"A search for information about Codex (e.g., ancient manuscripts, OpenAI Codex, or related topics)" matching MCP servers:

Provides curated long-term memory for Codex CLI via MCP, with Markdown-based storage, deduplication, and decay-based forgetting.

Enables Codex to interact with Google NotebookLM, allowing it to list notebooks, add sources, ask questions, and generate audio overviews.

MCP server for browsing Obsidian-compatible Markdown vaults, searching notes, viewing backlinks and knowledge graphs, and adding selected content to chat context.

Enables AI clients to read PDFs and selections from Zotero, edit Better Notes in real time, and synchronize Markdown notes.

Enables Codex to search, create, and organize notes in Simple Sticky Notes 6.9 on Windows via MCP, with support for rich text formatting and safe write operations.

Local-first MCP server for working with an Obsidian vault. No API key required

Enables semantic search over markdown files to find related notes by meaning rather than keywords, and automatically detect duplicate content before creating new notes.

Provides hybrid search (BM25 + vector) and staleness reporting for local markdown notes, exposing search and indexing tools to AI assistants via MCP.

MCP server for Obsidian vaults — multi-brain manager with templates, persistent registry, search, CRUD, frontmatter, wikilinks and context bundling. Works with Hermes Agent and Claude Code simultaneously.

Enables local semantic and full-text search over Markdown notes through MCP, returning relevant passages ranked by meaning and exact terms without requiring a GPU or hosted APIs.

Self-hosted MCP server that provides embedding-powered semantic search with graph context over Obsidian vaults, supporting multiple vaults, local embeddings, and a web dashboard.

Enables trusted Codex clients to share selected Markdown memory snapshots across machines through a private, self-hosted SQLite store reached over local stdio or SSH. Exposes tools to list, read, and search shared memory and to add append-only cross-machine notes, while keeping a read-only offline cache available when the server is unreachable.

A robust MCP server that transforms OneNote notebooks into an AI-accessible knowledge base for Gemini Spark, enabling natural language queries to list, read, and search notes via Microsoft Graph API.

Persists Claude Code sessions to Notion as team memory, enabling queryable recall of decisions, work state, and project architecture.

Enables fast local hybrid search over a folder of markdown files via MCP, combining BM25 and vector similarity with explicit relevance verdicts and no LLM or network calls at query time.

Enables natural-language semantic search over your own local files through an MCP server, fully offline without API keys or a server daemon, with optional LLM-grounded answers and exact file:line sources.

A live MCP server that connects AI assistants to a running Obsidian instance, enabling full app automation including reading notes, clicking UI elements, managing plugins, and executing JavaScript.

Enables local hybrid search over Obsidian and Markdown vaults via MCP, combining vector retrieval, full-text search, reranking, graph navigation, and safe CRUD while keeping data local.

Enables Claude to search and analyze Obsidian vault content using ripgrep with support for wiki links, backlinks, frontmatter properties, orphaned notes, and intelligent context detection showing which heading or property contains each match.

Enables turning conversations into prioritized, trackable actions with dates and natural time hints, while preserving original context as private online notes.