How do I get a Covalent API Key?

Log in to your Covalent dashboard at covalenthq.com and generate an API Key. You can use the free tier to get started.

Which blockchains are supported?

Covalent supports over 100 chains including Ethereum, Polygon, BSC, Avalanche, Fantom, and many Layer 2 solutions like Arbitrum and Optimism.

Can the agent send transactions?

No, this integration is for querying data only. It provides high-granularity visibility into on-chain activities but cannot execute writes or sign transactions.

Covalent MCP Server for Claude Desktop 10 tools — connect in under 2 minutes

Name: Covalent
Availability: InStock
Author: Vinkius

modelcontextprotocol.io/quickstart/user

Built by Vinkius GDPR 10 Tools IDE

Claude Desktop is Anthropic's native application for interacting with Claude AI models on macOS and Windows. It was the first consumer application to ship with built-in MCP support, making it the reference implementation for the Model Context Protocol standard.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Covalent and 2,500+ MCP Servers from a single visual interface.

Download Free Open SourceNo signup required

Classic Setup·json

{
  "mcpServers": {
    "covalent": {
      // Your Vinkius token. get it at cloud.vinkius.com
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Covalent MCP Server

Integrate Covalent, the unified API for blockchain data, directly into your AI workflow. Access real-time and historical data across Ethereum, Polygon, Binance Smart Chain, and over 100 other supported networks using natural language.

Claude Desktop is the definitive way to connect Covalent to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 10 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.

What you can do

Wallet Insights — Retrieve token balances, historical portfolio values, and transaction history for any wallet address.
NFT Discovery — List NFT balances and metadata across supported chains.
Transaction Auditing — Get full details and log events for specific transaction hashes.
Network Monitoring — Check block details and monitor supported chain statuses.

The Covalent MCP Server exposes 10 tools through the Vinkius. Connect it to Claude Desktop in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect Covalent to Claude Desktop via MCP

Follow these steps to integrate the Covalent MCP Server with Claude Desktop.

Open Claude Desktop Settings

Go to Settings → Developer → Edit Config to open claude_desktop_config.json

Add the MCP Server

Paste the configuration above into the mcpServers section

Restart Claude Desktop

Close and reopen Claude Desktop to load the new server

Start using Covalent

Look for the 🔌 icon in the chat. your 10 tools are now available

Why Use Claude Desktop with the Covalent MCP Server

Claude Desktop by Anthropic provides unique advantages when paired with Covalent through the Model Context Protocol.

Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available

Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface

Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions

Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network

Covalent + Claude Desktop Use Cases

Practical scenarios where Claude Desktop combined with the Covalent MCP Server delivers measurable value.

Interactive data exploration: ask Claude to query DNS records, look up WHOIS data, and cross-reference results in a single conversation

Ad-hoc security audits: type a domain name and let Claude enumerate subdomains, check DNS history, and flag configuration anomalies. all through natural language

Executive briefings: generate comprehensive domain intelligence reports by asking Claude to compile findings into a formatted summary

Learning and training: new team members can explore API capabilities conversationally without needing to read documentation

Covalent MCP Tools for Claude Desktop (10)

These 10 tools become available when you connect Covalent to Claude Desktop via MCP:

get_block_details

Resolves block hashes, parent hashes, timestamps, and transaction counts for the specified chain. Get details for a specific block height

get_chains_status

Resolves block height lag, current sync status, and API availability across all supported networks. Get the current indexing status of all supported chains

get_dex_pools

Resolves liquidity pool addresses, token pairs, reserve amounts, and volume metrics for the specified DEX. List liquidity pools for a DEX on a specific chain

get_historical_portfolio

Resolves daily balances, asset valuations in USD, and historical price points for the specified wallet. Get historical daily portfolio value for a wallet address

get_nft_balances

Resolves NFT contract names, token IDs, metadata URLs, and image links across the specified blockchain network. Get NFT balances for a wallet address

get_token_balances

Resolves contract addresses, ticker symbols, token decimals, and current balances (formatted and raw) for the specified wallet and chain. Get token balances for a wallet address on a specific chain

get_token_transfers

Resolves sender/receiver addresses, transfer values, and transaction timestamps for the specified wallet. Get historical token transfers for a wallet address

get_transaction_details

Touches raw log events, decoded event parameters, and gas consumption metrics boundary. Get full details and logs for a specific transaction hash

get_transactions

Resolves transaction hashes, block heights, timestamps, and log events for the specified wallet on the given chain. Get transaction history for a wallet address

list_supported_chains

Resolves chain IDs, human-readable names, and supported features (NFTs, Dex, etc.) for each blockchain. List all blockchains supported by Covalent

Example Prompts for Covalent in Claude Desktop

Ready-to-use prompts you can give your Claude Desktop agent to start working with Covalent immediately.

"Show me the token balances for address '0x123...' on eth-mainnet."

"List the last 10 transactions for address '0x123...' on matic-mainnet."

"What are the NFT holdings for wallet '0x123...' on eth-mainnet?"

Troubleshooting Covalent MCP Server with Claude Desktop

Common issues when connecting Covalent to Claude Desktop through the Vinkius, and how to resolve them.

Server not appearing after restart

Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).

Authentication error

Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.

Tools not showing in chat

Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.

Covalent + Claude Desktop FAQ

Common questions about integrating Covalent MCP Server with Claude Desktop.

How does Claude Desktop discover MCP tools?

When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.

What happens if the MCP server is temporarily unavailable?

Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.

Can I connect multiple MCP servers simultaneously?

Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.

Is there a limit on the number of tools per server?

Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.

Does Claude Desktop support Streamable HTTP transport?

Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.