MCP Local Rag vs Xerj
A side-by-side look at the MCP Local Rag and Xerj MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
X
XerjKnowledge & MemoryLocal-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.53GoodAuth: no auth requiredVerdict: choose MCP Local Rag for knowledge & memory work as a local process; choose Xerj for knowledge & memory. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose MCP Local Rag when
- You need dedicated capabilities in the Knowledge & Memory domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You have the keys it needs:
BASE_DIR. - You want tools like
sync_start, sync_status, ingest_file.
XChoose Xerj when
- You need dedicated capabilities in the Knowledge & Memory domain.
- Its auth model fits you: No auth required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | X Xerj | |
|---|---|---|
| Category | Knowledge & Memory | Knowledge & Memory |
| Quality signal | 69/100 · Great | 53/100 · Good |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | No auth required | No auth required |
| Pricing | Free | Free |
| Required env vars | BASE_DIR | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 415 | 10,645 |
| Directory activity | 6 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 9 | Not listed |
| Full listing | View MCP Local Rag | View Xerj |
Tools & capabilities
MCP Local Rag tools 9
sync_startReconcile the index with all configured roots or one pathsync_statusPoll a running sync jobingest_fileIngest or replace one fileingest_dataIngest text, Markdown, or HTML already held by the clientquery_documentsSearch with semantic matching and keyword boostread_chunk_neighborsRead surrounding chunks from a search resultlist_filesShow supported files and their ingestion statedelete_fileDelete an indexed file or an `ingest_data` itemstatusShow index and search status
Xerj tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
MCP Local Rag
{
"mcpServers": {
"shinpr-mcp-local-rag": {
"command": "npx",
"args": [
"-y",
"mcp-local-rag"
],
"env": {
"BASE_DIR": "YOUR_BASE_DIR_HERE"
}
}
}
}
Xerj
No confirmed install command for Xerj yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
MCP Local Rag is categorized under Knowledge & Memory and uses a local stdio subprocess. Xerj belongs to Knowledge & Memory and uses an install path we have not confirmed yet. Pick MCP Local Rag for knowledge & memory work and Xerj for knowledge & memory.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Xerj has no confirmed install command yet — follow its own setup instructions.
MCP Local Rag is listed as free. Auth: no auth required. Xerj is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add shinpr-mcp-local-rag and xerj as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Local Rag has a quality signal of 69/100 (Great) with 6 views, 0 installs and 415 GitHub stars. Xerj has 53/100 (Good) with 0 views, 0 installs and 10,645 GitHub stars.