Give Claude, Cursor, Codex, and ChatGPT live prediction-market order-book data.
DepthFeed runs a remote Model Context Protocol (MCP)
server so AI agents can pull Polymarket, Kalshi, and Limitless order-book depth and price
data straight into a session — no SDK, no glue code. Listed in the official MCP registry as
com.depthfeed/depthfeed.
https://api.depthfeed.com/mcp
It's a remote, Streamable-HTTP server and keyless to start: add the endpoint and your
agent can query BTC Polymarket markets immediately. Add a DepthFeed API key
(Authorization: Bearer df_…) to unlock all 7 assets (BTC/ETH/SOL/XRP/DOGE/BNB/HYPE), Kalshi,
Limitless, the full order-book ladder, and deep history — the same plan gating as the REST API.
Claude Code
claude mcp add --transport http depthfeed https://api.depthfeed.com/mcp
# with a key:
claude mcp add --transport http depthfeed https://api.depthfeed.com/mcp \
--header "Authorization: Bearer df_YOURKEY"Cursor — ~/.cursor/mcp.json (or .cursor/mcp.json)
{ "mcpServers": { "depthfeed": { "url": "https://api.depthfeed.com/mcp" } } }VS Code (Copilot agent mode)
code --add-mcp '{"name":"depthfeed","type":"http","url":"https://api.depthfeed.com/mcp"}'Claude Desktop — Settings → Connectors → Add custom connector → paste the URL.
ChatGPT — Settings → Connectors → enable Developer Mode → add the URL.
OpenAI Codex — ~/.codex/config.toml
[mcp_servers.depthfeed]
url = "https://api.depthfeed.com/mcp"
# bearer_token_env_var = "DEPTHFEED_TOKEN" # optional, for a keyAny MCP-capable client works (Windsurf, Cline, Zed, …) — add https://api.depthfeed.com/mcp
as a remote/custom MCP server.
All tools are read-only and return the same JSON as the DepthFeed REST API.
| Tool | Returns |
|---|---|
polymarket_all_markets |
All currently discoverable Polymarket markets across supported assets |
polymarket_search_markets |
Polymarket up/down crypto markets for a coin |
polymarket_get_market |
A single Polymarket market by id or slug |
polymarket_get_snapshots |
Polymarket order-book history (time series) |
kalshi_search_markets |
Kalshi crypto markets (paid) |
kalshi_get_orderbook |
Latest Kalshi yes/no depth by ticker (paid) |
kalshi_get_snapshots |
Kalshi yes/no depth history (paid) |
limitless_search_markets |
Open Limitless markets on Base (paid) |
limitless_get_orderbook |
Latest Limitless L2 depth by slug (paid) |
limitless_get_snapshots |
Limitless L2 depth history (paid) |
screener |
Cross-venue top-of-book snapshot for all assets |
whoami |
The session's plan, limits, and coin access |
# List tools
curl -sS https://api.depthfeed.com/mcp -H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
# Keyless BTC Polymarket markets
curl -sS https://api.depthfeed.com/mcp -H 'content-type: application/json' \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"polymarket_search_markets","arguments":{"coin":"btc","limit":3}}}'- Website: https://depthfeed.com
- MCP landing page: https://depthfeed.com/mcp
- Guide: https://depthfeed.com/resources/prediction-market-mcp-server
- API docs: https://depthfeed.com/docs
- Python clients: polymarket-price-data · kalshi-price-data
- Propose documentation or integration improvements in CONTRIBUTING.md.
- Ask usage questions through DepthFeed support.
- Report security concerns privately using SECURITY.md.
Independent research project. Not affiliated with or endorsed by Polymarket, Kalshi, Limitless, Binance, or any exchange.