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Discover the toolingbehind modern intelligence

The operating system for AI infrastructure discovery. Search a live map of MCP servers, AI agents, LLM tools, automation systems, and developer infrastructure.

 
 
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theskillcity

Discover the toolingbehind modern intelligence

A live, classified map of MCP servers, AI agents, LLM tooling, automation systems, and developer infrastructure — searchable in one place.

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A live, classified index of the open-source tooling behind modern AI — MCP servers, AI agents, LLM tooling, automation systems, skills and developer infrastructure — all searchable and mapped in one place. The homepage cityscape lets you explore by category; everything else is a click away.

0skills
0MCP servers
0agents

Browse by domain — interactive skyline. Each building links to a domain.

DEVTOOLSLLMAGENTSAUTOMATIONWORKCLOUDWRITINGSECURITYWEB/APPMEDIADATA/ML
33All domains

Data & ML Engineering

33

Databases, SQL, ETL, analytics, ML training, model frameworks, data pipelines.

Specializations

AllML Training88 reposAnalytics & BI68 reposGeneral49 reposDatabases & SQL33 reposETL & Pipelines19 reposStreaming13 repos
0specializations
0repos
0skills
0MCP servers
0agents
mindsdb

minds-platform

mindsdb
MCP

Platform dedicated to building an open foundation for applied Artificial Intelligence, designed for people seeking production-ready AI systems they can truly control, extend and deploy anywhere.

Data & ML Engineering#agents#ai
39.2k6.2kPython
marimo-team

marimo

marimo-team
SKILL

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Data & ML Engineering#artificial-intelligence#dag
21.2k1.1kPython
googleapis

mcp-toolbox

googleapis
MCP

MCP Toolbox for Databases is an open source MCP server for databases.

Data & ML Engineering#agent#agents
15.5k1.6kGo
centralmind

gateway

centralmind
MCP

Universal MCP-Server for your Databases optimized for LLMs and AI-Agents.

Data & ML Engineering#amazon-bedrock#anthropic-claude
53165Go
Snowflake-Labs

mcp

Snowflake-Labs
MCP

MCP Server for Snowflake including Cortex AI, object management, SQL orchestration, semantic view consumption, and more

Data & ML Engineering
29195Python
mgorabbani

askdb

mgorabbani
MCP

Give AI agents safe access to your database.

Agent Engineering#agent#agentic-ai
571TypeScript
ralfbecher

orionbelt-analytics

ralfbecher
MCP

Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHouse, Dremio) and generates RDF/OWL ontologies with SQL mappings for fan-trap-free Text-to-SQL.

Data & ML Engineering#agentic-ai#chromadb
324Python
drt-hub

drt

drt-hub
MCP + SKILL

Reverse ETL for the code-first data stack

Data & ML Engineering#bigquery#cli
2737Python
aliengiraffe

spotdb

aliengiraffe
AGENT

Give your agents a secure, containerized SQL sandbox with MCP or API access enabled with DuckDB. No infra required, quick spin-up cycle. Push any CSV — query, analyze, and move on.

Agent Engineering#agentic#agentic-ai
204Go
risingwavelabs

risingwave-mcp

risingwavelabs
MCP

RisingWave MCP Server.

Developer Tooling#mcp#mcp-server
124Python
kineticloom

plydb

kineticloom
MCP

PlyDB securely bridges the gap between your AI agents and your fragmented data sources. It provides a single controlled access point for AI agents to query databases and flat files, such as Postgres, MySQL, SQLite, DuckDB, CSV, Excel, Google Sheets, and Parquet, with SQL, wherever the data lives. Integrate via CLI or M

Data & ML Engineering#ai#csv
91Go
Cledar

flink-mcp

Cledar
MCP

MCP server for Apache Flink SQL Gateway

Data & ML Engineering
84Python
tursodatabase

agent-skills

tursodatabase
AGENT

Agent Skills for Turso

LLM & GenAI Engineering
80
gemini-cli-extensions

oracledb

gemini-cli-extensions
SKILL

Skills for Oracle DB

LLM & GenAI Engineering#antigravity#claude-code
64JavaScript
colaberry

WorldOfTaxonomy

colaberry
SKILL

1,000+ open taxonomy systems with 1.2M+ codes and 320K+ crosswalk edges. NAICS, ISIC, NACE, HS, SOC, ISCO, ESCO, CPC, UNSPSC, ICD-10/11, Patent CPC, GDPR, and more - all connected. REST API + MCP server for AI agents. Open source (MIT) by Colaberry Inc.

Developer Tooling#classification#claude
62Python
yuly3

mcp-snowflake

yuly3
MCP

Model Context Protocol (MCP) server for Snowflake database connectivity and SQL query execution

Data & ML Engineering
62Python
rbmuller

scherlok

rbmuller
MCP

A detective for your data. Zero-config data quality monitoring — works with dbt, Postgres, BigQuery, Snowflake. No YAML.

Data & ML Engineering#anomaly-detection#bigquery
62Python
twelvedata

near-ai-agent-market

twelvedata
AGENT

Official Twelve Data service for the NEAR AI Agent Market — real-time & historical market data for autonomous agents.

Agent Engineering
60Python
uniquejtx

snowflake-generic-mcp

uniquejtx
MCP

General-Purpose Snowflake MCP server for any type of SQL operation

Data & ML Engineering#ai#claude
41Python
canqihe

futures-data-skill

canqihe
SKILL

期货交易辅助 Claude Skill - 66个品种、18.7万条历史数据、1.5万条新闻,智能分析涨跌原因。

LLM & GenAI Engineering#chinese-futures#database
40Python
cristianoaredes

mcp-senado

cristianoaredes
SKILL

MCP server for Brazilian Federal Senate (Senado Federal) Open Data API - Access legislative data, senators, proposals, voting records, and committees through AI assistants

Developer Tooling#ai-assistant#brazil
30TypeScript
cornelcroi

data-lens

cornelcroi
MCP

Ask questions about spreadsheets in plain English. Excel, CSV, Parquet analysis powered by DuckDB. Natural language to SQL for MCP-enabled AI assistants. Works with Claude Desktop, Cursor, and other MCP clients.

Data & ML Engineering#duckdb#mcp
20Python
tendant

postgres-mcp-go

tendant
MCP

A PostgreSQL MCP (Model Context Protocol) server implementation in Go that provides secure database access for AI agents.

Developer Tooling#ai-agents#golang
20Go
kzmshx

frontmatter-mcp

kzmshx
MCP

MCP server for querying Markdown frontmatter with DuckDB SQL

Data & ML Engineering#duckdb#frontmatter
12Python