Keyword Search Python Packages

topk-sdk

High-quality search for AI-native applications.

ahocorasick-ner

A fast and simple Named Entity Recognition (NER) tool based on the Aho-Corasick algorithm. This package is ideal for rule-based entity extraction using pre-defined vocabularies.

macrame-db

An embedded bitemporal graph ledger — concepts, typed relationships, and their full history of change, with hybrid vector/keyword search, graph traversal, and in-memory analytics, in a single .db file.

argrelay

A data server for CLI tools = MCP + args search + Tab-completion directly in the standard shell.

bm25-fusion

An ultra-fast BM25 retriever with support for multiple variants and meta-data filtering.

rake-new2

A Python library that enables smooth keyword extraction from any text using the RAKE(Rapid Automatic Keyword Extraction) algorithm.

gram-recall

Zero-embedding CJK keyword recall: rare-gram scoring for long chat histories and event logs, no vector DB required