"Free Tools for Online Searches" matching MCP connectors:

The agent-native cloud: database, functions, AI, storage, auth and more. 50 tools, one API key.

Query and join across SaaS tools, SQL, and NoSQL databases through one unified SQL interface.

Find novel, statistically validated patterns in tabular data — hypothesis-free.

Guardrailed FHIR access for AI agents: PHI redaction, audit trail, step-up auth, tenant isolation

Generate realistic, FK-consistent synthetic test data for your databases from your AI assistant.

Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.

Comprehensive PostgreSQL documentation and best practices, including ecosystem tools

Sandbox workspace tools: search, file read, DB queries, integrations. Returns synthetic data.

EU-native PaaS for AI agents — deploy web apps with one sentence, managed Postgres, GDPR by default.

Read-only analytics for Convex apps, queryable via MCP from Claude, Cursor, and other clients.

China's apparel supply chain data for AI: 1,000+ suppliers, 350+ fabrics, 170+ clusters.

Read-only MCP server for The Quiet Protocol's engines, benchmarks, proof, and business data.

Provides tools to manage Memorystore for Valkey instances and backups.

MCP server for the HubSpot Integrations Center HubDB: search and retrieve integration data.

The BigQuery remote MCP server is a fully managed service that uses the Model Context Protocol to connect AI applications and LLMs to BigQuery data sources. It provides secure, standardized tools for AI agents to list datasets and tables, retrieve schemas, generate and execute SQL queries through natural language, and analyze data—enabling direct access to enterprise analytics data without requiring manual SQL coding.

List datasets, schemas, run APL queries, and use prompts for exploration, anomalies, and monitoring.

VaultCrux Memory Core — 32 tools: knowledge, decisions, constraints, signals, coverage

B2B data enrichment for 375M+ companies: legal entities, corporate hierarchies, and contacts.

Hosted Model Context Protocol gateway for PostgreSQL, MySQL, and OpenAPI with scoped access.

Backend for vibe coders. Connect Butterbase to any MCP-compatible AI coding tool and provision a full backend automatically — database, authentication, file storage, edge functions, and real-time — from a natural language prompt. No SQL, no configuration, no backend knowledge required. Free to start at butterbase.ai.