How to Use the Harmonyscan (Harmony One Block Explorer API) MCP in CrewAI

Q: Can a CrewAI agent verify transaction receipts using Harmonyscan (Harmony One Block Explorer API)?

Yes, your agent calls gettxreceiptstatus to check if a transaction went through. The result is shared with the rest of the crew, letting downstream agents proceed with their assigned tasks.

Q: How do I search for contract event logs using Harmonyscan (Harmony One Block Explorer API) in CrewAI?

You assign the getlogs tool to a specialized auditor agent. The agent executes the search, parses the log data, and passes the formatted events to other team members for further analysis.

Q: Is it possible to monitor multi-wallet balances in CrewAI using Harmonyscan (Harmony One Block Explorer API)?

Yes, you can equip your financial agent with the getbalancemulti tool. The agent queries balances for multiple addresses in a single run, updating the shared memory for the entire crew.

Q: What happens if my CrewAI agent needs to run a custom JSON-RPC method?

The agent can use the proxyrequest tool to execute custom JSON-RPC methods. This ensures your crew is never blocked by the limitations of pre-defined API endpoints.

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Connect Harmonyscan (Harmony One Block Explorer API) MCP to CrewAI

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Setup Harmonyscan (Harmony One Block Explorer API) with CrewAI

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Audit Smart Contracts with Specialized Crews

Assign one agent to fetch contract parameters while another analyzes the logic. Your fetching agent uses `get_source_code` and `get_abi` to retrieve the contract's codebase from the Harmony network. The analyzing agent then reviews the code for potential vulnerabilities or compliance issues. Because CrewAI manages shared memory, the analysis happens immediately after the download completes.

Monitor Network Activity via CrewAI Agents

Set up a dedicated monitoring crew to watch the chain's health. Your researcher agent checks gas and supply levels using `get_one_price` and `get_one_supply` to evaluate network load. If congestion spikes, a moderator agent steps in to pause outgoing transactions. This team-based approach keeps operations safe from sudden gas spikes without requiring manual human oversight.

Track Whales Using this MCP Server

Keep tabs on large token movements across the network using this MCP server. A specialized tracker agent calls `get_token_tx` to identify massive HRC20 transfers in real time. Once a large transfer is flagged, the agent hands off the data to an analyst agent, who pulls the sender's history using `get_tx_list`. The entire operation runs autonomously, posting summaries directly to your team's Slack channel.

Setup guide

Set up Harmonyscan (Harmony One Block Explorer 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 Harmonyscan (Harmony One Block Explorer API) tools as needed.

crew.py

from crewai import Agent, Task, Crew

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

task = Task(
    description="List recent Harmonyscan (Harmony One Block Explorer 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="Harmonyscan (Harmony One Block Explorer API) Analyst",
        goal="Access and analyze Harmonyscan (Harmony One Block Explorer API) data via MCP.",
        backstory="Expert analyst with direct Harmonyscan (Harmony One Block Explorer API) access.",
        tools=mcp_tools,
    )

    task = Task(
        description="List recent Harmonyscan (Harmony One Block Explorer 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 Harmonyscan. 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 Harmonyscan (Harmony One Block Explorer API) MCP in CrewAI

Yes, your agent calls `get_tx_receipt_status` to check if a transaction went through. The result is shared with the rest of the crew, letting downstream agents proceed with their assigned tasks.

You assign the `get_logs` tool to a specialized auditor agent. The agent executes the search, parses the log data, and passes the formatted events to other team members for further analysis.

Yes, you can equip your financial agent with the `get_balance_multi` tool. The agent queries balances for multiple addresses in a single run, updating the shared memory for the entire crew.

The agent can use the `proxy_request` tool to execute custom JSON-RPC methods. This ensures your crew is never blocked by the limitations of pre-defined API endpoints.

No data is stored. The server acts as a stateless gateway, passing block rewards from `get_block_reward` and transactions from `get_tx_list` directly to your local crew execution environment without logging the queries.

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