MCP server

ClearMarket Official

fyi.clearmarket/clearmarket

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Website Source

At a glance

Type

MCP server

Publisher

clearmarket.fyi (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 1,889 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

28 Oct 2026, 09:03 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 clearmarket https://api.clearmarket.fyi/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.clearmarket]
url = "https://api.clearmarket.fyi/mcp"

Gemini CLI

{"mcpServers":{"clearmarket":{"httpUrl":"https://api.clearmarket.fyi/mcp"}}}

Cursor

{"mcpServers":{"clearmarket":{"url":"https://api.clearmarket.fyi/mcp"}}}

VS Code

{"servers":{"clearmarket":{"type":"http","url":"https://api.clearmarket.fyi/mcp"}}}

Antigravity

agy mcp add clearmarket https://api.clearmarket.fyi/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":"clearmarket","server_url":"https://api.clearmarket.fyi/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"clearmarket","server_url":"https://api.clearmarket.fyi/mcp"}

Tools

• get_event ~520 tokens
  Fetch the full ClearMarket record for one event by slug: the canonical question, every market in this event's single-venue bundle, each market's current price + Resolution Clarity Grade (A/B/C) + resolution-source provenance, the canonical question_id where the question is linked across venues/event
• get_market ~388 tokens
  Fetch one market and judge whether its price can be trusted. Accepts whatever id you have: a ClearMarket id (CM-MKT-…), a venue-native market id or Kalshi ticker, or a market URL (best-effort — Kalshi tickers / a native id in the path resolve; for Polymarket pass the conditionId, not the slug URL).
• get_signal ~153 tokens
  Fetch one full CM Signal wire by slug: headline, the 3-5 structured bullets, atomic claims with per-field provenance tiers, the target + linked events, primary and related markets with prices, and sources. Use when you have a wire slug (from list_signals) and need the complete bulletin with its proo
• list_events ~372 tokens
  Browse or search ClearMarket prediction-market events. Filter by category, platform, Resolution Clarity Grade, or free-text `q`. `q` is token-AND across question + tags, so SHORT KEYWORD queries match best ("microstrategy bitcoin", "fed rate") — natural-language phrases often return nothing. Returns
• list_signals ~308 tokens
  Browse the CM Signal daily wire — short, structured prediction-market bulletins (the price is the lede, news is context). Filter by event_id (every wire touching a specific event), category, venue, or detection type (news_cycle, cross_venue_divergence, benchmark_drift, volume_spike). Returns compact
• list_upcoming_catalysts ~148 tokens
  List scheduled catalysts (CPI, jobs, FOMC, GDP, large-cap earnings) in the next N days that move prediction-market prices BEFORE those markets resolve — a cross-event view across the whole calendar. Each entry is provenanced to its authoritative source (BLS, Fed, etc.). Use to find what scheduled ev

Browse

• Calendars
• News
• Stocks and markets
• Crypto and blockchains

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