Onchain Activity Index MCP Server

by nexus-mcp-infra Your server? Claim it

answering

Onchain Activity Index is answering right now. Last checked 6 min ago. It exposes 1 tools. Last commit 3 Sep 2026.

DeFi Protocol Activity Index -- quantitative on-chain activity metric from DefiLlama data

Uptime history 72 days of history · worst day 95%

72 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

285 ms

Response time

average over 24h

Stars

last commit 3 Sep 2026

Nothing serious here today

Today is the operative word: we check Onchain Activity Index every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add onchain-activity-index --transport http https://onchain-activity-index-325572559480.us-central1.run.app/mcp

Settings → Connectors → Add custom connector, then paste this address

https://onchain-activity-index-325572559480.us-central1.run.app/mcp

~/.codex/config.toml

[mcp_servers.onchain-activity-index]
url = "https://onchain-activity-index-325572559480.us-central1.run.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "onchain-activity-index": {
      "url": "https://onchain-activity-index-325572559480.us-central1.run.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "onchain-activity-index": {
      "type": "http",
      "url": "https://onchain-activity-index-325572559480.us-central1.run.app/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

onchain

get_onchain_activity_index

Returns a 0-100 quantitative DeFi Protocol Activity Index for a DefiLlama protocol slug (e.g. 'uniswap', 'aave'), built from real TVL trend, fee/volume activity trend, chain diversification, and scale data. This is a pure descriptive metric, NOT a trading signal or financial recommendation of any kind -- it does not predict price movement and should not be interpreted as advice to buy, sell, or hold any asset. This MCP tool call is currently free -- the equivalent REST endpoint (POST /activity-index) is charged via x402, see README.

Endpoints

URL	Transport	State	Latency	Checked
https://onchain-activity-index-325572559480.us-central1.run.app/mcp	streamable-http	needs auth	342 ms	6 min ago

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Onchain Activity Index — questions

Answers built from our own checks of this server.

What can Onchain Activity Index do?

It exposes 1 tools, read directly from the server on our last check. Among them: get_onchain_activity_index. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Onchain Activity Index working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 285 ms. The bar chart above shows every period we have measured.

How do I connect Onchain Activity Index?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own credentials: it refuses anonymous clients.

Does Onchain Activity Index need an API key?

Yes. Every time we knock, Onchain Activity Index answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.

How fast is Onchain Activity Index?

It answers our handshake in 285 ms on average, which is faster than 50% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Onchain Activity Index open source?

We cannot say either way: written in Python and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.