Plumbline — a trust layer for LLM answers alternatives

1

Shrike

by Shrike-Security

A

Governs what AI agents do: tool calls, SQL, commands, files checked against policy before they run.

2

Midplane

by midplane.ai

B

Safe-by-default SQL guardrails for AI agents: AST-checked queries, per-table policy, audit log.

Read-only PostgreSQL over MCP. Writes refused at the parsed SQL, plus a READ ONLY transaction.

4

ImmyBot MCP

by Servosity

B

Every ImmyBot endpoint typed, plus a local SQLite mirror that answers the cross-tenant questions

5

Domotz MCP

by Servosity

B

Every Domotz endpoint, plus a local SQLite fleet mirror that answers cross-site questions.

6

SQL Benchmarks Lab

by rctruta

A

Query pre-computed SQL engine benchmarks. Runs standalone, no server setup required.

7

DBHub

by bytebase

A

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

8

GeoLens

by geolens-io

B

Read-only access to a self-hosted GeoLens spatial catalog: datasets, features, maps, sandboxed SQL.

9

LINQ to DB

by linq2db

A

Inspect database schemas and execute SQL queries across multiple database providers with LINQ to DB.

10

StackQL MCP Server

by stackql

A

SQL-native query and provisioning engine for cloud infrastructure, served over MCP.

11

Magic Cloud

by polterguy

A

Generate secured CRUD APIs over your database, run SQL, manage files, tasks and a headless browser

12

ZenBrain Memory

by zensation.ai

A

Seven-layer agent memory: episodic, semantic, procedural and core. Local SQLite, no account.

13

Motherduck

by motherduckdb

A

SQL analytics and data engineering for AI Assistants and IDEs

Biomedical MCP server: genes, variants, trials, literature, patents, optional SQL/R/biowasm tools.

15

Anythingmcp

by HelpCode-ai

B

257 connectors + any REST/SOAP/GraphQL/SQL as MCP tools for Claude & ChatGPT. Self-hosted, AGPL.

16

MCP

by keboola.com

A

Connect your AI assistants to Keboola and expose your data, transformations, SQL queries, ...

17

IBM DB2 for i

by Strom-Capital

A

Read-only SQL queries and schema inspection for IBM DB2 for i (AS/400). Requires Java.

18

SQL Server MCP

by cvelasquez

B

MCP server for DBAs running dozens of SQL Server instances: grouped connections, plans, indexes

19

Memory Vault

by MihaiBuilds

B

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

20

Mako

by mako-ai

A

Explore your databases, validate SQL, and build & publish data apps in your Mako workspace.

21

Tableau Workbook Auditor

by andey0Saikiran

A

Local-only Tableau .twbx audit: lineage, unused fields, duplicate calcs, SQL, version diffs

22

gadak

by midagedev

A

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

23

Grain

by pattrnlabs

B

Run SQL queries and inspect database schemas through safe, visible MCP tools.

24

QuestDB Web Console MCP Server

by questdb

A

Connects coding agents to a running QuestDB Web Console: notebook cells, SQL queries, and charts.