# ThetaData MCP Server

**Canonical:** https://apis.io/apis/thetadata/thetadata-mcp-server/  
**Provider:** ThetaData — https://apis.io/providers/thetadata/  
**Base URL:** http://127.0.0.1:25503/mcp/sse  
**Documentation:** https://docs.thetadata.us/Mcp/Getting-Started.html

ThetaData MCP Server is one of 7 APIs that [ThetaData](https://apis.io/providers/thetadata/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include MCP, Agents, and SSE. The published artifact set on APIs.io includes API documentation.

Model Context Protocol server built into Theta Terminal v3, exposing the full v3 API to LLM CLIs (documented for Claude CLI and Gemini CLI) over SSE at http://127.0.0.1:25503/mcp/sse. Requires the terminal running locally and a valid ThetaData subscription.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.thetadata.us/Mcp/Getting-Started.html
- **X-MCPServerCandidate** — https://raw.githubusercontent.com/api-evangelist/thetadata/refs/heads/main/mcp/thetadata-mcp.yml
- **ToolCrosswalk** — https://raw.githubusercontent.com/api-evangelist/thetadata/refs/heads/main/mcp/thetadata-tool-crosswalk.yml

## Other ThetaData APIs (6)

- [ThetaData Streaming WebSocket API](https://apis.io/apis/thetadata/thetadata-streaming-websocket-api/)
- [ThetaData Calendar API](https://apis.io/apis/thetadata/thetadata-calendar-api/)
- [ThetaData Index API](https://apis.io/apis/thetadata/thetadata-index-api/)
- [ThetaData Interest Rate API](https://apis.io/apis/thetadata/thetadata-interest-rate-api/)
- [ThetaData Option API](https://apis.io/apis/thetadata/thetadata-option-api/)
- [ThetaData Stock API](https://apis.io/apis/thetadata/thetadata-stock-api/)

## Tags

MCP, Agents, SSE

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/thetadata/thetadata-mcp-server/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/thetadata/.