# Local FAISS MCP Server MCP Server

Local FAISS vector database for RAG with document ingestion, semantic search, and MCP prompts.

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled Local FAISS MCP Server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `local-faiss-mcp` on pypi. Runs locally.

## Known issues

**11 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 8.

### Most discussed

### Extract and store document metadata (author, date, tags)

Extract rich metadata from documents for better search and organization.

**Why**: Metadata enables filtering by date, author, document type, etc.

**Expected behavior**:
```bash
$ local-faiss list --metadata

Documents:
1. research_paper.pdf
   Author: John Doe
   Created: 2024-01-15
   Pages: 42
   Tags: machine-learning, RAG
   Chunks: 15

$ local-faiss search "neural networks" --filter "created:2024"
```

**Implementation approach**:
1. Extract PDF metadata using pypdf (author, title, creati

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/11) · 2025-12-09 · closed · 4 comments

### What’s the right memory abstraction for MCP-based agents?

I built this MCP server to explore local-first memory using FAISS.

What I’m running into is that the interaction model feels fundamentally wrong.

Having to tell an agent “use the vector DB” or “store this in FAISS” is not how memory should work. Memory should be implicit, contextual, and constrained — not a tool the user has to invoke.

This makes me question:

when an agent should decide to persist something at all? whether memory should be event-driven vs query-driven? how to avoid polluting

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/17) · 2025-12-20 · closed · 2 comments

### [Feature] Bring your own embedding model

User wants to specify any local embedding model. This feature can be triggered ad deployment time:

```bash 

local-faiss-mcp --embed [model]
```

The `--embed` flag will take in Huggingface model names and defaults to the current embedding model: 'all-MiniLM-L6-v2'

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/5) · 2025-12-02 · closed · 2 comments

### [Feature] Query highlight

User wants to retrieve the most relevant section within the document to answer the query. This can be done through a pipeline or providing a MCP prompt to the model.  See [https://modelcontextprotocol.io/specification/2025-06-18/server/prompts](https://modelcontextprotocol.io/specification/2025-06-18/server/prompts) for more information about MCP prompts. 

An MCP prompt for answer extraction and quotation can have as inputs the original query and each of the retrieved / top k documents.

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/4) · 2025-12-02 · closed · 2 comments

### [Feature] Support re-ranking models

User can trigger re-ranking models in the search pipeline with flag at deployment time:

```bash
local-faiss-mcp -rerank [model]
```
The `rerank` flag takes in a Huggingface model name or defaults to a known reranking model, such as [Qwen/Qwen3-Reranker-0.6B](https://huggingface.co/Qwen/Qwen3-Reranker-0.6B).

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/3) · 2025-12-02 · closed · 2 comments

### Most recent

### Show progress bar when indexing multiple files

Add a progress bar using `tqdm` when indexing multiple documents.

**Why**: Users need feedback during long batch operations.

**Expected behavior**:
```bash
$ local-faiss index documents/*.pdf

Indexing 50 files...
██████████████░░░░░░ 15/50 (30%) - document_15.pdf
```

**Implementation hints**:
- Add `tqdm>=4.66.0` to dependencies
- Wrap file loop in `cli.py::cmd_index()`
- Show: current file, X/Y, percentage, filename
- Disable for single file (no progress bar needed)

**Acceptance criteria**

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/8) · 2025-12-09 · closed · 0 comments

### Add colored output to CLI for better readability

Enhance CLI with colors using `colorama` or `rich` for better user experience.

**Why**: Colored output makes success/error states instantly recognizable.

**Expected behavior**:
- ✅ Green: Success messages ("✓ Added 5 chunks")
- ❌ Red: Errors ("✗ File not found")
- 📘 Blue: Info messages ("Using MCP config: .mcp.json")
- ⚠️ Yellow: Warnings ("Warning: Large file may take time")

**Implementation hints**:
- Add `colorama>=0.4.6` to dependencies
- Create color helper functions in `cli.py`
- Update

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/7) · 2025-12-09 · closed · 0 comments

### Add `local-faiss list` command to show indexed documents

Add a new CLI command to list all documents in the index with their metadata.

**Why**: Users need visibility into what's indexed without querying.

**Expected behavior**:
```bash
$ local-faiss list

Indexed Documents (3 total):
1. research_paper.pdf
   - Chunks: 15
   - Indexed: 2024-12-08 14:23

2. readme.md
   - Chunks: 3
   - Indexed: 2024-12-08 14:25

3. notes.txt
   - Chunks: 8
   - Indexed: 2024-12-08 15:10
```

**Implementation hints**:
- Add `cmd_list()` function in `cli.py`
- Read from

[Read the thread](https://github.com/nonatofabio/local_faiss_mcp/issues/6) · 2025-12-09 · closed · 0 comments

[See all 11 reports Pod holds for Local FAISS MCP Server](/mcp/local-faiss-mcp-server/issues).

## Firsthand observations

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## For agents

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