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Hermes Second Brain

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Enables capturing, searching, and organizing Obsidian notes from Telegram via Hermes Agent (MCP).

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About

Enables capturing, searching, and organizing Obsidian notes from Telegram via Hermes Agent (MCP).

README

Hermes Second Brain adalah fondasi personal AI hub berbasis Hermes, dengan Obsidian Second Brain sebagai kapabilitas pertama: capture, search, dan organize catatan Obsidian dari Telegram lewat Hermes Agent (MCP).

Status saat ini: Live — Phase 3 selesai. Berjalan lokal di satu mesin (Mac mini) end-to-end: capture, search, dan organize (move/update/undo) langsung ke vault Obsidian, dikendalikan dari Telegram.

Fitur

  • Capture — simpan catatan/link ke Inbox sebagai Markdown (atomik, anti-dobel, reversible).
  • Search — full-text search seluruh vault (SQLite FTS5); note sensitif dicari via judul/tag saja, body tidak diindeks.
  • Organizemove_note (pindah antar folder PARA) & update_note (append/replace), atomik + hash-guarded.
  • Undo — batalkan capture/move/update terakhir lewat operation_id.
  • Aman — capability registry per-tool, audit log, deteksi note sensitif (#private/kata kunci rahasia), path-safe.

Prasyarat

  • Mesin yang menyala 24/7 (Mac mini, home server, atau VPS) untuk menjalankan Hermes + Second Brain Core.
  • Obsidian dengan sebuah vault Markdown.
  • Hermes Agent terpasang dan berjalan (lihat docs/HERMES_SETUP.md).
  • API key LLM (mis. Anthropic) untuk Hermes.
  • Bot Telegram (token dari @BotFather) sebagai antarmuka chat.
  • Python 3.11+.

Install

git clone https://github.com/andrihakim146/hermes-second-brain.git
cd hermes-second-brain
python3 -m venv .venv && source .venv/bin/activate
pip install -e ".[mcp]"
cp .env.example .env   # lalu isi token & path vault kamu
python3 -m unittest discover -s tests

Panduan lengkap end-to-end (termasuk setup Hermes, Telegram, dan go-live ke vault produksi) ada di docs/REPLICATION_GUIDE.md.

Architecture in One Minute

Telegram -> Hermes Agent -> Capability Gateway -> Second Brain Core -> Obsidian Vault
  • Hermes menangani percakapan, session, model routing, scheduler, dan tool selection.
  • Capability Gateway membatasi akses dengan permission L0-L4.
  • Second Brain Core menangani job, audit, database, konflik, index, dan operasi vault.
  • Vault Markdown tetap menjadi source of truth untuk catatan.

Safety Boundary

Phase 0 tidak menyentuh vault produksi. Semua test memakai fake vault di:

tests/fixtures/vault

Vault asli hanya boleh diaudit dari salinan read-only setelah Andri memberi path dan izin eksplisit.

Quick Start

python3 -m unittest discover -s tests
PYTHONPATH=src python3 -m second_brain.main
PYTHONPATH=src python3 -m second_brain.db.migrate
PYTHONPATH=src python3 -m second_brain.preflight
PYTHONPATH=src python3 -m second_brain.server
PYTHONPATH=src python3 -m second_brain.mcp_server   # needs: pip install -e ".[mcp]"

second_brain.server starts the local-only HTTP Core API on SECOND_BRAIN_CORE_URL (default http://127.0.0.1:8787). second_brain.mcp_server is the stdio MCP server that Hermes connects to (Hermes uses MCP, not REST). Both wrap the same dispatcher with capability checks + audit. See docs/API.md and docs/GO_LIVE.md.

MCP tools (live)

Terdaftar di Hermes sebagai MCP stdio lokal (second_brain.mcp_server):

  • health_check, job_status, sync_status
  • capture_note — tulis catatan ke Inbox
  • search_vault, get_note — cari & baca catatan
  • move_note, update_note — pindah & edit catatan
  • undo — batalkan operasi terakhir

Bangun/refresh index pencarian kapan saja: PYTHONPATH=src python3 -m second_brain.reindex.

Read Next

  • docs/AI_HANDOFF.md
  • docs/ARCHITECTURE.md
  • docs/HERMES_SETUP.md
  • docs/SETUP.md
  • docs/TESTING.md
  • docs/SECURITY.md

from github.com/andrihakim146/hermes-second-brain

Installing Hermes Second Brain

This server has no published package — it is built from source. Open the repository and follow its README.

▸ github.com/andrihakim146/hermes-second-brain

FAQ

Is Hermes Second Brain MCP free?

Yes, Hermes Second Brain MCP is free — one-click install via Unyly at no cost.

Does Hermes Second Brain need an API key?

No, Hermes Second Brain runs without API keys or environment variables.

Is Hermes Second Brain hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Hermes Second Brain in Claude Desktop, Claude Code or Cursor?

Open Hermes Second Brain on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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