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MCP servers tagged semantic-layer
78 live MCP servers tagged "semantic-layer", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with semantic-layer.
SemaRail
Governed semantic layer for AI agents, with a DeepSeek Harness plugin that turns Harness into a data agent.
KnowDB
KnowDB is an AI semantic layer that extends sbdk-dev to enable natural language queries against your data through AI assistants like Claude Desktop and ChatGPT Desktop via the Mod…
Semantic Tracer
[ARCHIVED] A local-first application for visualizing and exploring dbt semantic layers. This repository serves as a reference implementation for MCP integration, dbt semantic brid…
Stackmint
Stackmint — independent third-party profile of a public API surface, by API Evangelist. Stackmint is a governed execution platform for enterprise AI workflows. Rather than deployi…
Loom Ontology
Declarative ontology framework over Apache Iceberg, wired to LLM agents via MCP
Select Star
Select Star — independent third-party profile of a public API surface, by API Evangelist. Select Star is a metadata context platform that provides an automated data catalog, colum…
Orionbelt Chat
AI-powered chat interface for OrionBelt Analytics & Semantic Layer MCP servers. Built with Chainlit and Pydantic AI, supporting OpenRouter, Anthropic, OpenAI, MLX, and Ollama.
Columna
Columna — an honest metrics engine that refuses to return a confident wrong number.
Elbi
Write a Python function. Elbi serves it to AI agents over the Model Context Protocol as a versioned, cached, verified tool.
Materials Semantic MCP
Governed semantic layer + provenance-labeled agent memory over a synthetic materials lab — MCP server
Mqo MCP
Typed, catalog-validated query objects instead of LLM-written SQL — an MCP server for AtScale's semantic layer
Mcpdbhub
Read-only MCP database hub in Go: 18 databases, shared business ontologies, source mappings, verified query templates, OAuth and OTLP audit logs.
Flowproxy
Self-hosted dbt-core + MetricFlow semantic layer proxy. Query governed metrics from Amazon QuickSight and LLM agents over the PostgreSQL wire protocol, with guardrails enforced. A…
Klarova
The trust layer between AI agents and your company's data — correct, cited, access-scoped answers, served to any agent over MCP.
Governed Metrics MCP
An MCP server demonstrating the governed metrics layer pattern: an LLM accesses curated metric definitions as tools instead of writing raw SQL against a database.
Duckdb Analytics MCP
Read-only analytics MCP server over DuckDB: semantic layer that prevents wrong answers, token-efficient output (-61% vs JSON), and a parser-based SQL guard.
Sqlproctor
Deterministic semantic verification for agent-generated SQL.
Fabric Cowork Ontology Demo
Ontology-grounded agent pattern: Microsoft Fabric IQ ontology, Fabric Data Agent, MCP bridge and a Microsoft 365 Copilot (Cowork) plugin
Atscale AI Poc Template
One command to stand up an AI-queryable AtScale semantic-layer POC, built on @atscale/ps-utils
Mqo Demo Runner
Orders a chain of AtScale MQO pillar CLIs and emits one transcript of what ran, returned, and where it blocked
Powerbi Dashboard AI Pack
AI đọc Power BI dashboard chính xác như người — contract-first, filter auto-inject, provenance mặc định, zero hallucination. Claude Code ready, Pro license đủ, no Desktop required.
.github
Website and central hub for the SBDK ecosystem - five open-source reference implementations demonstrating how to build local-first data and AI tools (data pipelines, ML inference,…
Askdata Semantic Agent
Text-to-SQL analytics agent: semantic layer, 3-layer SQL guardrails, eval harness (47 golden Qs) and MCP server. Runs offline; optional OpenAI/Ollama planner.
Knowledge Layer
Open source, self-hosted semantic layer and knowledge graph for AI agents. Evidence-backed definitions, human review, and reusable MCP context.
Mqo Eval
Result-set eval harness: scores an NL agent against an AtScale semantic layer on the rows it returns, not the query
Meridian
Embeddable .NET framework for longitudinal reporting: metrics → composable transforms → chart-agnostic views, with pluggable caching and an MCP agent surface.
Motley
Motley — independent third-party profile of a public API surface, by API Evangelist. Motley is a Zurich-based company building a governed semantic layer for AI agents and business…
Omni
Omni — independent third-party profile of a public API surface, by API Evangelist. Omni is an AI-powered business intelligence and embedded analytics platform that turns a governe…