Memora MCPサーバー

Memora is a self-hosted memory vault for AI agents. Notes are plain markdown files in a git-backed folder. Agents read and write them over the Model Context Protocol (MCP); you browse, edit and govern them in a web UI. One Rust binary serves the HTTP API, the MCP endpoint, the web UI and realtime updates on a single port, with all server state in one embedded SQLite database.

Screenshots

Brain: every folder is a region, every note a node	Node card: links, backlinks and a preview
Graph: force, radial or cluster layouts	Canvas: one frame per folder
Reader with contents and reading settings	Activity: every agent call, live
Agents & API keys: one key per agent, scoped

Screenshots use a demo vault.

Features

• Markdown you own. Every note is a .md file with optional frontmatter and [[wikilinks]]. Edit it with any tool; nothing is locked in a database.
• Git history. Changes are committed, so any revision can be listed, diffed and restored (get_history, diff, restore_memory).
• MCP for agents. 75 tools for notes, folders, search, tags, graph traversal, history, locks, activity, pins and import/export, plus admin tools, over the streamable HTTP transport.
• API keys or OAuth. Give each agent its own key, or let MCP clients such as Claude or ChatGPT connect with OAuth after you approve them in the browser.
• Per-agent control. Scopes (mcp, read, write, admin), per-key tool lists, server-wide tool switches, and privacy rules that hide notes or folders from chosen agents.
• Web UI. Brain and graph views, a canvas, the vault editor, tags, live agent activity, keys, tools, access rules and settings. Installable as a PWA.
• Safe first run. An unclaimed instance cannot be taken over by whoever finds the port: the operator console opens a short setup window and you finish in the browser.
• One port, one process. HTTP API, MCP, UI and WebSocket share port 8400. The database has no network port.

Quick start

Three steps, about two minutes.

1. Install (pick one, in this order of ease)

# npm (Linux x86_64 / arm64, Windows x64; Node.js 22 or newer): install, then keep it running
npm install -g @codrihub/memora && memora

# Docker (any OS with Docker)
docker run -d --name memora --restart unless-stopped -p 8400:8400 \
  -v memora-data:/data -v memora-state:/state ghcr.io/codrihub/memora:latest

# Native installer (Linux server with systemd, x86_64 or aarch64)
curl -fsSL https://raw.githubusercontent.com/Codrihub/memora/main/scripts/install.sh | sudo sh

On Windows, install Node.js 22 or newer and use npm (see npm).

2. Get a one-time setup code

memora-cli setup --minutes 15                         # npm, in a second terminal
docker exec -it memora memora-cli setup --minutes 15  # Docker
sudo memora-cli setup --minutes 15                    # native

3. Open the link it prints (http://<your-server>:8400/login), enter the code and create your account. Memora then asks which folder to use as the vault and shows how to connect your first agent.

That is all. The sections below cover every other option.

npm (Linux x86_64 / arm64, Windows x64)

npm install -g @codrihub/memora
mkdir -p ~/memora && cd ~/memora
MEMORA_VAULT=./vault MEMORA_STATE=./state memora
# in a second terminal, same folder:
MEMORA_STATE=./state memora-cli setup --minutes 15

On Windows (PowerShell):

npm install -g @codrihub/memora
mkdir ~\memora; cd ~\memora
$env:MEMORA_VAULT = '.\vault'; $env:MEMORA_STATE = '.\state'; memora
# in a second terminal, same folder:
$env:MEMORA_STATE = '.\state'; memora-cli setup --minutes 15

The package carries the prebuilt release binaries and the web UI (no install script, nothing downloaded at install time) and needs Node.js 22 or newer. It is handy for trying Memora or running it under your own user; for a server, the native installer adds the systemd service. On macOS use Docker or build from source. Update with npm install -g @codrihub/memora@latest.

Docker (any OS)

One container, notes and state in named volumes (no clone, no folder permissions):

docker run -d --name memora --restart unless-stopped -p 8400:8400 \
  -v memora-data:/data -v memora-state:/state ghcr.io/codrihub/memora:latest
docker exec -it memora memora-cli setup --minutes 15

With Docker Compose from the repository instead:

git clone https://github.com/Codrihub/memora.git && cd memora
cp .env.example .env                     # optional, every value has a default
mkdir -p data state && sudo chown -R 1000:1000 data state
docker compose up -d
docker compose exec -it gateway memora-cli setup --minutes 15

The image is ghcr.io/codrihub/memora (linux/amd64 and linux/arm64). See docker/README.md for volumes, upgrades and local builds.

Native installer (Linux x86_64 / aarch64 with systemd)

One command:

curl -fsSL https://raw.githubusercontent.com/Codrihub/memora/main/scripts/install.sh | sudo sh

Or download it and read it first:

curl -fsSL https://raw.githubusercontent.com/Codrihub/memora/main/scripts/install.sh -o install.sh
less install.sh                          # read it first
sudo sh install.sh                       # add --behind-proxy for a local reverse proxy
sudo memora-cli                          # then type /web

The installer downloads the release for your CPU, verifies it against the release SHA256SUMS, creates a memora system user, and installs a hardened memora.service unit. Data lives in /var/lib/memora. Run sh install.sh --help for every option, and see docs/INSTALL.md for details.

From source

git clone https://github.com/Codrihub/memora.git && cd memora
cargo build --release
MEMORA_VAULT=./data MEMORA_STATE=./state ./target/release/memora
# in a second terminal:
./target/release/memora-cli              # then type /web

The server binds to 127.0.0.1:8400 by default. To install your build as a service: sudo ./scripts/install.sh --from-source. The web UI is built from web/ (see CONTRIBUTING.md).

First run

1. Run memora-cli setup (or type /web in the memora-cli console). It prints a one-time setup code and the link to open.
2. Open http://<host>:8400/login, enter the code and create the owner account.
3. Choose the vault folder (/var/lib/memora/vault natively, /data in Docker).
4. Add an agent: Agents, then New agent. Pick the app and paste the config it shows. One agent per app or device.

If a setup code expires unused, nothing breaks: run memora-cli setup again for a new code.

Configuration

Settings come from the environment (systemd unit, .env for Docker) and can be overridden in the state database with memora-cli -> /config; a stored value wins until you clear it. The most common ones:

Name	Default	Meaning
MEMORA_PORT	8400	HTTP port for API, MCP, UI and WebSocket
MEMORA_BIND	127.0.0.1	Bind address (0.0.0.0 in the container)
MEMORA_STATE	state	Directory holding memora.db
MEMORA_VAULT	empty	Suggested vault folder; the vault is confirmed in the browser
MEMORA_BASE_URL	empty	Public URL behind a reverse proxy
MEMORA_DOMAIN	empty (any)	Allowed hostnames; other hosts get 404
MEMORA_TRUSTED_PROXIES	empty	Remote proxies whose forwarding headers are trusted
MEMORA_ADMIN_PASSWORD[_FILE], MEMORA_API_KEY[_FILE]	unset	Provision an owner or an agent key at startup; only hashes are stored
RUST_LOG	info	Log filter

The full list, precedence rules and the Docker Compose variables are in docs/CONFIGURATION.md. For TLS, reverse proxies and hardening, see docs/DEPLOYMENT.md.

Connecting agents over MCP

The MCP endpoint is /mcp on the same port. Authenticate with an API key in Authorization: Bearer <key> (or X-API-Key), or let the client use OAuth.

Claude Code:

claude mcp add --transport http memora https://memory.example.com/mcp \
  --header "Authorization: Bearer memora_live_REPLACE_WITH_YOUR_KEY"

Clients with an mcpServers JSON config:

{
  "mcpServers": {
    "memora": {
      "type": "http",
      "url": "http://localhost:8400/mcp",
      "headers": {
        "Authorization": "Bearer memora_live_REPLACE_WITH_YOUR_KEY"
      }
    }
  }
}

Clients that support MCP authorization can connect with only the URL; you approve them in the browser and they appear as keys you can restrict or revoke. The discovery card is at /.well-known/mcp.json and a readable tool catalog at /tools. docs/MCP.md covers OAuth, other clients, every tool and the error codes; docs/API.md lists the HTTP API.

Operating

sudo systemctl status memora             # native service
sudo journalctl -u memora -f             # logs
sudo memora-cli                          # console: /status, /keys, /tools, /config, /backup ...
sudo memora-cli db backup                # consistent copy of memora.db, safe while running
sudo /usr/local/share/memora/install.sh --upgrade
docker compose pull && docker compose up -d   # Docker upgrade

Back up the vault folder and memora.db (with memora-cli db backup, never a plain cp of the live file). See docs/INSTALL.md.

Start, stop and restart

memora-cli start          # or /start in the console
memora-cli stop           # or /shutdown
memora-cli restart        # or /restart
memora-cli uninstall      # or /uninstall

They work out how this install runs: a systemd service is driven with systemctl, an npm or source install runs in the background (pid and log in the state folder), and inside Docker the console prints the host commands (docker start / stop / restart memora). Uninstall asks, with a checklist, whether to also delete your settings and your vault; both are kept unless you tick them. Details: docs/INSTALL.md.

Update, uninstall, troubleshooting

memora-cli update prints the right steps for your install (npm: npm install -g @codrihub/memora@latest, then memora-cli restart). Check your version with memora --version. Per install method, and for older versions without memora-cli uninstall (before 1.3.2), see Update, Uninstall by hand and Troubleshooting.

The owner can also shut the server down from the browser: Settings, Server, Shut down. Every browser and agent is disconnected until it is started again on the server. When a supervisor restarts it on its own (systemd Restart=always, Docker --restart unless-stopped), the confirmation says so and shows the stop command to use instead.

Security notes

• The owner password is hashed with argon2id. API keys (memora_live_...) and session ids are stored only as SHA-256 hashes; a key is shown once.
• Session cookies are HttpOnly and SameSite=Lax, cookie writes are checked against the request origin, and pages use a nonce-based Content-Security-Policy.
• Login and setup are rate limited with per-IP cooldowns; many failures from many IPs only slow sign-ins down and never lock the owner out.
• Forwarding headers are trusted only from loopback and MEMORA_TRUSTED_PROXIES.
• Access rules can allow or block by IP, range, CIDR and domain; loopback always stays allowed so you cannot lock yourself out.
• Terminate TLS at a reverse proxy before exposing Memora to the internet.

Report vulnerabilities privately as described in SECURITY.md.

Documentation

Document	Contents
docs/INSTALL.md	Native installer, Docker, npm, updates, uninstall, troubleshooting, reverse proxy, backups
docs/CONFIGURATION.md	Every setting and where it lives
docs/DEPLOYMENT.md	Production deployment and hardening
docs/MCP.md	Connecting agents, OAuth, tool reference
docs/API.md	HTTP API
docs/ARCHITECTURE.md	Crates, request flow, vault files
docs/DATABASE.md	State database schema

Project layout

crates/core      vault: markdown, wikilinks, search, graph, git history
crates/state     SQLite state database (memora.db)
crates/gateway   password and key hashing, access checks, environment provisioning
crates/mcp       MCP server: tool catalog, permissions, privacy
crates/http      axum server: middleware, API, OAuth, UI assets (binary: memora)
crates/cli       operator console (binary: memora-cli)
web/             web UI (TypeScript), built into crates/http/assets
docker/          container entrypoint and release Dockerfile
docs/            user and operator documentation
scripts/         installer and maintenance scripts

Versioning

Memora follows Semantic Versioning. Each release is a vX.Y.Z tag with a GitHub Release (static Linux binaries for x86_64 and aarch64 plus SHA256SUMS), npm packages for Linux and Windows, and a multi-arch image ghcr.io/codrihub/memora:X.Y.Z. Changes are listed in CHANGELOG.md.

Contributing

Contributions are welcome. Read CONTRIBUTING.md and the Code of Conduct before opening a pull request.

License

Memora is free software under the GNU Affero General Public License v3.0 or later. You may use, modify and share it, including commercially. If you distribute a modified version, or run one as a service for others, you must publish its source under the same license and keep the attribution in NOTICE: "Based on Memora by Codrihub Tech". The name and logo are covered by TRADEMARK.md.

Versions 1.3.8 and earlier were released under the MIT License.