What is the key difference between Flipcoin and Justcall MCP Server?

Flipcoin belongs to the Developer Tools category with local stdio execution, while Justcall MCP Server belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install Flipcoin or Justcall MCP Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Flipcoin and Justcall MCP Server free or paid?

Flipcoin operates under a Free / Open Source model (No auth required). Justcall MCP Server operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Flipcoin lists 35 tools with 0 views and 0 GitHub stars. Justcall MCP Server lists 67 tools with 0 views and 25 GitHub stars.

Can I use both Flipcoin and Justcall MCP Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Flipcoin vs Justcall MCP Server

In-depth architectural comparison of the Flipcoin and Justcall MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Flipcoin

Developer Tools · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

Justcall MCP Server

Developer Tools · Remote HTTP/SSE

Quality: 47/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Flipcoin if you need specialized Developer Tools tools running via a local process. Choose Justcall MCP Server if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Flipcoin when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: list_markets, get_market, batch_get_markets.

Explore Flipcoin Details

Choose Justcall MCP Server when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: list_calls, get_call, update_call.

Explore Justcall MCP Server Details

Feature & Specification Comparison

Specification	F Flipcoin Developer Tools	J Justcall MCP Server Developer Tools
Summary	Agent-first prediction markets on Base. Trade, quote, create markets via MCP.	JustCall MCP Server
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Flipcoin Tools (35)

list_markets

Browse and search markets (filter by status, category, sort by volume)

get_market

Market details: prices, recent trades, 24h volume, resolution status

batch_get_markets

Fetch up to 50 markets in a single call (`addresses` or `conditionIds`)

get_market_state

LMSR state, 24h analytics, slippage curve at various trade sizes

get_market_history

Price history per market: raw points or OHLC candles (1m/5m/1h/1d)

get_quote

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Flipcoin Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "flipcoin": {
      "command": "npx",
      "args": [
        "-y",
        "@flipcoin/mcp-server"
      ]
    }
  }
}

Justcall MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "justcall-mcp-server": {
      "url": "https://modelcontextprotocol.com/"
    }
  }
}

Frequently Asked Questions

Flipcoin is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Justcall MCP Server belongs to Developer Tools using remote streaming HTTP/SSE transport. Select Flipcoin when you need capabilities focused on developer tools and Justcall MCP Server when you require tools for developer tools.

More alternatives to Flipcoin More alternatives to Justcall MCP Server Developer Tools category hub