Code Sandbox API alternatives

1

LINQ to DB

by linq2db

A

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

2

PlanetScale

by planetscale

A

Connect to PlanetScale databases, branches, schema, query insights, and execute SQL

3

DBHub

by bytebase

A

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

4

Run402

by run402.com

B

x402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions.

5

GeoLens

by geolens-io

B

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

6

StackQL MCP Server

by stackql

A

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

7

Magic Cloud

by polterguy

A

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

8

QueryWeaver

by falkordb.com

A

An MCP server for Text2SQL: transforms natural language into SQL using graph schema understanding.

Semantic SQL inspector: catches double-counting, wrong joins, PII exposure before execution.

10

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.

12

Keboola

by keboola.com

A

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

13

SqlServer Rules

by ErikEJ

A

Analyze T-SQL scripts for design, naming, and performance issues and prevent bad practices.

14

IBM Db2 for i

by Strom-Capital

A

Read-only SQL queries and schema inspection for IBM Db2 for i over ODBC, JT400 or Mapepire (SSH).

15

SQL Server MCP

by cvelasquez

B

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

16

Mako

by mako-ai

A

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

17

Tableau Workbook Auditor

by andey0Saikiran

A

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

18

gadak

by midagedev

A

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

19

Grain

by pattrnlabs

B

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

20

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.

22

Tickerbot

by tickerbot

A

The stock market, in SQL — scan, replay, or subscribe across ~12k US tickers and top 100 cryptos.

23

valv

by valv.sh

B

Let coding agents query any SQL database safely. Read-only by default and scoped by your policies.

24

QuestDB Web Console MCP Server

by questdb

A

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