Blockscout MCP Server

Official MCP server from Blockscout (blockscout org) for Blockscout — the open-source blockchain explorer for EVM-compatible chains. Provides AI agents contextual access to blockchain data including balances, transactions, tokens, smart contracts, and on-chain analytics across Ethereum and other EVM chains where Blockscout is deployed.

Evaluated Mar 06, 2026 (0d ago) vcurrent

Homepage ↗ Repo ↗ Finance blockscout blockchain ethereum web3 crypto explorer official mcp-server FINANCIAL RISK

⚙ Agent Friendliness

/ 100

Can an agent use this?

🔒 Security

/ 100

Is it safe for agents?

⚡ Reliability

/ 100

Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality

Documentation

Error Messages

Auth Simplicity

Rate Limits

🔒 Security

TLS Enforcement

Auth Strength

Scope Granularity

Dep. Hygiene

Secret Handling

Read-only blockchain data queries. No key/wallet management. HTTPS. Official open-source implementation.

⚡ Reliability

Uptime/SLA

Version Stability

Breaking Changes

Error Recovery

Best When

A development or analytics team working with EVM blockchains wants AI agents to query on-chain data — transactions, balances, contracts, tokens — through Blockscout's explorer API.

Avoid When

You need real-time price feeds or trading data (use dedicated crypto data APIs). Also note: crypto/blockchain context carries inherent financial risk.

Use Cases

• Querying wallet balances and transaction history from DeFi analysis agents
• Looking up smart contract details and interactions from development agents
• Monitoring on-chain token transfers and events from blockchain analytics agents
• Retrieving block and transaction data for blockchain audit agents

Not For

• Teams not working with EVM-compatible blockchains
• Real-time trading signals (Blockscout is explorer data, not market data)
• Bitcoin or non-EVM chain data (Ethereum/EVM focus)

Interface

REST API

Yes

GraphQL

gRPC

MCP Server

Yes ↗

SDK

Webhooks

Authentication

Methods: api_key none

OAuth: No Scopes: No

Public Blockscout instances often require no auth. Self-hosted instances may require API keys. Auth depends on the specific Blockscout deployment.

Pricing

Model: free

Free tier: Yes

Requires CC: No

Blockscout is open source (APACHE). Public instances like Ethereum mainnet explorer are free. MCP server is free open source from blockscout org.

Agent Metadata

Pagination

cursor

Idempotent

Full

Retry Guidance

Not documented

Known Gotchas

⚠ FINANCIAL RISK: Blockchain data — agents interacting with wallets or contracts must handle crypto assets carefully
⚠ Rate limits on public instances are undocumented — aggressive agents may get blocked
⚠ Data availability depends on which Blockscout instance is configured — mainnet vs testnets vary
⚠ Official from blockscout org — quality implementation but blockchain explorer APIs can be complex

Alternatives

etherscan-mcp alchemy-mcp-server moralis-mcp-server

Full Evaluation Report

Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for Blockscout MCP Server.

$99

API endpoint ↗ Agent guide ↗ Report inaccuracy

Scores are editorial opinions as of 2026-03-06.