FFxF MCP Server

by ffxf Your server? Claim it

answering

FFxF is answering right now. Last checked 12 min ago. It exposes 71 tools.

Create and manage VMs, managed databases, firewalls and load balancers in Montréal, Canada.

Uptime history 5 days of history

5 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

403 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check FFxF every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add cloud --transport http https://ffxf.net/mcp

Settings → Connectors → Add custom connector, then paste this address

https://ffxf.net/mcp

~/.codex/config.toml

[mcp_servers.cloud]
url = "https://ffxf.net/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cloud": {
      "url": "https://ffxf.net/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cloud": {
      "type": "http",
      "url": "https://ffxf.net/mcp"
    }
  }
}

Available tools 71

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

database

create_database

Orders a managed database (PostgreSQL, MySQL, MariaDB or Valkey) in a private network, billed by the hour from now (the account needs 24 hours of credit), or by the month (730 hours) or the year (ten months) with billing; get_database_options gives each price. A monthly or yearly period comes out of credit if it covers it; otherwise billing.pending_invoice holds the invoice to pay and it stays hourly until then. Ready within minutes (status pending → active), with the admin user ffxfadmin and the logical database defaultdb (Valkey: the admin default, no logical database). Retrying the same call is safe. Scope: vms.create.

create_database_user

Creates a user with a generated password, returned here once (also readable with get_database_credentials); live within seconds. Up to 30 users. It connects only to its databases (every logical database, future ones included, when databases is omitted): it reads and writes everything there and creates tables (on PostgreSQL in public too), or only reads with read_only; elsewhere it has no access. Its connection_uri points to defaultdb, or to its first database without access to defaultdb. On Valkey, an ACL user with every key and data command (no databases, no read_only). Treat the password as a secret. Scope: databases.write.

delete_database

DELETES the database and its data; billing stops. Ask the user first. confirm_name must be the database's exact name. Its backups stay 7 days (restore_database can bring it back meanwhile). Refused while a linked fork depends on it. Scope: vms.destroy.

delete_database_user

Hands the user's objects to the admin, then drops the user. The admin (ffxfadmin, or default on Valkey) cannot be deleted. Scope: databases.write.

get_database

One database: status, connection (host, private ip, port, defaultdb and ffxfadmin; on Valkey no database and default), public access and sources, disk usage and cap, users with their databases (null: all) and read_only, logical databases and extensions, Valkey's eviction policy and data memory, backups and restore window, maintenance window, fork link, warning. No passwords. Scope: vms.read.

get_database_credentials

Every user with its password, databases and read_only, and its own connection_uri; ready-made connection strings for the admin (private network, and public when open). Treat the result as a secret: give it to the application through an environment variable or a secret store, never into code, commits or logs. Scope: databases.write.

get_database_metrics

CPU, memory, connections and commits per minute (commands per minute on Valkey) over 1h (1-minute buckets), 24h (10 minutes) or 7d (1 hour); only buckets with samples. Scope: vms.read.

get_database_options

What can be ordered: engines and versions, extensions, sizes with their hourly, monthly and yearly prices per region, and the price of disk beyond what a size includes. Call it before create_database and show the price to the user. Scope: vms.read.

list_database_backups

Completed backups (weekly full, daily differential; the transaction log is archived continuously) and the restore window: any minute in it can be restored with restore_database. On Valkey, snapshots (rdb) every hour when there were writes, all kept 24 hours, then one a day. Scope: vms.read.

set_database_public_access

Opens the database to the internet at its public host and port (IPv4 and IPv6, TLS and password still required), or closes it. sources restricts who may connect (IPv4/IPv6 addresses or ranges); omitted it is left as is, null or [] means everyone. Prefer listing the user's addresses. Live within about 30 seconds. Scope: network.write.

set_database_user_access

Sets the logical databases a user connects to (databases: a list, or null for all of them, future ones included) and whether it only reads; a field left out keeps its value. Applied within seconds; where its access is removed or lowered, its open connections are closed, so tell the user first if an application uses it. Not on the admin (it always has every database) nor on Valkey. Scope: databases.write.

update_database

Any of: the name; the weekly maintenance window (day 0 = Sunday, start hour, Montréal time, 2 hours long; minor updates, usually under 2 minutes of downtime); the disk cap (the disk grows by itself at 80 % full, up to the cap; disk beyond what the size includes is billed per GB); on Valkey, the eviction policy. Scope: databases.write.

load

create_load_balancer

Orders a load balancer in a private network, billed by the hour from now (the account needs 24 hours of credit), or by the month (7.30 CAD) or the year (73 CAD) with billing. A monthly or yearly period comes out of credit if it covers it; otherwise billing.pending_invoice holds the invoice to pay and it stays hourly until then. Ready within minutes (status pending → active); pools and listeners can be added meanwhile. Retrying the same call is safe. Scope: vms.create.

delete_load_balancer

Deletes the load balancer, its address and its configuration; billing stops. Target machines are not touched. Ask the user first. Scope: vms.destroy.

get_load_balancer

One load balancer in full: status, ipv4/ipv6 to put in DNS, pools with targets (health, sessions, response time), listeners with rules in evaluation order, certificates. Scope: vms.read.

get_load_balancer_metrics

Requests by response class, connections, bytes in/out and peak sessions over 1h (1-minute buckets), 24h (15 minutes) or 7d (1 hour), plus totals. Scope: vms.read.

list_load_balancers

The account's load balancers with their addresses, pools, targets and health, listeners and rules, certificates; plus the quota. Scope: vms.read.

firewall

create_firewall

Creates a reusable set of inbound and outbound rules. Without rules it starts with SSH (TCP 22) and ping open from anywhere; pass rules: [] for none. Nothing is filtered until it is attached to a machine. Scope: network.write.

delete_firewall

Deletes a firewall attached to no machine. Refused while it protects one: detach it first. Scope: network.write.

get_firewall

One firewall: its rules and the machines it protects, with the status of each (applied, pending, error). Scope: vms.read.

update_firewall

rules REPLACES the whole list and is applied at once to every attached machine: send every rule to keep, not only the new one (read get_firewall first). Removing the SSH rule can lock the agent out. pending_machines counts machines not updated yet, retried automatically. Scope: network.write.

ssh

add_ssh_key

Saves a public key on the account so new machines can be reached without a password. Scope: sshkeys.write.

delete_ssh_key

Removes a key from the account. Machines already deployed with it keep it; only future deployments change. Scope: sshkeys.write.

list_ssh_keys

SSH keys saved on the account, to pass to create_vm. Scope: sshkeys.write or vms.read.

vpc

create_vpc

Creates an isolated private network; ready when the call returns. The first usable address (.1) is reserved for the gateway. Scope: network.write.

delete_vpc

Deletes an empty private network. Refused while a machine is still on it: disconnect or destroy those first. Ask the user first. Scope: network.write.

get_vpc

One private network and the machines on it, with their private address. Scope: vms.read.

detach

detach_database_fork

Gives a linked fork its own copy of the data; the database is unavailable for about 30 seconds, then its backups start. Scope: vms.action.

detach_firewall

Removes the firewall's rules from the machine; with no other firewall it accepts all inbound traffic again. Scope: network.write.

logical

create_logical_database

Creates another database inside the managed database (like defaultdb), owned by the admin; up to 30. Not on Valkey (numbered databases, SELECT 0 to 15). Scope: databases.write.

delete_logical_database

DROPS the logical database with everything in it (the backups keep it 7 days). Ask the user first. Scope: databases.write.

upsert

upsert_listener

An entry port on the load balancer's address. Without listener: opens one (port and protocol required, up to 5; 22 and 8402 are reserved). https gets certificates for its rules' hostnames; redirect_https makes port 80 redirect to it. A tcp listener needs a tcp default_pool. sources restricts who may connect (null: everyone); with an https listener, port 80 stays open to everyone. Scope: network.write.

upsert_pool

Without pool: creates one (name required, up to 10). With pool: changes only the fields given. Deleting a pool also removes its targets and the rules leading to it. Scope: network.write.

account

get_account

Credit balance, hourly burn rate and runway, quota and budget caps. Scope: billing.read.

action

get_action

Follows an asynchronous action (create, reinstall, power…). Poll until status leaves running; on error it carries the reason. Scope: vms.read.

actions

list_vm_actions

History of actions on one machine, from the API and the console. Scope: vms.read.

attach

attach_firewall

From now on the machine refuses inbound traffic no rule of its firewalls opens; enforced within about ten seconds of the call. Up to 5 firewalls per machine, rules add up. Refused for a machine with no public address. Attaching again is harmless. Scope: network.write.

backup

backup_database

Starts a differential backup within a minute, e.g. before a risky migration. Not available on a linked fork. Scope: backups.write.

connect

connect_vpc

Hot-adds a card on the private network and sets its address in the system, without a restart. configuration: manual means the address must be set by hand in the guest. Connecting again returns the same address. Scope: network.write.

create

create_vm

Orders a machine and spends credit (hourly) or raises an invoice (monthly). Returns the machine and a provisioning action to poll with get_action. Retrying the same order is safe: it is deduplicated for 24 hours. Scope: vms.create.

databases

list_databases

The account's managed databases with their status, private and public addresses, disk, backups and billing (no passwords), plus the quota. Scope: vms.read.

destroy

destroy_vm

DESTROYS the machine and its disk, with no undo and no backup kept. Ask the user first. confirm_hostname must be the machine's exact hostname. Scope: vms.destroy.

disable

disable_extension

Drops the extension without CASCADE: if objects depend on it, it stays and get_database shows why in warning. Scope: databases.write.

disconnect

disconnect_vpc

Removes the machine's private address and card, without a restart. Refused for the only network of a machine with no public address. Scope: network.write.

enable

enable_extension

PostgreSQL only. Enables an extension from get_database_options (vector for pgvector, postgis, pg_trgm…) in one logical database; installed on demand, live within a minute. Scope: databases.write.

estimate

estimate_vm

Runs every check of create_vm and prices it, without creating anything: would_succeed, hourly rate, monthly price, credit required. Call it before create_vm. Scope: vms.create.

firewalls

list_firewalls

The account's firewalls with their inbound rules and the machines they protect, plus the quota. Scope: vms.read.

fork

fork_database

Creates a NEW database, billed like any other, whose data is an instant copy of this one (for a test or staging copy), with the same users and passwords. It stays linked to its source for up to 7 days (no backups of its own, the source cannot be deleted) unless detach_database_fork ends that sooner. Retrying the same call is safe. Scope: vms.create.

get

get_vm

One machine: status, IPv4, IPv6 /64, specs, traffic (Internet only, this traffic month: used_gb, limit_gb, period_ends_at), billing, suspension. Scope: vms.read.

images

list_images

Operating systems and ready-to-use application images. The slug is what create_vm expects. Public, no key needed.

listener

delete_listener

Closes the port and removes its rules. Scope: network.write.

metrics

get_vm_metrics

CPU, memory, disk and network as measured from outside the machine. Scope: vms.read.

move

move_vpc

Joins the target network, then leaves this one, so the machine is never cut off. Keeps the same address ending when free. Scope: network.write.

network

get_vm_network

IPv4 and IPv6 addresses of a machine with their reverse DNS, and its private networks. Scope: vms.read.

plans

list_plans

Plans with their resources and prices (hourly and monthly, in CAD). Public, no key needed.

pool

delete_pool

Removes a pool, its targets and the rules leading to it. Scope: network.write.

power

power_vm

start, shutdown (clean ACPI), reboot, or stop (hard power-off). Returns an action to poll with get_action. Scope: vms.action.

regions

list_regions

Where machines can run. Public, no key needed.

reinstall

reinstall_vm

ERASES THE DISK and redeploys another image. Ask the user first. confirm_hostname must be the machine's exact current hostname. Scope: vms.action.

rename

rename_vm

Changes the hostname, inside the guest and in the console. Scope: vms.action.

reset

reset_database_password

Gives the user a new password, returned here; the old one stops working within seconds, so update the application first or right after. Scope: databases.write.

resize

resize_database

Moves the database to a LARGER size (more vCPU, memory and included disk; see get_database_options): same data, users, names and addresses. It restarts: one to two minutes of downtime, status maintenance meanwhile (resize.to_gb set), then active with the new size_gb. The new rate applies from the next hour. Larger sizes only, there is no way back: tell the user the new price and the downtime first. Retrying the same call is safe. Scope: vms.create.

restore

restore_database

Creates a NEW database, billed like any other, holding the data as it was at a given minute of the source's restore window (list_database_backups; Valkey: the last snapshot before that minute), with the same users and passwords. The source is not touched and may have been deleted in the last 7 days. Retrying the same call is safe. Scope: vms.create.

reverse

set_reverse_dns

Sets the PTR record of one of the machine's addresses; null restores the default. Scope: network.write.

rules

set_rules

REPLACES the http/https listener's rules: each sends a hostname and/or path prefix to an http pool (up to 25). They are evaluated most specific first, whatever the order sent; anything unmatched goes to the default pool. No wildcard hostname on https. Each https hostname gets a certificate once it points to the load balancer. Scope: network.write.

runner

list_runner_jobs

Jobs that ran or wait on FFxF runners, most recent first: repository, workflow and job, label, status (queued with waiting_reason credit, budget or account; running; succeeded; failed, stopped_for_credit when the credit ran out; cancelled; refused with refusal), times, billed minutes and amount, link to the run. Scope: billing.read.

runners

get_runners

The runs-on labels with their vCPU, memory and price per minute, the account's concurrency (vCPU of jobs starting or running, and the cap), the linked GitHub organizations and accounts, this month's minutes and cost per repository, the actions cache next to the runners (bytes, entries and last use per repository, price per GB per month), and the Docker cache per repository (enabled in the console, bytes, last successful job). Scope: billing.read.

slow

get_slow_queries

The 20 queries with the most total time (pg_stat_statements, values replaced by $1, $2…; performance_schema on MySQL and MariaDB, values replaced by ?): calls, total and mean time, rows. A starting point for indexes. On Valkey, the commands with the most total time since the engine started (GET, HSET…). Scope: vms.read.

targets

set_targets

REPLACES the pool's targets with exactly this list (up to 25): send every target to keep. Each machine must be in the load balancer's private network (connect_vpc first). drain: true stops new connections to a target before maintenance. Scope: network.write.

vms

list_vms

The account's machines with their status, addresses and billing. Scope: vms.read.

vpcs

list_vpcs

The account's private networks with their range, gateway and connected machines, plus the quota. Scope: vms.read.

Endpoints

URL	Transport	State	Latency	Checked
https://ffxf.net/mcp	streamable-http	answering	404 ms	12 min ago

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FFxF — questions

Answers built from our own checks of this server.

What can FFxF do?

It exposes 71 tools, read directly from the server on our last check. Among them: add_ssh_key, attach_firewall, backup_database, connect_vpc, create_database, create_database_user and 65 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

What is FFxF mostly used for?

Its tools cluster around database, load and firewall. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.

Is FFxF working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 403 ms. The bar chart above shows every period we have measured.

How do I connect FFxF?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does FFxF need an API key?

No. FFxF completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 71 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is FFxF?

It answers our handshake in 403 ms on average, which is faster than 33% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.