"Free PostgreSQL Database Solutions" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
The agent-native cloud: database, functions, AI, storage, computers. 51 tools, one API key.
It connects with Smart Data models database with more than 1000 open licensed data models and helps you to create applications and systems interoperable with existing standards or real applications
FirmLedger: search and verify businesses. Free needs no key; Pro adds contacts, news, jobs.
Connect your AI to any database — PostgreSQL, MySQL, or SQL Server — in seconds.
Persistent knowledge graph for AI-augmented teams. Store decisions, findings, and standing rules across agent sessions with semantic search and typed connections. Includes cross-session memory, audit trail, workspace isolation, and secret detection. Built for teams running agents that need to remember. Free until launch with team tier as default, anon trial available.
Read and edit DB Planner database schemas (DBML/SQL), Mermaid diagrams and board layouts from any MCP client. 40 tools with annotations and output schemas. OAuth sign-in, with read and write as separate scopes enforced server-side.
Database for your AI agent. Turn its output into data, docs, skills, and apps you can actually use.
Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.
Find novel, statistically validated patterns in tabular data — hypothesis-free.
Read, create, update and delete records; inspect objects, fields and schema in your Knack database.
Search, compare & filter 103,372 car variants — 224 specs, 20 languages. Free demo, no key; x402.
Comprehensive PostgreSQL documentation and best practices, including ecosystem tools
Simulate electric UAV powertrains and search a public motor, propeller and battery database.
Landlord Database Check: the site's own MCP server — checker, enquiry (enquiry = a human...
Search the Perfume Picks fragrance database: 13,000+ scents with notes, dupes, and wear data.
Free, read-only truck and Jeep parts fitment: what fits your vehicle, fit checks, tire sizes.
Executes SQL in a real ephemeral database: rows, typed errors with suggestions, plans, diffs.
PostgreSQL bigserial band, value discarded
A unified biomedical graph database that integrates 50+ primary data sources — genes, proteins, compounds, diseases, pathways, and clinical data — into a single queryable graph with billions of cross-reference edges. Its native MCP server gives LLMs direct access to structured, authoritative biomedical data, complementing their reasoning with reliable identifiers and up-to-date database content.
Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.