MCP.Market

Onchain Activity Index MCP server

online · 100% uptime
by nexus-mcp-infra·io.github.nexus-mcp-infra/onchain-activity-index·v1.0.0
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DeFi Protocol Activity Index -- quantitative on-chain activity metric from DefiLlama data

B80/100grade B
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Safety scan
B80/100

full report

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If you have run it, two minutes of your experience saves the next person an afternoon.

Onchain Activity Index tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.10 · 2026-11-01 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 213ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityauth enforced (unknown)9/15
  • Maintenancelast push 59 days ago12/15
  • Maintainer identityregistry namespace matches repository owner7/10
Overall 80/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Onchain Activity Index compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
80/100
higher than 60% of 48,255 servers
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
228 ms
faster than 59% of 30,031 servers

Install Onchain Activity Index in Claude Code, Cursor or VS Code

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

What the publisher says

From the Onchain Activity Index repository's README, as published. We do not edit it. Read it on GitHub

On-Chain Activity Index

Computes a 0-100 quantitative DeFi Protocol Activity Index from real, public DefiLlama data (TVL trend, fee/volume activity trend, chain diversification, scale). NEXUS candidate #9 -- manual build, not FORGE-generated.

This is a pure descriptive metric -- not a trading signal, price prediction, or financial recommendation of any kind.

  • POST /activity-index {"protocolslug": "uniswap"} -- charged $0.30 via x402** (Base mainnet, real USDC).
  • MCP tool getonchainactivity_index at /mcp -- currently free.
  • GET /health, GET /.well-known/agent-card.json, GET /openapi.json (has x-payment-info).

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

Mainnet cutover (2026-09-03)

Originally built and measured on Base Sepolia testnet. Cut over to Base mainnet: x402 settlement moved to the CDP facilitator (createfacilitatorconfig(), same swap already applied to ws/live-entity-verification/erc8004-agent-liveness), and the payto wallet moved to NEXUSX402PAYTOADDRESS (fail-fast env var, no placeholder default, renamed from X402WALLETADDRESS). CDPAPIKEYID/CDPAPIKEYSECRET and NEXUSX402PAYTOADDRESS must be set in Cloud Run before this deploys.

Full source, methodology, and quality-gate history: see the private NEXUS monorepo (manual_assets/onchain-activity-index/). This repo exists to satisfy MCP Registry namespace ownership verification (io.github.nexus-mcp-infra/onchain-activity-index) and as the public landing page for the deployed service.

A free, MIT-licensed companion skill (client usage guide, no payment required to read/use) lives at nexus-mcp-infra/onchain-activity-skill.

Nothing above is checked by us. What we check is on the safety report.

Grade history

  • 2026-11-01downgradeA → Bscore 80

Onchain Activity Index: common questions

Is Onchain Activity Index MCP server safe?
Mostly: it is graded B (80/100). Read the Onchain Activity Index safety report
How do I install Onchain Activity Index?
It runs remotely at onchain-activity-index-325572559480.us-central1.run.app. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Onchain Activity Index need an API key?
Yes. The endpoint refuses requests without credentials; the publisher's docs say how to get them.
Is Onchain Activity Index maintained?
The last commit was 62 days ago (2026-09-03). The latest release is v1.0.0.
Is Onchain Activity Index up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Onchain Activity Index compare with other MCP servers?
safety score 80/100 (higher than 60% of 48,255 servers); uptime 100% (of our recent checks; the typical remote server answers 100%); response time 228 ms (faster than 59% of 30,031 servers). Full comparison.

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