magpie/main.go

// magpie — one place to pick every agent's model.
package main

import (
	"context"
	"errors"
	"fmt"
	"os"
	"slices"
	"strings"
	"time"

	"github.com/charmbracelet/lipgloss"

	"github.com/yetone/magpie/internal/agent"
	"github.com/yetone/magpie/internal/appdir"
	"github.com/yetone/magpie/internal/catalog"
	"github.com/yetone/magpie/internal/claudebridge"
	"github.com/yetone/magpie/internal/davsync"
	"github.com/yetone/magpie/internal/gateway"
	"github.com/yetone/magpie/internal/imagemcp"
	"github.com/yetone/magpie/internal/netproxy"
	"github.com/yetone/magpie/internal/proc"
	"github.com/yetone/magpie/internal/profile"
	"github.com/yetone/magpie/internal/provider"
	"github.com/yetone/magpie/internal/sessions"
	"github.com/yetone/magpie/internal/settings"
	"github.com/yetone/magpie/internal/tui"
	"github.com/yetone/magpie/internal/update"
)

var version = "dev"

const usage = `magpie — one place to pick every agent's model

  magpie                          open the app: a window plus a menu bar icon
  magpie tray                     start in the menu bar only
  magpie panel                    open the menu bar icon's quick panel, or close it
  magpie autostart [on|off]       open magpie (in the menu bar) when you log in, or say whether it does
  magpie tui                      the same thing, in the terminal (serves the gateway while open when no magpie does)
  magpie web [--addr host:port] [--lan] [--no-open] [--gateway]
                                  the app's window in a browser, with the gateway (no desktop needed: WSL, a server over SSH)
                                  a new key each run; MAGPIE_WEB_KEY (16+ letters, digits, - . _ ~) keeps one, signed in for 400 days
                                  --gateway: gateway mode, no Agents, Sessions or Library (on by itself with no agents here; Settings › General turns it off)
  magpie ls                       list detected agents and their settings
  magpie <agent>                  show one agent
  magpie <agent> <model>          set an agent's model   e.g. magpie claude deepseek/deepseek-chat
  magpie <agent> <field> <value>  set another field   e.g. magpie codex effort high
  magpie <agent> default          take magpie out: the agent back on what it had before
  magpie <agent> <field> default  that field back to the agent's own default

  magpie save <name>              snapshot every agent's settings as a profile
  magpie use <name>               apply a profile
  magpie profiles                 list profiles
  magpie rm <name>                delete a profile

  magpie backup [--no-keys] [--no-library] [file]    providers, keys, settings, profiles, agent models and the library in one file, sealed with a passphrase
  magpie restore [--no-agents] [--no-library] <file> put a backup in on this machine
  magpie webdav [on <address>|set k=v…|now|off]      the same, kept the same on every computer through a WebDAV folder (magpie webdav help)
  magpie s3 [on s3://<bucket>[/<prefix>]|set k=v…|now|off]   the same through an S3-compatible bucket: AWS, R2, B2, MinIO… (magpie s3 help)

  magpie library [sync|instructions|mcp|skill]   the instructions, MCP servers and skills written into every agent (magpie library help)

  magpie providers                list your providers: host, key, models, who uses them
  magpie presets                  the vendors magpie knows: add one with just a key
  magpie provider add <preset> <key>   e.g. magpie provider add deepseek sk-…
  magpie provider add <name> k=v…      a custom vendor (magpie provider for the fields)
  magpie provider key|models|test|rm <id>
  magpie provider fallback <id> <provider/model>…   use these when it's out of quota or down
  magpie import [-y] <link>       add the provider a magpie://import?… link describes
  magpie models [<agent>]         every model agents can pick, as provider/model; an agent's, and why others aren't
  magpie model name <provider/model> <name>|--reset       the name a model goes by, everywhere
  magpie model efforts <provider/model> <l>,<l>|--reset   the reasoning levels a model offers (magpie model help)
  magpie visible [<agent> <family|provider|group>,… | all]
                                  which models an agent is shown: families (magpie provider/group set <id> family=…)
  magpie search [add <api> <key>|rm <api>]   Tavily, Brave, Exa, Firecrawl or SearXNG for web search when no provider can search
  magpie groups                   routing groups: several models agents pick as one, group/<id>
  magpie group add <name> models=<m1>,<m2> [routing=smart|order|rotate|usage|pace] [stays=auto|session|turn|off]
  magpie group <id> | set <id> k=v… | rm <id>   show, change or remove one (magpie group help for more)
  magpie accounts [agent] [--json]  every subscription magpie knows, with each one's allowance used and when it resets
  magpie accounts add <agent>     sign in to one more Claude, ChatGPT or Google (Gemini CLI, Antigravity) subscription
  magpie accounts add copilot [--host <name>.ghe.com]   one more Copilot account, on github.com or an enterprise's GHE.com
  magpie accounts switch <agent> <email>   sign the agent in to another of them
  magpie accounts refresh         renew the saved ChatGPT sign-ins now (the gateway does it daily)
  magpie accounts checkin         WorkBuddy's daily check-in (签到) for each WorkBuddy account, now (Settings can do it daily)
  magpie accounts project <gemini|antigravity> <email> <project>   the Google Cloud project a Google account's requests go to
  magpie plugin [add <package>|rm|update|on|off|login <provider>|logout <provider>]
                                  OpenCode provider plugins and pi packages: subscriptions signed in to, and served, through a plugin
  magpie plugin move|migrate <subscription>   run a built-in subscription's accounts on its community plugin
  magpie plugin move-back|unmigrate <subscription>   go back to the built-in, with its accounts

  magpie serve                    run the gateway alone (the app runs it too)
  magpie healthcheck              exit 0 when the gateway answers (a container's HEALTHCHECK)
  magpie gateway-key list|add <name>|rotate <id>|remove <id>   manage the keys clients use to call a shared gateway
  magpie gateway-key limit <id> [off|day|week|month --tokens N --cost USD --cache-reads]   a key's own limit, and what it used
  magpie gateway-key models <id> [all|<provider>/<model>|<provider>/* ...]   the models a key may use, every one unless it names some
  magpie mcp image                the image and video generation MCP server an agent is given from the library (stdio)
  magpie usage [today|7d|30d|all] tokens and cost per agent, model and subscription account (30d)
  magpie usage --csv [--account <name>] [today|7d|30d|all]   every request as CSV (or one account's): the model asked for, sent and served, tokens, cost, time, status, account
  magpie sessions [--model <m>] [--folder <f>] [--json]   the latest Claude Code, Codex, OpenCode and Pi sessions, with what each cost
  magpie sessions --days N|today|all [--model <m>] [--folder <f>] [--json]
                                  what every session spent, day by day, with the top models and folders (7 days)
  magpie quota [<provider>] [--json]  what is left of every subscription, plan and key balance
  magpie quota wait <provider|account> [--timeout <d>] [--quiet]
                                  block until that subscription (any of its accounts) or account has allowance again
  magpie quota history [<provider|account>] [--days N] [--json]
                                  each window's readings over time, kept 45 days
  magpie sync                     refresh the model catalog and vendor model lists
  magpie agents                   list every supported agent
  magpie update [check] [--proxy <url>] [--mirror <prefix>]
                                  install the newest release (check: only say if there is one); --proxy: an
                                  http(s):// or socks5:// proxy for it; --mirror: a GitHub download mirror put
                                  before the github.com URL (none unless given; still checked against usemagpie.ai's SHA-256)
  magpie update mirror [<prefix>|off]  the mirror every update, the app's own too, is downloaded through
  magpie update auto [on|off] [30m|1h|6h|24h]  whether the app looks for updates by itself, and how often (6h)

agents: claude (cc), codex, gemini, opencode (oc), mimocode, pi, goose, cursor, zed, copilot, crush, aside
`

var (
	bold  = lipgloss.NewStyle().Bold(true)
	muted = lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "#8B8F98", Dark: "#7C8290"})
	faint = lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "#C4C7CE", Dark: "#4A4F5A"})
	green = lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "#0F9D58", Dark: "#7EE2A8"})
)

func main() {
	// before anything reads or writes a file: no home, or a relative one,
	// would put the agents' configs and magpie's keys under the working
	// folder. What needs no file still answers (magpie version in a
	// container or a script without HOME): run makes magpie's folders first.
	ignored, err := appdir.CheckEnv()
	if err != nil {
		if len(os.Args) > 1 {
			switch os.Args[1] {
			case "-v", "--version", "version":
				fmt.Println("magpie", version)
				return
			case "-h", "--help", "help":
				fmt.Print(usage)
				return
			}
		}
		fmt.Fprintln(os.Stderr, "magpie:", err)
		os.Exit(1)
	}
	slices.Sort(ignored)
	for _, v := range ignored {
		fmt.Fprintf(os.Stderr, "magpie: ignoring %s: not an absolute path (the programs magpie starts still get it)\n", v)
	}
	if provider.TookOpenedURL(os.Args[1:]) {
		// Claude Code, signing in for magpie, handed over the page to open
		return
	}
	endProbesOnSignal()
	gateway.Version = version
	netproxy.Install()
	update.GUI = hasGUI
	err = run(os.Args[1:])
	proc.EndProbes() // a CLI still being asked something isn't left to init
	sessions.Saved() // the session index kept, for the next run
	if err != nil {
		// a command with exit codes of its own (quota wait) says which
		code := 1
		var e exitError
		if errors.As(err, &e) {
			code = e.code
		}
		if msg := err.Error(); msg != "" {
			fmt.Fprintln(os.Stderr, "magpie:", msg)
		}
		os.Exit(code)
	}
}

// runTUI runs the TUI, which quits on Ctrl+C and SIGTERM itself once it
// has started; it asks CLIs first, and a signal then ends those.
func runTUI() error {
	return tuiRun(ownSignals)
}

// tuiRun is tui.Run; a var so tests can stand in for it.
var tuiRun = tui.Run

func run(args []string) error {
	if len(args) > 0 && args[0] == "healthcheck" {
		return healthcheck() // every few seconds in a container: nothing else
	}
	if len(args) == 2 && args[0] == agent.DryRunArg {
		// an agent disconnected on a copy of its files under a temporary
		// home, for the Agents page to show what disconnecting changes
		// (agent.DisconnectPreview)
		return agent.DryRun(args[1])
	}
	// started by an update, the magpie it replaces goes first: the moves
	// below write the files it may still be writing
	update.AwaitPredecessor()
	makeDirs()
	settings.Migrate()
	// the providers and settings read once for every agent's fields, which
	// the moves below look at (a write among them reads them again)
	release := provider.Hold()
	agent.RenameLegacy()
	agent.MoveCursorEfforts()
	agent.MoveAntigravityEfforts()
	agent.MoveOffAccountIDs()
	release()
	// a provider added, edited or removed, or a list fetched anew, reaches
	// the model lists agents keep in files of their own
	catalog.Changed = agent.SyncCatalog
	// a model Claude Code names that magpie doesn't serve goes to the one
	// it is set to use for that tier
	gateway.StandIn = agent.StandIn
	// the setup kept the same on every computer, by whichever serves
	gateway.WhileServing = append(gateway.WhileServing, davsync.Run)
	// and dsh's patch lists, which dsh reads live: a route left behind by
	// something else writing the file fails every session there until
	// magpie writes its own list again
	gateway.WhileServing = append(gateway.WhileServing, agent.KeepDshWired)
	// and Cursor Private Inference's variables, which the Mac's launchd
	// forgets at a restart, for the gateway's address now
	gateway.WhileServing = append(gateway.WhileServing, agent.KeepCursorLocalEnv)
	// and the request archive, when it is on, goes to the bucket sync is to
	gateway.ArchiveBucket = func() (gateway.Putter, bool) {
		if b, ok := davsync.S3Bucket(); ok {
			return b, true
		}
		return nil, false
	}
	if len(args) == 0 {
		if hasGUI {
			return runGUI(true, "")
		}
		return runTUI()
	}
	// a magpie:// link the system handed over (Windows, Linux): the app
	// opens it for the user to confirm
	if strings.HasPrefix(strings.ToLower(args[0]), "magpie:") {
		if !hasGUI {
			return importCmd(args)
		}
		return runGUI(false, args[0])
	}
	switch args[0] {
	case "tui":
		return runTUI()
	case "web":
		return webCmd(args[1:])
	case "app", "gui":
		// `magpie gui settings`: the window on that tab, as a restart to
		// update from it comes back (update.RelaunchArgs)
		if len(args) > 1 {
			return runWindow(args[1])
		}
		return runGUI(true, "")
	case "tray":
		return runGUI(false, "")
	case "-Embedding":
		// Windows starting magpie for a click on one of its notifications
		// (a usage alert, #368) left in the Action Center after it quit:
		// the window, on the Usage page
		return runWindow("usage")
	case "panel":
		return runPanel()
	case "autostart":
		return autostartCmd(args[1:])
	case "-h", "--help", "help":
		fmt.Print(usage)
		return nil
	case "-v", "--version", "version":
		fmt.Println("magpie", version)
		return nil
	case "ls", "list":
		// in the order the app lists them; those hidden there come last, dimmed
		shown, hidden := settings.Arrange(settings.Load(), agent.Detected(), func(a *agent.Agent) string { return a.ID })
		return list(append(shown, hidden...), true, len(shown))
	case "agents":
		return list(agent.All(), false, -1)
	case "sync":
		ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
		defer cancel()
		if err := catalog.Sync(ctx); err != nil {
			return err
		}
		fmt.Println(green.Render("✓"), "catalog saved to", catalog.CachePath())
		refreshLive(ctx)
		return nil
	case "save", "use", "rm", "profiles":
		return profiles(args)
	case "import":
		return importCmd(args[1:])
	case "providers":
		return providers()
	case "presets":
		return presets()
	case "provider":
		return providerCmd(args)
	case "models":
		return models(args[1:])
	case "model":
		return modelCmd(args[1:])
	case "visible":
		return visibleCmd(args[1:])
	case "search":
		return searchCmd(args[1:])
	case "groups":
		return groups()
	case "group":
		return groupCmd(args)
	case "serve":
		return serve()
	case "gateway-key":
		return gatewayKeys(args)
	case "accounts", "account":
		return accountsCmd(args)
	case "usage":
		return usageCmd(args)
	case "sessions":
		return sessionsCmd(args)
	case "quota", "quotas":
		return quotaCmd(args)
	case "update":
		return updateCmd(args)
	case "library", "lib":
		return libraryCmd(args)
	case "backup":
		return backupCmd(args[1:])
	case "restore":
		return restoreCmd(args[1:])
	case "webdav", "dav":
		return webdavCmd(args[1:])
	case "plugin", "plugins":
		return pluginCmd(args)
	case "s3":
		return s3Cmd(args[1:])
	case "mcp":
		return imagemcp.Run(args[1:])
	case "claude-mcp-helper": // internal: stdio MCP subprocess spawned by Claude Code
		return claudebridge.RunMCP(args[1:])
	}

	a, err := agent.Find(args[0])
	if err != nil {
		return err
	}
	if len(a.Fields) == 0 && a.Import != nil {
		// `magpie cindy`: it takes magpie through its own link, confirmed there
		if len(args) > 1 {
			link := a.Import()
			openInBrowser(link)
			fmt.Println(green.Render("✓"), bold.Render(a.Name), muted.Render("opened to add magpie — confirm it there"))
			fmt.Println(muted.Render("  " + link))
			return nil
		}
	}
	switch len(args) {
	case 1:
		return list([]*agent.Agent{a}, true, -1)
	case 2:
		if args[1] == "default" {
			if a.Wired() {
				return disconnect(a)
			}
			return set(a, a.Fields[0].Key, "")
		}
		// `magpie codex xhigh`: a bare value that belongs to a non-model field
		// (effort levels, for instance) is routed there; anything else is a model.
		if f := fieldForValue(a, args[1]); f != nil {
			return set(a, f.Key, args[1])
		}
		return set(a, a.Fields[0].Key, args[1])
	case 3:
		if args[2] == "default" {
			args[2] = ""
		}
		return set(a, args[1], args[2])
	}
	return fmt.Errorf("too many arguments\n\n%s", usage)
}

func set(a *agent.Agent, key, value string) error {
	f := a.Field(key)
	if f == nil {
		var keys []string
		for _, f := range a.Fields {
			keys = append(keys, f.Key)
		}
		return fmt.Errorf("%s has no field %q (fields: %s)", a.Name, key, strings.Join(keys, ", "))
	}
	value, err := a.Spell(f.Key, value)
	if err != nil {
		return err
	}
	before := f.Get()
	if err := a.Apply(f.Key, value); err != nil {
		return err
	}
	// what the config reads now, not what was asked: an agent may name the
	// model under a provider of its own (OpenCode's magpie-relay/…), and a
	// value it had already is said to be so
	now := f.Get()
	shown := now
	if value == "" || now == "" {
		shown = muted.Render("default")
	}
	if now == before {
		shown += " " + muted.Render("(unchanged)")
	}
	fmt.Println(green.Render("✓"), bold.Render(a.Name), muted.Render(f.Label), shown)
	if a.Notice != nil {
		if n := a.Notice(); n != "" {
			fmt.Println(muted.Render("  ↻ " + n))
		}
	}
	return nil
}

// disconnect is `magpie <agent> default` on an agent magpie is wired into:
// the Agents page's Disconnect, which puts back what the user had before
// magpie — Claude Code's own model, its endpoint — where a field's default
// leaves the agent as installed (__jingling on X: magpie claude default
// took the model they had set away with magpie's)
func disconnect(a *agent.Agent) error {
	before := a.Values()
	if err := a.Disconnect(); err != nil {
		return err
	}
	now := a.Values()
	for _, f := range a.Fields {
		if before[f.Key] == now[f.Key] {
			continue
		}
		shown := now[f.Key]
		if shown == "" {
			shown = muted.Render("default")
		}
		fmt.Println(green.Render("✓"), bold.Render(a.Name), muted.Render(f.Label), shown)
	}
	fmt.Println(muted.Render("  disconnected from magpie, back to what it had before"))
	if a.Notice != nil {
		if n := a.Notice(); n != "" {
			fmt.Println(muted.Render("  ↻ " + n))
		}
	}
	return nil
}

func fieldForValue(a *agent.Agent, v string) *agent.Field {
	vals := a.Values()
	// the agent's suffix after a model (omp's ":max") aside: a role on the
	// same model at that level offers it as typed, and would take it. A list
	// of models no picker offers: it is for the model
	if a.SplitSuffix != nil {
		m, _, one := a.SplitSuffix(v)
		if !one {
			return nil
		}
		v = m
	}
	// a model stays with the model, even where other fields offer it too
	// (Claude Code's opus/sonnet/haiku/fable)
	for _, o := range a.Fields[0].Options(vals) {
		if o.Value == v {
			return nil
		}
	}
	for i := 1; i < len(a.Fields); i++ {
		for _, o := range a.Fields[i].Options(vals) {
			if o.Value == v {
				return &a.Fields[i]
			}
		}
	}
	return nil
}

// list prints the agents; those from dimFrom on (when not -1) are the ones
// hidden in the app, and are dimmed.
func list(agents []*agent.Agent, detectedOnly bool, dimFrom int) error {
	if len(agents) == 0 {
		return fmt.Errorf("no supported agents found on this machine")
	}
	type row struct{ name, vals, path string }
	var rows []row
	nameW, valW := 0, 0
	for i, a := range agents {
		r := row{name: a.Name, path: tilde(a.Path)}
		if !detectedOnly && !a.Detected() {
			r.name = faint.Render(a.Name)
			r.vals = faint.Render("not detected")
			r.path = ""
		} else {
			vals := a.Values()
			dim := dimFrom >= 0 && i >= dimFrom
			label, value := muted, lipgloss.NewStyle()
			if dim {
				label, value = faint, faint
			}
			var parts []string
			for _, f := range a.Fields {
				v := vals[f.Key]
				if v == "" && f.Quiet {
					continue
				}
				if v == "" {
					v = faint.Render("—")
				} else {
					v = value.Render(v)
				}
				if f.Label == "model" {
					parts = append(parts, v)
				} else {
					parts = append(parts, label.Render(f.Label)+" "+v)
				}
			}
			r.name = bold.Render(a.Name)
			if dim {
				r.name = faint.Render(a.Name) + " " + faint.Render("hidden")
			}
			r.vals = strings.Join(parts, label.Render("  ·  "))
			if a.Import != nil {
				if a.Added != nil && a.Added() {
					r.vals = value.Render("magpie added")
				} else {
					r.vals = label.Render("magpie "+a.ID+" add") + faint.Render("  to add magpie")
				}
			}
		}
		nameW = max(nameW, lipgloss.Width(r.name))
		valW = max(valW, lipgloss.Width(r.vals))
		rows = append(rows, r)
	}
	for _, r := range rows {
		fmt.Printf("  %s  %s  %s\n", pad(r.name, nameW), pad(r.vals, valW), faint.Render(r.path))
	}
	return nil
}

func tilde(p string) string {
	if home, err := os.UserHomeDir(); err == nil && strings.HasPrefix(p, home) {
		return "~" + p[len(home):]
	}
	return p
}

func profiles(args []string) error {
	switch args[0] {
	case "profiles":
		ps, err := profile.Load()
		if err != nil {
			return err
		}
		if len(ps) == 0 {
			fmt.Println(muted.Render("no profiles yet · magpie save <name>"))
			return nil
		}
		for _, n := range profile.Names(ps) {
			fmt.Printf("  %s  %s\n", bold.Render(n), muted.Render(profile.LongSummary(ps[n])))
		}
		return nil
	case "save":
		if len(args) < 2 {
			return fmt.Errorf("usage: magpie save <name>")
		}
		p, err := profile.Snapshot()
		if err != nil {
			return err
		}
		if err := profile.Save(args[1], p); err != nil {
			return err
		}
		fmt.Println(green.Render("✓"), "saved profile", bold.Render(args[1]))
		if p.Library != nil {
			fmt.Println(" ", muted.Render("with the "+p.Library.Summary()))
		}
		return nil
	case "use":
		if len(args) < 2 {
			return fmt.Errorf("usage: magpie use <name>")
		}
		ps, err := profile.Load()
		if err != nil {
			return err
		}
		p, ok := ps[args[1]]
		if !ok {
			return fmt.Errorf("no profile named %q", args[1])
		}
		a, err := profile.Apply(p)
		if err != nil {
			return err
		}
		fmt.Println(green.Render("✓"), "applied", bold.Render(args[1]), muted.Render(fmt.Sprintf("(%d changed)", a.Changed)))
		for _, line := range profile.Report(a) {
			fmt.Println(" ", muted.Render(line))
		}
		return nil
	case "rm":
		if len(args) < 2 {
			return fmt.Errorf("usage: magpie rm <name>")
		}
		if err := profile.Delete(args[1]); err != nil {
			return err
		}
		fmt.Println(green.Render("✓"), "deleted profile", bold.Render(args[1]))
		return nil
	}
	return nil
}

func pad(s string, w int) string {
	if n := w - lipgloss.Width(s); n > 0 {
		return s + strings.Repeat(" ", n)
	}
	return s
}