[!IMPORTANT] :test_tube: This project is experimental and could be subject to breaking changes.
Massive.com MCP Server
A Model Context Protocol (MCP) server that provides access to the full Massive.com financial data API through an LLM-friendly interface.
Rather than exposing one tool per endpoint, this server gives the LLM three composable tools — search, call, and query — that cover the entire Massive.com API surface. Data can be stored in an in-memory SQLite database, and enriched with built-in financial functions.
Tools
| Tool | Description |
|---|---|
search_endpoints |
Search for API endpoints and built-in functions by natural language query. Returns titles, path patterns, and descriptions. Set detail to "more" for query parameter docs, or "verbose" for full documentation. Use max_results to limit results. |
call_api |
Call any Massive.com REST API endpoint. Supports storing results as an in-memory database table (store_as) and applying post-processing functions (apply). Paginated responses include a next-page hint. |
query_data |
Run SQL against stored SQLite DB. Supports SHOW TABLES, DESCRIBE <table>, DROP TABLE <table>, CTEs, window functions, and more. Results can also be post-processed with apply. |
