"Headroom open-notebook resources" matching MCP connectors:

Sources in, feeds out: an open, ever-growing database of real-time public data, enriched.

Connect your Nubank account to AI via Brazil's Open Finance: balances, statements, cards, investment

QuadraticA

io.github.quadratichq

AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases.

Self-hosted, open-source MCP gateway: turn any API, database or MCP server into custom connectors for Claude, ChatGPT, Gemini, Copilot & Cursor — no code. Converts REST, SOAP, WSDL, GraphQL & SQL to MCP, with OAuth2, RBAC & audit log. 175+ pre-built adapters. This is the public read-only demo endpoint — run your own at https://github.com/HelpCode-ai/anythingmcp

Interact with your Google Cloud Datastream resources using natural language commands.

Chrysai provides a hosted MCP server for AI-driven data operations. After connecting an MCP client to the endpoint, you can use MCP tools such as create_app, list_apps, read_data, write_data, update_data, delete_data, and update_app, plus schema resources, to manage persistent structured data through natural language.

FinLynqOAuth

com.finlynq

open-source personal finance app with a first-party MCP server. 91 HTTP tools (OAuth 2.1 + DCR) and 87 stdio tools cover transactions, budgets, accounts, portfolio analytics, FX conversion, loans, subscriptions, goals, importers, and rules. Users self-host with Docker + PostgreSQL or use the managed cloud

MCP Server for Jitsu Cloud, an open-source customer data platform

WherobotsAOAuth

com.wherobots

Generate and run high performance queries on open and private spatial data at-scale in the cloud