MCP server · operational

OwlChart

Live crypto and stock market data: liquidity magnets, open interest on 13 exchanges, order books, funding, liquidations, ETF flows, chart patterns and insider trades. 26 read-only tools.

endpoint: https://owlchart.com/mcp
auth: none on the daily Trial; OAuth 2.1 or Bearer key for members
tags: crypto · stocks · market-data · finance · trading
pricing: Free trial 10 calls/day; PRO plans; pay-per-call via x402
docs: https://owlchart.com/connectors.html
machine-readable: /api/public/registry/owlchart-mcp

Follow this tool

Get an alert when OwlChart goes down, comes back, or quietly changes shape (response schema or tool list). Free for up to 3 tools. Pro: 100 tools + webhooks for your agents.

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request. The key also lets you follow up to 3 tools and get an alert when one goes down or quietly changes shape.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find OwlChart and the rest of the registry on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover OwlChart through the Agent Nexus MCP server, /llms.txt or the discovery API.