped by collection Returns: { items: { token: { circulating_market_cap: unknown, icon_url: unknown, name: unknown, decimals: unknown, symbol: unknown, address_hash: unknown, ... }, amount: string, token_instances: unknown[] }[], next_page_params: object }.

get_tokens_list

[DISCOVERY] get tokens list Returns: { items: { circulating_market_cap: string, icon_url: string, name: string, decimals: string, symbol: string, address_hash: string, ... }[], next_page_params: object }.

get_token

get token info Returns: { circulating_market_cap: string, icon_url: string, name: string, ... }.

get_token_token_transfers

get token token transfers Returns: { items: { token_type: "ERC-20" | "ERC-721" | "ERC-1155" | "ERC-404", block_hash: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, log_index: number, method: string, timestamp: string, ... }[], next_page_params: object }.

get_token_holders

get token holders Returns: { items: { address_hash: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, value: string, token_id: string }[], next_page_params: object }.

get_token_counters

get token holders Returns: { token_holders_count: string, transfers_count: string }.

get_nft_instances

get NFT instances Returns: { items: { is_unique: boolean, id: string, holder_address_hash: string, image_url: string, animation_url: string, external_app_url: string, ... }[], next_page_params: object }.

get_nft_instance

get NFT instance by id Returns: { is_unique: boolean, id: string, holder_address_hash: string, ... }. PREREQUISITE: You MUST first call a listing/map endpoint to resolve asset identifiers (id, slug, symbol) before calling data endpoints.

get_nft_instance_transfers

get transfers of NFT instance Returns: { items: { token_type: "ERC-20" | "ERC-721" | "ERC-1155" | "ERC-404", block_hash: string, from: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, log_index: number, method: string, timestamp: string, ... }[], next_page_params: object }. PREREQUISITE: You MUST first call a listing/map endpoint to resolve asset identifiers (id, slug, symbol) before calling data endpoints.

get_token_instance_holders

get token instance holders Returns: { items: { address_hash: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, value: string, token_id: string }[], next_page_params: object }. PREREQUISITE: You MUST first call a listing/map endpoint to resolve asset identifiers (id, slug, symbol) before calling data endpoints.

get_nft_instance_transfers_count

get transfers count of NFT instance Returns: { transfers_count: number }. PREREQUISITE: You MUST first call a listing/map endpoint to resolve asset identifiers (id, slug, symbol) before calling data endpoints.

refetch_token_instance_metadata

[DISCOVERY] re-fetch token instance metadata Returns: { message: string }.

get_smart_contracts

[DISCOVERY] get verified smart contracts Returns: { items: { address_hash: { hash: unknown, implementation_name: unknown, name: unknown, ens_domain_name: unknown, metadata: unknown, is_contract: unknown, ... }, coin_balance: string, compiler_version: string, language: string, has_constructor_args: boolean, optimization_enabled: boolean, ... }[], next_page_params: object }.

get_smart_contracts_counters

[DISCOVERY] get verified smart contracts counters Returns: { new_smart_contracts_24h: string, new_verified_smart_contracts_24h: string, smart_contracts: string, ... }.

Recent Probe Results
TimestampStatusLatencyConformance
Apr 2, 2026timeout0msFail
Apr 2, 2026timeout0msFail
Apr 2, 2026timeout0msFail
Apr 2, 2026timeout0msFail
Apr 2, 2026timeout0msFail
Apr 2, 2026success175.5msPass
Apr 2, 2026success278.8msPass
Apr 2, 2026success370.5msPass
Apr 2, 2026success157.3msPass
Apr 2, 2026success299.4msPass
Source Registries
mcp-registry
First Seen
Mar 25, 2026
Last Seen
Apr 1, 2026
Last Probed
Apr 2, 2026