Top SEMANTIC GitHub Repositories & Tools (2026)

Find code by asking what it does. A CLI for coding agents that uses Jev to discover relevant files and source context.

Video Search SDK for Android Kotlin. Integrate in any video app

Structural code intelligence for AI agents — semantic search, knowledge graphs, and a built-in MCP server in one Rust binary. Give Claude, Cursor, and any MCP client a deep understanding of your codebase.

:bulb: semantic-release plugin to analyze commits with conventional-changelog

Composable, view-based memory for DeepSeek Harness. Pluggable sources and strategies, with three-tier memory out of the box.

The Common Core Ontology Repository holds the current released version of the Common Core Ontology suite.

:fox_face: semantic-release plugin to publish a GitLab release

SPARQL Anything is a system for Semantic Web re-engineering that allows users to ... query anything with SPARQL.

:ship: semantic-release plugin to publish a npm package

An embeddable, expressive semantic layer for AI agents and humans

Generate changelog, and/or next version, with, or without, conventional commits from a GIT repository

:shell: semantic-release plugin to execute custom shell commands

MCP server that lets Claude Code and other AI agents read and search large PDFs, one file or a whole folder: agentic RAG with hybrid semantic + keyword search, selective page reads, tables, images, OCR, chart data, and multi-column/CJK layouts.

Generic Linked Data browser and UX component framework. Apache license.

The EMBL-EBI Ontology Lookup Service (OLS)

Semantic decisions as ordinary Ruby #feels?, #decide, #score, Rails validations and pattern matching powered by Jev

Open-source cognitive coprocessor with active memory for AI agents — persistent recall, semantic search, overnight dreaming, verified facts, encrypted USB sync. MCP server; works with Claude, ChatGPT, and any local LLM. Built by one maker and his agents.

Power BI AI skills and Power BI agents for Claude Code and GitHub Copilot: a plugin marketplace of Power BI skills, subagents, and hooks for semantic models, DAX, TMDL, reports, and AI dashboards. Includes Microsoft Fabric skills and Fabric agents. Weekly updates.

A free, open-source Obsidian plugin that makes your vault smarter: better search, an interactive knowledge graph, and an AI assistant that knows your notes.

Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.