How to Use the Ankr (Web3 Node API) MCP in CrewAI

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Connect Ankr (Web3 Node API) MCP to CrewAI

Create your Vinkius account to connect Ankr (Web3 Node API) to CrewAI and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Ankr (Web3 Node API) with CrewAI

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Claude

Perplexity

CrewAI Multi-Agent Research

Assign one agent to `ankr_getBlocks` for data gathering while another agent analyzes the results. Your crew works together to track chain activity or protocol changes. Specialized agents share the load. One agent focuses on querying the network, while the other interprets the findings for your final report.

Autonomous Blockchain Monitoring

Use `eth_getBlockByNumber` to keep your monitoring agents synced with the latest network state. Your crew automatically flags anomalies or interesting transactions. This keeps your operations running 24/7 without manual input. The agents check the blocks, compare findings, and report only what matters to you.

Transaction and Account Oversight

Empower your agents to check `eth_getTransactionByHash` for audit purposes. You can build a crew that validates transaction history across multiple blocks. This gives your team a clear picture of what happened on-chain. Your agents handle the heavy lifting of parsing raw transaction data into human-readable insights.

Setup guide

Set up Ankr (Web3 Node API) MCP in CrewAI

Prerequisites

Python 3.10+ installed
crewai package (pip install crewai)
Active Vinkius subscription with a valid endpoint token

1

Install CrewAI
Run pip install crewai to install the framework. MCP support is built-in via the mcps parameter.
2

Add the MCP URL to your agent
Pass your Vinkius endpoint directly to the mcps list. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. CrewAI handles tool discovery and caching automatically.
3

Kick off your crew
Create a Crew with your agent and tasks. Call crew.kickoff() — the agent will automatically invoke Ankr (Web3 Node API) tools as needed.

crew.py

from crewai import Agent, Task, Crew

agent = Agent(
    role="Ankr (Web3 Node API) Analyst",
    goal="Access and analyze Ankr (Web3 Node API) data via MCP.",
    backstory="Expert analyst with direct Ankr (Web3 Node API) access.",
    mcps=[
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ],
)

task = Task(
    description="List recent Ankr (Web3 Node API) transactions",
    agent=agent,
    expected_output="A summary of recent activity",
)

crew = Crew(agents=[agent], tasks=[task])
result = crew.kickoff()
print(result)

Get your connection token →

Prerequisites

Python 3.10+ installed
crewai + crewai-tools packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run pip install crewai crewai-tools. The MCPServerAdapter handles lifecycle management and tool conversion.
2

Connect with MCPServerAdapter
Use MCPServerAdapter as a context manager with SseServerParameters pointing to your Vinkius endpoint. The adapter automatically manages connection lifecycle.
3

Assign tools and run
Pass the returned mcp_tools to your agent's tools parameter. The adapter converts MCP tools to native BaseTool objects compatible with all CrewAI agents.

crew.py

from crewai import Agent, Task, Crew
from crewai_tools import MCPServerAdapter
from mcp import SseServerParameters

server_params = SseServerParameters(
    url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)

with MCPServerAdapter(server_params) as mcp_tools:
    agent = Agent(
        role="Ankr (Web3 Node API) Analyst",
        goal="Access and analyze Ankr (Web3 Node API) data via MCP.",
        backstory="Expert analyst with direct Ankr (Web3 Node API) access.",
        tools=mcp_tools,
    )

    task = Task(
        description="List recent Ankr (Web3 Node API) transactions",
        agent=agent,
        expected_output="A summary of recent activity",
    )

    crew = Crew(agents=[agent], tasks=[task])
    result = crew.kickoff()
    print(result)

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Ankr. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Ankr (Web3 Node API) MCP in CrewAI

Pass the server URL to your agent definition in the mcps list. Your agents will then be able to call the tools directly.

Yes, different agents in your crew can share the same tools. This allows them to collaborate on complex blockchain data analysis tasks.

It supports stdio, SSE, and Streamable HTTP. You choose the connection method that fits your local or cloud environment.

Your agents can share access to the server as long as they are part of the same crew. The server handles concurrent requests efficiently.

It only retrieves public data such as block heights, transaction receipts, and contract code. It never touches sensitive keys or your private account files.

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