MCP AtlasComparisons / AI, Memory & RAG
memory vs xerj
Both are top-ranked AI, Memory & RAG MCP servers on MCP Atlas. memory has more GitHub stars (91,446) versus 12,648, while xerj was updated more recently (2026-10-21). memory is written in TypeScript and xerj in Rust. memory installs as stdio, xerj as unknown.
| memory | xerj | |
|---|---|---|
| Description | Official MCP reference server (memory); see repo README. | Local-first search engine and MCP server for AI agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for BM25 full-text, vector and hybrid search, code search without grep, agent memory and RAG. Elasticsearch-compatible API; Corpus Hub serves hundreds of reference memory corpora. |
| GitHub stars | 91,446 | 12,648 |
| Last update | 2026-10-19 | 2026-10-21 |
| Language | TypeScript | Rust |
| Install | stdio | unknown |
| Install verified | yes | no |
| Publisher type | reference (modelcontextprotocol) | community |
Install configs: memory · xerj · All AI, Memory & RAG servers
MCP Weekly
The new and trending MCP servers of the week, with install configs. One email a week, free.