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Allium’s MCP Server lets your AI agents query blockchain data using structured tool calls—no REST or custom glue code required. Its tools cover SQL and saved queries, schema and docs search, dashboards, realtime prices and balances, and Hyperliquid, all via the Model Context Protocol (MCP).

Quick Start

Sign in with your Allium account — no key to copy, paste, or rotate.
1

Turn on connections

Go to app.allium.so/mcp and enable Allow chatbots to connect.
2

Add the server to your client

Add https://mcp-oauth.allium.so as a custom MCP server or connector, and choose OAuth authentication if your client asks.Per-client steps for ChatGPT, Claude, and Copilot Studio are below.
3

Sign in

Your client opens Allium’s login page. Sign in with your Allium account and approve access.
4

Start Querying

Ask your agent to query blockchain data—it now has access to chains via Allium.
Building with a coding agent or in CI? Claude Code, Cursor, Codex, and other CLI tools connect with an API key instead — see API Key Authentication. One command: npx @allium-labs/mcp install.

Key Benefits

Structured Tool Calls

No REST API glue code needed—agents use standard MCP tool calls

Schema Discovery

Semantic search and introspection of Allium’s data schemas

Universal Compatibility

Works with any MCP-compatible agent framework

Production Ready

Reliable access to Allium’s enterprise-grade blockchain data

What your agent can do

SQL & queries

Run SQL, save reusable Explorer queries, choose a compute profile

Knowledge & discovery

Search schemas, docs, and analyst-built Terminal dashboards

Dashboards & sharing

Build visuals and dashboards, publish share and embed links

Realtime data

Prices, balances, transactions, DeFi positions, holdings PnL

Hyperliquid

Info, fills, orders, and orderbooks through a rate-limit-free proxy

Skills

Load Allium’s own SQL and dashboard guidance into your agent
Two habits make an agent noticeably better on Allium data: call get_skill(name="sql-optimization") before writing SQL, and call realtime_get_supported_chains once per session before any realtime tool.

Chatbots

Per-client setup for the sign-in flow.
Sign-in is the recommended path. No API key to manage, and access follows your Allium account. It requires Allow chatbots to connect to be enabled at app.allium.so/mcp.
Note: Requires ChatGPT Plus, Pro, or Team plan. MCP is not available on the free plan.ChatGPT supports MCP servers as “Apps,” letting you ask questions about on-chain data directly in your chat — no code required.
Follow these steps to connect Allium MCP to ChatGPT:
  1. Click on your username in the bottom left
  2. Go to Settings
  3. Navigate to Apps
  4. Go to Advanced Settings
  5. Select and turn on Developer Mode
  6. Click Create App
  7. Set MCP Server URL to: https://mcp-oauth.allium.so
  8. Select OAuth as authentication
That’s it! By selecting the + icon and activating the Allium MCP App, you’ll be able to instantly enhance your chats with Allium’s data.
Want support for another chatbot platform? Reach out to [email protected].

API Key Authentication

For coding agents, CLIs, and CI. Where sign-in isn’t available or a non-interactive credential is required, connect to https://mcp.allium.so with an API key. Generate one at app.allium.so/settings/api-keys.
Prefer sign-in when your client supports it — an API key is a long-lived secret you have to store and rotate, and it doesn’t need the App toggle. Both paths reach the same tools.

Automatic Setup

The fastest way to get started — works with 13+ clients:
For non-interactive environments (CI/CD, scripts):

Supported Clients

The installer supports the following clients: Claude Code, Cursor, Claude Desktop, VS Code (GitHub Copilot), Codex, Cline, RooCline, Windsurf, Warp, Gemini CLI, Goose, Zed, and Opencode.
Don’t see your client listed? Reach out to [email protected] and we’ll add support for it.

Manual Setup

If you prefer to configure manually:
Then restart Claude Code.

Plugins

Extend your agent with the allium-analyst plugin

Tools Reference

Every tool, by category

Billing & limits

Which tools cost credits, and the row and poll caps

Examples

What customers build with MCP

Run Queries

Learn how to save queries in Explorer and obtain a query ID

Explorer API

REST endpoints for running queries and retrieving results