MCP server

PolyBridge

io.github.crowdvector/polybridge-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Calibrated probabilistic foresight for AI agents, powered by live prediction-market signal.

Working at last checkAbout 674 tokens per request once connected2 tools

https://mcp.polybridge.ai/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 2
Token cost: About 674 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http polybridge-mcp https://mcp.polybridge.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.polybridge-mcp]
url = "https://mcp.polybridge.ai/mcp"

Gemini CLI

{"mcpServers":{"polybridge-mcp":{"httpUrl":"https://mcp.polybridge.ai/mcp"}}}

Cursor

{"mcpServers":{"polybridge-mcp":{"url":"https://mcp.polybridge.ai/mcp"}}}

VS Code

{"servers":{"polybridge-mcp":{"type":"http","url":"https://mcp.polybridge.ai/mcp"}}}

Antigravity

agy mcp add polybridge-mcp https://mcp.polybridge.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"polybridge-mcp","server_url":"https://mcp.polybridge.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"polybridge-mcp","server_url":"https://mcp.polybridge.ai/mcp"}

polybridge_forecast ~229 tokens
Generate a read-only probability forecast for a clearly stated future event by searching relevant prediction markets and synthesizing evidence. Use when the user asks for a probability, outlook, or forecast; use polybridge_search when they only need market discovery. Does not place trades, provide f
polybridge_search ~445 tokens
Search public prediction markets for markets relevant to a natural-language topic or question. Use when you need candidate markets, market URLs, outcomes, statuses, and relevance scores. Do not use for a final probability forecast, market-history lookup, trading, or private/internal data. Scores are

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