"Hack The Box" matching MCP servers:

A fast, lightweight MCP server and CLI for Obsidian vaults built in Go. 16 multiplexed tools covering 72 actions for notes, search, templates, tasks, links, frontmatter, and vault analysis. Single binary, no plugins required.

Enables MCP-compatible assistants to connect to a user's workspace, read across boards, notes, checklists, habits, money, meals, chores, and chat, and make scoped additions, changes, or removals with attribution.

Enables creating, retrieving, updating, deleting, and listing notes through a simple MCP interface, with configurable note storage.

Provides read-only access to the Riffado voice-recording archive, enabling listing, searching, and retrieving recordings with transcripts, AI summaries, key points, and action items.

Enables managing a local notes file through add, get, update, delete, and list operations via MCP.

Enables clients to add, retrieve, update, delete, and list notes persisted to a local JSON file, with path configurable via an environment variable or command-line flag. Writes are atomic and locked, and a missing note raises an error rather than returning a placeholder string.

Enables managing persistent notes through five tools: add, get, update, delete, and list, with atomic saves and clear error handling.

Enables users to add, get, and list notes, with state persisted to a JSON file in the home directory.

The fastest Obsidian MCP server for Claude.

A local notes app that enables AI tools to manage notes via MCP (list, get, create, update, delete) using the same SQLite database as the GUI.

Enables managing a local JSON notes file through five MCP tools: add, get, update, delete, and list notes, with atomic saves and a write lock.

Enables Claude Desktop to add, get, and list notes, with state persisted to a JSON file in the home directory.

Enables adding, getting, and listing notes through MCP, with state persisted to a JSON file in the home directory.

Enables LLM agents to read and modify company data from Notion and Supabase, with human-in-the-loop approval for all write and delete operations.

Enables Claude Desktop to manage personal notes stored in a JSON file, supporting add, get, update, delete, and list operations with atomic saves.

Allows the AI to read from your Bear Notes

Integrates Notion with Claude Code, enabling search, read, and write operations on Notion pages and databases via the Model Context Protocol.

MCP server for managing notes with CRUD tools. It uses the same notes service as the GraphQL API, enabling natural language interaction with notes.

Turns the five Playing to Win boxes into queryable data over MCP: list all positions, open one position with its supporting, opposing, and complicating evidence, adopt or reject it with a note, record new evidence, add positions into a box, and organize several cascades of boxes. Read and write tools share the same core and query layer as the CLI and web pages, so every surface stays consistent.

Enables AI clients to add, get, update, delete, and list notes stored in a JSON file, with atomic saves and missing-note errors.