Knowledge Graph RDBMS alternatives

1

Engraphy

by devon-clarkk

B

Self-hosted MCP memory server: a typed knowledge graph on Postgres 16 and pgvector.

Local AI memory: neuroscience-inspired Data→Information→Knowledge in SQLite you own.

3

Echo Memory

by ayushcodes10

A

Shared memory for AI agents, as a graph in your own Postgres. Writes never call an LLM.

4

DBHub

by bytebase

A

Token-efficient database MCP server for PostgreSQL, MySQL, MariaDB, SQL Server, Oracle, SQLite

5

Neon

by neon.com

A

Official Neon MCP server for managing Neon projects and Lakebase Postgres databases.

6

PostgreSQL

by antonorlov

B

MCP server for PostgreSQL: local, Docker, RDS, Neon, Supabase, or behind an SSH bastion.

Task queue, decisions and memory for coding agents. Local SQLite, no network. Requires Bun.

8

PostgreSQL MCP Server

by YawLabs

B

PostgreSQL MCP server - query, schema introspection, explain, and health checks for AI assistants

9

skillmem

by liza-studio

A

Skill memory for coding agents: learn, recall, reinforce, decay. Local SQLite, no API key.

Local SQLite MCP memory: evidence-based recall, advisory conflict notices, authorized governance.

11

Gnosis MCP

by nicholasglazer

A

Zero-config MCP server for searchable documentation. SQLite or PostgreSQL.

Local memory for AI agents. One SQLite file on your machine — no cloud, no account.

13

Faostat

by cyanheads

A

UN FAOSTAT global food & agriculture statistics over a local SQLite mirror, via MCP.

14

Lific

by VoidNullable

A

Local-first, lightweight issue tracker. Single binary, SQLite-backed, MCP-native.

15

Memory Vault

by MihaiBuilds

B

Local-first AI memory layer with hybrid search. Postgres + pgvector. Self-hosted, MIT.

16

gadak

by midagedev

A

Ask a local SQLite mirror of your Jira and Confluence: SQL, full-text search, issue detail.

17

Xero MCP

by Servosity

B

Every Xero Accounting read plus a local SQLite ledger - aging, reconciliation, and GL tie-out

18

Veeam VSPC MCP

by Servosity

B

Sync Veeam Service Provider Console tenants to local SQLite; cross-company backup answers offline.

Governed PostgreSQL DBA ops: slow-query RCA, bloat/vacuum & blocking-lock analysis; 35 MCP tools.

20

Pg Migration Lock Lint

by jmshinhwa

A

Names every statement in a Rails, Django or raw SQL migration that takes a table-blocking Postgres l

21

Homespun

by homespun.dev

B

Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.

22

RE-call MCP Memory Server

by GiulioDER

B

Agent memory on your own Postgres that flags superseded facts and abstains instead of guessing.

23

SQLite rowid integer band, value discarded

by sadri-dridi

A

SQLite rowid integer band, value discarded

24

Postgres URL Shape

by sadri-dridi

A

Check a Postgres URL shape. Credentials discarded.