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dorianbrown
rank-bm25

A Collection of BM25 Algorithms in Python

6.1M 1K 105
xhluca
bm25s

Fast BM25 search in Python, powered by Numpy and Numba

1.4M 2K 99
star-ga
mind-mem

v3.7.0 — Persistent, auditable, contradiction-safe memory for coding agents. HTTP/REST auth fail-closed by default. Cross-platform atomic rollback (Linux/macOS/Windows). 71 MCP tools, 17 AI clients, hybrid BM25+vector+RRF, mind-mem:4b (Ollama). LoCoMo 86.33 conv-0 (Mistral, +8.4 vs published).

27K 4 0
wallter
trw-memory

Persistent memory engine with hybrid retrieval, tiered storage, and semantic dedup for AI agents

24K 1 1
SylphAI-Inc
adalflow

AdalFlow: The library to build & auto-optimize LLM applications.

22K 4K 370
memtomem
memtomem

Markdown-first, long-term memory infrastructure for AI agents. Hybrid BM25 + semantic search across markdown/code files via MCP.

14K 4 19
lemon07r
vera-ai

Local code search combining BM25, vector similarity, and cross-encoder reranking. Parses 60+ languages with tree-sitter, runs entirely offline, and returns structured results with file paths, line ranges, and symbol metadata. Built in Rust.

7K 70 8
lyonzin
knowledge-rag

Drop docs, search instantly from Claude Code — 12 MCP tools, 20 format parsers, hybrid search + reranking. Zero servers, zero API keys, 100% local.

6K 67 14
eric-tramel
moraine-cli

Unified realtime agent trace database & search MCP

6K 31 3
SylphAI-Inc
lightrag

AdalFlow: The library to build & auto-optimize LLM applications.

5K 4K 370
cognica-io
uqa

UQA — Unified Query Algebra: a multi-paradigm database engine unifying relational, text retrieval, vector search, graph query, and geospatial paradigms under a single algebraic structure

5K 6 1
xhluca
bm25

Fast BM25 search in Python, powered by Numpy and Numba

4K 2K 99
jaytoone
ctx-retriever

Trigger-Driven Dynamic Context Loading for Code-Aware LLM Agents

4K 0 0
flamehaven01
flamehaven-filesearch

FLAMEHAVEN FileSearch - Open source semantic document search with multi-provider LLM support (Gemini, OpenAI, Claude, Ollama)

3K 98 13
Nitin-Gupta1109
engram-search

High-recall conversational memory retrieval. 98% R@5 on LongMemEval, 94% on LoCoMo — no LLM required. Local-first, cloud-ready.

3K 3 0
simonsysun
seeklink

SeekLink — hybrid semantic search for markdown vaults. Four-channel RRF fusion, MLX reranker, native CJK support. Fully local.

3K 6 0
AmenRa
retriv

A Python Search Engine for Humans 🥸

3K 250 33
huss-mo
groundmemory

Persistent identity and memory across AI tools - mcp-native, local-first, framework-agnostic, production-ready.

2K 3 1
kwang2049
easy-elasticsearch

An easy-to-use Elasticsearch BM25 interface

2K 31 6
cognica-io
bayesian-bm25

Bayesian probability transforms for BM25 retrieval scores

2K 75 1
HaseebKhalid1507
velocirag

Lightning-fast RAG for AI agents. ONNX-powered, 4-layer fusion, MCP server. No PyTorch.

1K 6 1
kapillamba4
code-memory

MCP server with local vector search for your codebase. Smart indexing, semantic search, Git history — all offline.

1K 30 6
castnettech
mnemosyne-engine

LLM Context Compression and Retrieval Engine -- zero dependencies, sub-100ms queries, document + code ingestion

1K 53 9
orkait
graphstore

Agentic brain DB - the cognitive layer for AI agents

1K 4 1
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