# Beaconchain

```json
{
  "name": "Beaconchain",
  "slug": "beaconchain",
  "url": "https://composio.dev/toolkits/beaconchain",
  "markdown_url": "https://composio.dev/toolkits/beaconchain.md",
  "logo_url": "https://logos.composio.dev/api/beaconchain",
  "categories": [
    "data & analytics"
  ],
  "is_composio_managed": false,
  "updated_at": "2026-05-12T10:02:35.901Z"
}
```

![Beaconchain logo](https://logos.composio.dev/api/beaconchain)

## Description

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Beaconchain MCP or direct API to analyze validator performance, track latest block proposals, monitor network participation, and surface live staking stats through natural language.

## Summary

Beaconchain is a real-time analytics platform for Ethereum 2.0's Beacon Chain. It provides detailed insights into validators, blocks, and overall network performance.

## Categories

- data & analytics

## Toolkit Details

- Tools: 37

## Images

- Logo: https://logos.composio.dev/api/beaconchain

## Authentication

- **Api Key**
  - Type: `api_key`
  - Description: Api Key authentication for beaconcha.in.
  - Setup:
    - Configure Api Key credentials for beaconcha.in.
    - Use the credentials when creating an auth config in Composio.

## Suggested Prompts

- Check if my Ethereum node is syncing
- Get health status of the beacon chain node
- Fetch details for validator ID 12345
- Show performance stats for a specific validator

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `BEACONCHAIN_GET_CHART` | Get Chart | Retrieve chart visualizations from beaconcha.in as PNG images. Use when you need visual representations of Ethereum Beacon Chain data like validator counts, staked ether, network liveness, or block statistics. |
| `BEACONCHAIN_GET_EPOCH` | Get Epoch | Retrieve aggregate metrics and status for a beacon chain epoch. Use this tool to fetch epoch-level statistics including validator counts, balances, participation rates, block counts, and various operations (slashings, deposits, exits). Supports lookup by epoch number or keywords 'latest' or 'finalized'. |
| `BEACONCHAIN_GET_ETH1_DEPOSITS_BY_TX_HASH` | Get ETH1 Deposits by Transaction Hash | Retrieve all beacon chain validator deposit events associated with a specific execution-layer transaction hash. Use this tool to inspect deposit transactions and verify deposit parameters like amount, public key, and withdrawal credentials. Returns an empty array if the transaction contains no deposit events. |
| `BEACONCHAIN_GET_ETH_STORE_DAILY` | Get ETH.Store Daily Aggregates | Retrieve ETH.Store daily aggregate metrics for Ethereum validators. Use this to analyze the average financial return validators achieved over a specific 24-hour period, including APR metrics, consensus/execution layer rewards, and balance aggregates. |
| `BEACONCHAIN_GET_EXECUTION_ADDRESS_ERC20_TOKENS` | Get ERC-20 Token Balances | Retrieve a paginated list of ERC-20 token balances for a specific Ethereum address. Use offset and limit query parameters for pagination. Returns token contract address, balance in token units, and token symbol for each ERC-20 token held by the address. |
| `BEACONCHAIN_GET_EXECUTION_BLOCK` | Get Execution Block | Retrieve one or more execution-layer blocks by block number from the Ethereum Beacon Chain. Use this tool to look up execution block details including block hash, timestamp, rewards, gas usage, transaction counts, and consensus information. Supports querying up to 100 blocks in a single request by providing block numbers as a comma-separated list. Returns an array of execution block data. If a requested block number is not found, it will be omitted from the results. |
| `BEACONCHAIN_GET_EXECUTION_PRODUCED_BLOCKS` | Get Execution Produced Blocks | Retrieve execution-layer blocks attributed to one or more producers. Use this tool to query blocks produced by specific fee recipients, proposer indices, or validator public keys. Supports comma-separated lists to query multiple producers. Returns block details including gas usage, fees, transactions, and timestamps. |
| `BEACONCHAIN_GET_LATEST_STATE` | Get Latest State | Retrieve the latest known Ethereum Beacon Chain network state. Returns current slot, epoch numbers, finalized epoch, finality delay indicator, syncing status, and ETH/USD price along with multi-currency conversion rates. Use this to check current network status and get real-time ETH pricing data. |
| `BEACONCHAIN_GET_NETWORK_PERFORMANCE` | Get Network Performance | Retrieve aggregated network performance metrics for the Ethereum Beacon Chain. Use this to analyze validator performance across attestations, proposals, and sync committee duties over a specified time window. Returns beacon scores, duty statistics, and finality information. |
| `BEACONCHAIN_GET_NODE_HEALTH` | Get Explorer Health | Check the health status of the beaconcha.in explorer service. Returns status of monitoring modules including execution layer data, consensus layer data, services, Redis, app, and API modules. Use this to verify the beaconcha.in explorer is operational before making other API calls. |
| `BEACONCHAIN_GET_QUEUES` | Get Validator Queues | Retrieve current queue metrics for Ethereum Beacon Chain validators. Use this tool to check activation queue status, exit queue status, withdrawal sweep progress, and chain finality. Returns deposit queue count and balance, exit queue count and balance, estimated processing times, and churn limits. |
| `BEACONCHAIN_GET_ROCKETPOOL_VALIDATOR` | Get Rocket Pool Validator | Retrieve Rocket Pool-specific metadata for validators including minipool status, node fee, smoothing pool status, and RPL stake metrics. Use this to access Rocket Pool protocol data such as minipool addresses, node operator information, commission rates, and reward details. Returns empty data array if the validator is not a Rocket Pool validator. |
| `BEACONCHAIN_GET_SLOT` | Get Slot | Retrieve detailed information about an Ethereum Beacon Chain slot. Use this tool to look up slot details including attestations, slashing counts, block roots, execution payload data, validator proposer, graffiti, and sync aggregate information. Supports lookup by slot number, 'latest'/'head' keywords, or block root hash. Returns comprehensive slot data including: attestation count, block roots, epoch info, execution layer details (gas, fees, transactions), proposer info, and withdrawal count. |
| `BEACONCHAIN_GET_SLOT_ATTESTATIONS` | Get Slot Attestations | Retrieve all attestations included in the beacon block for a specific slot. Use this tool to get detailed attestation data including committee participation, checkpoint information, and validator indices for attestations in a given slot. |
| `BEACONCHAIN_GET_SLOT_ATTESTER_SLASHINGS` | Get Slot Attester Slashings | Retrieve all attester slashing operations included in the beacon block for a specific slot. Use this tool to check for attester slashings at a given slot number or the latest processed slot. |
| `BEACONCHAIN_GET_SLOT_PROPOSER_SLASHINGS` | Get Slot Proposer Slashings | Retrieve all proposer slashing operations included in the beacon block for a specific slot. Use this tool to check for proposer slashings at a given slot number or the latest processed slot. |
| `BEACONCHAIN_GET_SLOT_VOLUNTARY_EXITS` | Get Slot Voluntary Exits | Retrieve all voluntary exit operations included in the beacon block for a specific slot. Use when you need to examine which validators submitted exit requests in a given slot. Returns an empty array if the slot has no voluntary exits. |
| `BEACONCHAIN_GET_SYNC_COMMITTEE` | Get Sync Committee | Retrieve the sync committee membership for a given sync period. Returns a list of 512 validator indices that participate in light-client finality for the specified period. Each sync period spans 256 epochs. Use this to determine which validators have sync committee duties during a specific period. |
| `BEACONCHAIN_GET_VALIDATOR` | Get Validator | Retrieve detailed information about an Ethereum Beacon Chain validator. Use this tool to look up validator status, balance, activation epochs, slashing status, and other details. Supports lookup by validator index or BLS public key. Returns validator data including: current status (active_online, active_offline, pending, exiting, slashed, exited), balance in Gwei, activation/exit epochs, and withdrawal credentials. |
| `BEACONCHAIN_GET_VALIDATOR_ATTESTATION_EFFICIENCY` | Get Validator Attestation Efficiency | Retrieve normalized attestation inclusion effectiveness for one or more validators. Use this tool to measure how effectively validators are getting their attestations included in the Beacon Chain. A score of 1.0 indicates perfect effectiveness (100% inclusion), while higher scores indicate lower effectiveness (max 2.0 for 0% inclusion). Supports lookup by validator index, BLS public key, or a mix of both (comma-separated, maximum 100 validators per request by default). |
| `BEACONCHAIN_GET_VALIDATOR_ATTESTATIONS` | Get Validator Attestations | Retrieve attestations observed for one or more validators within a bounded epoch window. By default, returns data for the last 100 epochs. Use when you need to check validator attestation history, verify attestation performance, or analyze missed attestations. |
| `BEACONCHAIN_GET_VALIDATOR_BALANCE_HISTORY` | Get Validator Balance History | Retrieve per-epoch balance history for one or more Ethereum Beacon Chain validators. Use optional query parameters to control the time window (latest_epoch, offset, limit). Returns an array of balance snapshots showing how validator balances changed over time, including both total balance and effective balance. Useful for tracking validator performance and generating historical balance charts. |
| `BEACONCHAIN_GET_VALIDATOR_BLS_CHANGES` | Get Validator BLS Changes | Retrieve on-chain BLS-to-execution credential change messages (EIP-4881) for validators. Use this tool to check if validators have changed their withdrawal credentials from BLS (0x00) to execution-layer addresses (0x01). |
| `BEACONCHAIN_GET_VALIDATOR_CONSENSUS_REWARDS` | Get Validator Consensus Rewards | Retrieve consensus-layer rewards for one or more validators over multiple lookback windows. Returns reward totals for the last 1, 7, 31, and 365 days, plus cumulative totals when available. All amounts are returned in gwei. Supports lookup by validator index or BLS public key. |
| `BEACONCHAIN_GET_VALIDATOR_DAILY_STATS` | Get Validator Daily Stats | Retrieve per-day statistics for a single Ethereum Beacon Chain validator by index. Returns daily balance snapshots (start/end/min/max), duty counts (proposed/missed blocks, attestations), and deposit/withdrawal activity. Use this tool to analyze validator performance over time, track balance changes, and identify issues like missed duties or slashing events. Supports filtering by day range using `start_day` and `end_day` parameters. |
| `BEACONCHAIN_GET_VALIDATOR_DEPOSITS` | Get Validator Deposits | Retrieve execution-layer deposit events for one or more validators. Use when you need to check deposit history, verify deposit amounts, or audit withdrawal credentials for validators. |
| `BEACONCHAIN_GET_VALIDATOR_EXECUTION_REWARDS` | Get Validator Execution Rewards | Retrieve execution-layer rewards (priority fees and MEV payments) for one or more validators. Values are reported in wei and include reward totals for the last 1, 7, 31, and 365 days, plus cumulative rewards since genesis when available. Accepts up to 100 validator identifiers. |
| `BEACONCHAIN_GET_VALIDATOR_INCOME_HISTORY` | Get Validator Income History | Retrieve a per-epoch income breakdown for one or more validators. Returns consensus-layer rewards/penalties in gwei and execution-layer tips in wei. Use this to analyze validator earnings over time, including attestation rewards, proposer rewards, penalties, and MEV/tips. |
| `BEACONCHAIN_GET_VALIDATOR_LEADERBOARD` | Get Validator Leaderboard | Retrieve the current top 100 validators ranked by 7-day consensus-layer rewards. Returns performance metrics including 1-day, 7-day, 31-day, 365-day, and total rewards in Gwei for each validator. Use this to identify the highest-performing validators on the Ethereum Beacon Chain over the past week. |
| `BEACONCHAIN_GET_VALIDATOR_PROPOSALS` | Get Validator Proposals | Retrieve beacon chain blocks proposed by one or more validators within a bounded epoch window. By default, returns proposals from the last 100 epochs. Use this to get proposal history for validators by their indices or public keys. |
| `BEACONCHAIN_GET_VALIDATORS_BY_DEPOSIT_ADDRESS` | Get Validators by Deposit Address | Retrieve validators that have made deposits from a specific execution-layer address. Supports ENS names which are resolved server-side. Returns validator public keys, signature validity, and validator indices for all deposits from the address. |
| `BEACONCHAIN_GET_VALIDATORS_BY_WITHDRAWAL_CREDENTIALS` | Get Validators by Withdrawal Credentials | Retrieve validators whose withdrawal credentials match the provided value or execution-layer address. Use this tool to find all validators associated with a specific withdrawal credential (32-byte hex) or Ethereum address (20-byte hex). ENS names are supported for address lookups. Results are paginated using limit and offset parameters. |
| `BEACONCHAIN_GET_VALIDATORS_PROPOSAL_LUCK` | Get Validators Proposal Luck | Retrieve proposal luck statistics for one or more Ethereum Beacon Chain validators. Use this to analyze how lucky validators have been with block proposals compared to expected rates. |
| `BEACONCHAIN_GET_VALIDATORS_QUEUE` | Get Validators Queue | Retrieve current queue metrics for validators on the Ethereum Beacon Chain. Returns counts and total effective balances for validators awaiting activation and validators scheduled to exit. Use this to monitor validator queue status and network entry/exit activity. |
| `BEACONCHAIN_GET_VALIDATOR_WITHDRAWALS` | Get Validator Withdrawals | Retrieve withdrawal operations attributed to one or more validators within a bounded epoch window. Use this tool to fetch historical withdrawal data for validators on the Ethereum Beacon Chain. The API returns withdrawals from up to 100 epochs (defaulting to the most recent 100 epochs if no epoch is specified). |
| `BEACONCHAIN_POST_VALIDATORS` | Post Validators | Retrieve validator information using a JSON request body for multiple validators. Use this when the list of identifiers is too long for the GET path parameter (up to 100 identifiers). Supports lookup by validator indices or BLS public keys. Returns validator data including status, balance, activation/exit epochs, slashing status, and withdrawal credentials. |
| `BEACONCHAIN_RESOLVE_ENS` | Resolve ENS Name or Address | Resolve ENS (Ethereum Name Service) names to addresses and vice versa. Use this tool to perform bidirectional lookups between ENS domain names and Ethereum addresses. Accepts either an ENS name (e.g., 'vitalik.eth') or an Ethereum address and returns the corresponding mapping. |

## Supported Triggers

None listed.

## Installation and MCP Setup

### Path 1: SDK Installation

#### Path 1, Step 1: Install Composio

Install the Composio SDK
```python
pip install composio_openai
```

```typescript
npm install @composio/openai
```

#### Path 1, Step 2: Initialize Composio and Create Tool Router Session

Import and initialize Composio client, then create a Tool Router session
```python
from openai import OpenAI
from composio import Composio
from composio_openai import OpenAIResponsesProvider

composio = Composio(provider=OpenAIResponsesProvider())
openai = OpenAI()
session = composio.create(user_id='your-user-id')
```

```typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
```

#### Path 1, Step 3: Execute Beaconchain Tools via Tool Router with Your Agent

Get tools from Tool Router session and execute Beaconchain actions with your Agent
```python
tools = session.tools
response = openai.responses.create(
  model='gpt-4.1',
  tools=tools,
  input=[{
    'role': 'user',
    'content': 'Check the health status of the Ethereum beacon node.'
  }]
)
result = composio.provider.handle_tool_calls(
  response=response,
  user_id='your-user-id'
)
print(result)
```

```typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'Check the health status of the Ethereum beacon node.'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
```

### Path 2: MCP Server Setup

#### Path 2, Step 1: Install Composio

Install the Composio SDK and Claude Agent SDK
```python
pip install composio claude-agent-sdk
```

```typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
```

#### Path 2, Step 2: Create Tool Router Session

Initialize the Composio client and create a Tool Router session
```python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')
session = composio.create(user_id='your-user-id')
url = session.mcp.url
```

```typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });

console.log("Creating Tool Router session...");
const { mcp } = await composio.create('your-user-id');
console.log(`Tool Router session created: ${mcp.url}`);
```

#### Path 2, Step 3: Connect to AI Agent

Use the MCP server with your AI agent
```python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to Beaconchain tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Check the health of the current Ethereum node')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
```

```typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText, stepCountIs } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: mcp.url,
    headers: { 'x-api-key': 'your-composio-api-key' }
  }
});

const tools = await client.tools();

const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{ role: 'user', content: 'Check the health of the current Ethereum node' }],
  stopWhen: stepCountIs(5)
});

console.log(`Agent: ${text}`);
```

## Why Use Composio?

### 1. AI Native Beaconchain Integration

- Supports both Beaconchain MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable tool execution
- Rich coverage for reading, writing, and querying your Beaconchain data

### 2. Managed Auth

- Built-in API key management and secure handling for Beaconchain
- Central place to manage, scope, and revoke Beaconchain access
- Per user and per environment credentials instead of hard-coded keys

### 3. Agent Optimized Design

- Tools are tuned using real error and success rates to improve reliability over time
- Comprehensive execution logs so you always know what ran, when, and on whose behalf

### 4. Enterprise Grade Security

- Fine-grained RBAC so you control which agents and users can access Beaconchain
- Scoped, least privilege access to Beaconchain resources
- Full audit trail of agent actions to support review and compliance

## Use Beaconchain with any AI Agent Framework

Choose a framework you want to connect Beaconchain with:

- [OpenAI Agents SDK](https://composio.dev/toolkits/beaconchain/framework/open-ai-agents-sdk)
- [Claude Agent SDK](https://composio.dev/toolkits/beaconchain/framework/claude-agents-sdk)
- [Claude Code](https://composio.dev/toolkits/beaconchain/framework/claude-code)
- [Claude Cowork](https://composio.dev/toolkits/beaconchain/framework/claude-cowork)
- [Codex](https://composio.dev/toolkits/beaconchain/framework/codex)
- [OpenClaw](https://composio.dev/toolkits/beaconchain/framework/openclaw)
- [Hermes](https://composio.dev/toolkits/beaconchain/framework/hermes-agent)
- [Google ADK](https://composio.dev/toolkits/beaconchain/framework/google-adk)
- [LangChain](https://composio.dev/toolkits/beaconchain/framework/langchain)
- [Vercel AI SDK](https://composio.dev/toolkits/beaconchain/framework/ai-sdk)
- [Mastra AI](https://composio.dev/toolkits/beaconchain/framework/mastra-ai)
- [LlamaIndex](https://composio.dev/toolkits/beaconchain/framework/llama-index)
- [CrewAI](https://composio.dev/toolkits/beaconchain/framework/crew-ai)
- [Pydantic AI](https://composio.dev/toolkits/beaconchain/framework/pydantic-ai)
- [AutoGen](https://composio.dev/toolkits/beaconchain/framework/autogen)

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## Frequently Asked Questions

### Do I need my own developer credentials to use Beaconchain with Composio?

Yes, Beaconchain requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

### Can I use multiple toolkits together?

Yes! Composio's Tool Router enables agents to use multiple toolkits. [Learn more](https://docs.composio.dev/tool-router/overview).

### Is Composio secure?

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. [Learn more](https://trust.composio.dev).

### What if the API changes?

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

---
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