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Datto SaaS Protection MCP Server
A Model Context Protocol server exposing the Datto SaaS Protection (Backupify) API to Claude and other MCP clients.
What it does
Surfaces SaaS backup posture for your Microsoft 365 and Google Workspace customers to AI assistants, using the documented Datto REST API (https://api.datto.com/v1/saas/...): list protected customers/domains, inspect seats and their protection state, review backup status per application, and (with confirmation) license, pause or unlicense seats in bulk.
- Interactive Seat Card (MCP Apps):
datto_saas_get_seatrenders as an interactive card in MCP Apps hosts (Claude Desktop/web) — read-only, showing seat type and Datto seat state; neutral by default, brandable viawindow.__BRAND__injection orMCP_BRAND_*env vars; plain-JSON behavior is unchanged in other hosts
Tools
| Tool | Datto endpoint | Annotations |
|---|---|---|
datto_saas_list_domains | GET /v1/saas/domains | read-only |
datto_saas_list_seats | GET /v1/saas/{saasCustomerId}/seats | read-only |
datto_saas_get_seat | GET /v1/saas/{saasCustomerId}/seats (filtered to one seat) | read-only |
datto_saas_list_applications | GET /v1/saas/{saasCustomerId}/applications | read-only |
datto_saas_get_backup_stats | GET /v1/saas/{saasCustomerId}/detailedBackupStats | read-only |
datto_saas_bulk_seat_change | PUT /v1/saas/{saasCustomerId}/{externalSubscriptionId}/bulkSeatChange | write, destructive (asks for confirmation) |
Start with datto_saas_list_domains: it returns the saasCustomerId and externalSubscriptionId every other tool needs.
Earlier versions exposedlist_clients,list_backups,queue_restore,get_restore_status,list_activityandget_license_usage. Those were built on routes Datto does not serve (/v1/saas/clients,/restores, …) and always returned 404, so they are removed.
Credentials
Create an API key in the Datto Partner Portal (Admin > Integrations > API Keys). The API uses HTTP Basic auth with the public/secret key pair. There is a single API host (api.datto.com); there is no regional (EU) API host.
Copy .env.example and set the variables below.
| Variable | Required | Description |
|---|---|---|
DATTO_SAAS_PUBLIC_KEY | For stdio and AUTH_MODE=env | Datto REST API public key |
DATTO_SAAS_SECRET_KEY | For stdio and AUTH_MODE=env | Datto REST API secret key |
MCP_TRANSPORT | No | stdio (default) or http |
AUTH_MODE | No | gateway (Docker image and Compose) or env. Gateway mode requires X-Datto-SaaS-Public-Key and X-Datto-SaaS-Secret-Key on each /mcp request and never falls back to DATTO_SAAS_*. env uses those variables only after S2S auth succeeds. Unset means env. |
CONDUIT_S2S_SECRET | Yes for HTTP | Service-to-service secret. The HTTP server logs an error and exits non-zero when this is empty or a known placeholder (changeme, secret, replace-me, your-s2s-secret, replace-with-a-real-secret, and the other example values, plus an unresolved ${...} template). Generate one with openssl rand -hex 32. Compose will not start without it. The value is never logged. |
MCP_ALLOW_INSECURE_DEV | No | Set to exactly 1 only for local development to start HTTP without CONDUIT_S2S_SECRET. The process logs a warning, does not enforce X-Gateway-S2S, and binds 127.0.0.1 only. A non-loopback MCP_HTTP_HOST (including 0.0.0.0) is overridden and that override is logged. A known placeholder secret still refuses to start. |
MCP_HTTP_HOST | No | Bind address when a real CONDUIT_S2S_SECRET is set. Unset defaults to 127.0.0.1. The container image and Compose set 0.0.0.0 inside the container. |
MCP_HTTP_PORT | No | HTTP port. Defaults to 8080. |
/health stays unauthenticated and does not read credentials. The stdio transport does not use CONDUIT_S2S_SECRET.
Local (env mode)
export DATTO_SAAS_PUBLIC_KEY="..."
export DATTO_SAAS_SECRET_KEY="..."Hosted (gateway mode)
The WYRE MCP Gateway injects credentials per request via headers:
X-Datto-SaaS-Public-Key(required, secret)X-Datto-SaaS-Secret-Key(required, secret)X-Datto-SaaS-Region(accepted for backward compatibility; ignored)
A request missing the public or secret key gets HTTP 401 and does not fall back to DATTO_SAAS_PUBLIC_KEY / DATTO_SAAS_SECRET_KEY in the process environment.
HTTP authentication
With MCP_TRANSPORT=http and CONDUIT_S2S_SECRET set, every /mcp request must include X-Gateway-S2S. The check is verifyS2sHeader in src/s2s-verify.ts: the header value is t=<unix seconds>,v1=<hex>, where the hex is HMAC-SHA256 of the literal string t=<unix seconds> keyed with CONDUIT_S2S_SECRET (64 lowercase hex characters). The timestamp must be within 300 seconds of the server clock. A missing or invalid header is HTTP 401, before vendor credentials are read.
TS=$(date +%s)
SIG=$(printf 't=%s' "$TS" | openssl dgst -sha256 -hmac "$CONDUIT_S2S_SECRET" -hex | awk '{print $NF}')
curl -sS http://127.0.0.1:8080/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-H "X-Gateway-S2S: t=${TS},v1=${SIG}" \
-H "X-Datto-SaaS-Public-Key: $DATTO_SAAS_PUBLIC_KEY" \
-H "X-Datto-SaaS-Secret-Key: $DATTO_SAAS_SECRET_KEY" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'Run
npm install
npm run build
npm start # stdio
CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" MCP_TRANSPORT=http npm startHTTP refuses to start until CONDUIT_S2S_SECRET is a real secret. Local HTTP without one is development-only and binds 127.0.0.1:
MCP_TRANSPORT=http MCP_ALLOW_INSECURE_DEV=1 npm startDocker
The image listens on 0.0.0.0 inside the container (MCP_HTTP_HOST) and defaults to AUTH_MODE=gateway. Publish the port on loopback and pass a real S2S secret. In gateway mode, Datto credentials arrive on each request as headers; they are not read from the environment.
docker build -t datto-saas-protection-mcp .
docker run \
-e CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" \
-p 127.0.0.1:8080:8080 \
datto-saas-protection-mcpCompose refuses to start when CONDUIT_S2S_SECRET is unset. The gateway service sets AUTH_MODE=gateway, does not inject DATTO_SAAS_PUBLIC_KEY or DATTO_SAAS_SECRET_KEY, and publishes 127.0.0.1:8080:8080:
CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" docker compose upSingle-tenant HTTP (AUTH_MODE=env) still requires the S2S secret, then uses DATTO_SAAS_PUBLIC_KEY and DATTO_SAAS_SECRET_KEY. It is separate from the gateway Compose service above.
docker run \
-e CONDUIT_S2S_SECRET="$CONDUIT_S2S_SECRET" \
-e AUTH_MODE=env \
-e DATTO_SAAS_PUBLIC_KEY=your-public-key \
-e DATTO_SAAS_SECRET_KEY=your-secret-key \
-p 127.0.0.1:8080:8080 \
datto-saas-protection-mcpLicense
Apache 2.0 — see LICENSE.