English Français العربية

0xinsider

Official registry Finance and payments

Read-only Polymarket sports and esports data: wallet grades on settled P&L, large trades, markets.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http 0xinsider 'https://api.0xinsider.com/api/v1/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "0xinsider": {
            "type": "http",
            "url": "https://api.0xinsider.com/api/v1/mcp"
        }
    }
}
NPM package @0xinsider/mcp
Claude Code 
claude mcp add 0xinsider -e 'OXINSIDER_API_KEY=<your oxinsider_api_key>' -- npx -y @0xinsider/mcp@3.6.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "0xinsider": {
            "command": "npx",
            "args": [
                "-y",
                "@0xinsider/mcp@3.6.2"
            ],
            "env": {
                "OXINSIDER_API_KEY": "<your oxinsider_api_key>"
            }
        }
    }
}

Environment variables

  • OXINSIDER_API_KEY required secret 0xinsider API key (oxi_sk_live_...) from https://0xinsider.com/developers

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. 0xinsider Agent Plugin
  2. Install
  3. Contents
  4. MCP server
  5. Try it with no account
  6. Official resources
  7. License

0xinsider Agent Plugin

The official Agent Plugin for 0xinsider - Polymarket analytics for sports and esports in real-time.

It bundles the 0xinsider MCP server with five skills that teach an agent how to read large trades, wallet grades, sharp-money flow, and published research without misreporting them.

Install

npx skills add 0xinsider/agent-plugin

Refresh the changed instructions in an existing installation with:

npx skills@latest update 0xinsider-api-access polymarket-sharp-money

Or install one skill without adding the whole plugin:

npx skills use 0xinsider/agent-plugin@0xinsider-api-access

Contents

SkillCovers
0xinsider-api-accessCredentials, sandbox vs live hosts, MCP transports, rate limits, typed errors
polymarket-whale-tradesLarge-trade feed, history replay, counterparties, significance score
polymarket-wallet-gradesTrader grades, settled P&L and its trust metadata, leaderboards, position timelines
polymarket-sharp-moneyDirectional flow, market intel, Max-only Edge Hunter board/full signals/cohort observations, Insider Radar flags
polymarket-market-researchMarket search and explore, published research, report snapshots

Plugin 1.2.0 documents configurable selections across every Edge Hunter view: sports/esports, canonical sports, exact leagues, market types, markets, events and series. Board defaults remain compatible; rows add frozen market_context for authoritative selector discovery, and selected responses echo normalized selection. Advanced records retain pagination, evidence and conditional reads. The coordinated TypeScript SDK is 0.22.0 and CLI/MCP runtime is 3.2.0. The four legacy URLs/tools remain retired.

AGENTS.md holds the rules for AI coding agents writing integration code against the API. .cursorrules mirrors it.

MCP server

mcp.json points at the remote Streamable HTTP endpoint:

{
  "mcpServers": {
    "0xinsider": {
      "type": "http",
      "url": "https://0xinsider.com/mcp",
      "headers": { "Authorization": "Bearer ${OXINSIDER_API_KEY}" }
    }
  }
}

The server exposes tools across traders, markets, large trades, positions, flow, research, reports, and webhooks. Its card is at /.well-known/mcp.

A local stdio path ships in the CLI:

npx -y @0xinsider/mcp@3.2.0 init

Try it with no account

Every documented operation answers from the sandbox with no credential:

curl -s https://0xinsider.com/sandbox/api/v1/leaderboard

One POST returns a sandbox key and the steps to live access:

curl -s -X POST https://api.0xinsider.com/api/v1/agents/register \
  -H 'Content-Type: application/json' -d '{"name":"my-agent"}'

Official resources

License

MIT

Frequently asked questions

What is 0xinsider?

Read-only Polymarket sports and esports data: wallet grades on settled P&L, large trades, markets.

How do I install 0xinsider?

It runs as a remote server. In Claude Code: claude mcp add --transport http 0xinsider 'https://api.0xinsider.com/api/v1/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does 0xinsider need an API key?

Yes. It expects OXINSIDER_API_KEY, which you set in its configuration.

Is 0xinsider open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains 0xinsider?

It is published by 0xinsider. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.