1package config
2
3import (
4 "cmp"
5 "context"
6 "fmt"
7 "log/slog"
8 "net/http"
9 "net/url"
10 "os"
11 "slices"
12 "strings"
13 "time"
14
15 "github.com/charmbracelet/catwalk/pkg/catwalk"
16 "github.com/charmbracelet/crush/internal/csync"
17 "github.com/charmbracelet/crush/internal/env"
18 "github.com/charmbracelet/crush/internal/oauth"
19 "github.com/charmbracelet/crush/internal/oauth/claude"
20 "github.com/invopop/jsonschema"
21 "github.com/tidwall/sjson"
22)
23
24const (
25 appName = "crush"
26 defaultDataDirectory = ".crush"
27 defaultInitializeAs = "AGENTS.md"
28)
29
30var defaultContextPaths = []string{
31 ".github/copilot-instructions.md",
32 ".cursorrules",
33 ".cursor/rules/",
34 "CLAUDE.md",
35 "CLAUDE.local.md",
36 "GEMINI.md",
37 "gemini.md",
38 "crush.md",
39 "crush.local.md",
40 "Crush.md",
41 "Crush.local.md",
42 "CRUSH.md",
43 "CRUSH.local.md",
44 "AGENTS.md",
45 "agents.md",
46 "Agents.md",
47}
48
49type SelectedModelType string
50
51const (
52 SelectedModelTypeLarge SelectedModelType = "large"
53 SelectedModelTypeSmall SelectedModelType = "small"
54)
55
56const (
57 AgentCoder string = "coder"
58 AgentTask string = "task"
59)
60
61type SelectedModel struct {
62 // The model id as used by the provider API.
63 // Required.
64 Model string `json:"model" jsonschema:"required,description=The model ID as used by the provider API,example=gpt-4o"`
65 // The model provider, same as the key/id used in the providers config.
66 // Required.
67 Provider string `json:"provider" jsonschema:"required,description=The model provider ID that matches a key in the providers config,example=openai"`
68
69 // Only used by models that use the openai provider and need this set.
70 ReasoningEffort string `json:"reasoning_effort,omitempty" jsonschema:"description=Reasoning effort level for OpenAI models that support it,enum=low,enum=medium,enum=high"`
71
72 // Used by anthropic models that can reason to indicate if the model should think.
73 Think bool `json:"think,omitempty" jsonschema:"description=Enable thinking mode for Anthropic models that support reasoning"`
74
75 // Overrides the default model configuration.
76 MaxTokens int64 `json:"max_tokens,omitempty" jsonschema:"description=Maximum number of tokens for model responses,maximum=200000,example=4096"`
77 Temperature *float64 `json:"temperature,omitempty" jsonschema:"description=Sampling temperature,minimum=0,maximum=1,example=0.7"`
78 TopP *float64 `json:"top_p,omitempty" jsonschema:"description=Top-p (nucleus) sampling parameter,minimum=0,maximum=1,example=0.9"`
79 TopK *int64 `json:"top_k,omitempty" jsonschema:"description=Top-k sampling parameter"`
80 FrequencyPenalty *float64 `json:"frequency_penalty,omitempty" jsonschema:"description=Frequency penalty to reduce repetition"`
81 PresencePenalty *float64 `json:"presence_penalty,omitempty" jsonschema:"description=Presence penalty to increase topic diversity"`
82
83 // Override provider specific options.
84 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for the model"`
85}
86
87type ProviderConfig struct {
88 // The provider's id.
89 ID string `json:"id,omitempty" jsonschema:"description=Unique identifier for the provider,example=openai"`
90 // The provider's name, used for display purposes.
91 Name string `json:"name,omitempty" jsonschema:"description=Human-readable name for the provider,example=OpenAI"`
92 // The provider's API endpoint.
93 BaseURL string `json:"base_url,omitempty" jsonschema:"description=Base URL for the provider's API,format=uri,example=https://api.openai.com/v1"`
94 // The provider type, e.g. "openai", "anthropic", etc. if empty it defaults to openai.
95 Type catwalk.Type `json:"type,omitempty" jsonschema:"description=Provider type that determines the API format,enum=openai,enum=openai-compat,enum=anthropic,enum=gemini,enum=azure,enum=vertexai,default=openai"`
96 // The provider's API key.
97 APIKey string `json:"api_key,omitempty" jsonschema:"description=API key for authentication with the provider,example=$OPENAI_API_KEY"`
98 // OAuthToken for providers that use OAuth2 authentication.
99 OAuthToken *oauth.Token `json:"oauth,omitempty" jsonschema:"description=OAuth2 token for authentication with the provider"`
100 // Marks the provider as disabled.
101 Disable bool `json:"disable,omitempty" jsonschema:"description=Whether this provider is disabled,default=false"`
102
103 // Custom system prompt prefix.
104 SystemPromptPrefix string `json:"system_prompt_prefix,omitempty" jsonschema:"description=Custom prefix to add to system prompts for this provider"`
105
106 // Extra headers to send with each request to the provider.
107 ExtraHeaders map[string]string `json:"extra_headers,omitempty" jsonschema:"description=Additional HTTP headers to send with requests"`
108 // Extra body
109 ExtraBody map[string]any `json:"extra_body,omitempty" jsonschema:"description=Additional fields to include in request bodies, only works with openai-compatible providers"`
110
111 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for this provider"`
112
113 // Used to pass extra parameters to the provider.
114 ExtraParams map[string]string `json:"-"`
115
116 // The provider models
117 Models []catwalk.Model `json:"models,omitempty" jsonschema:"description=List of models available from this provider"`
118}
119
120func (pc *ProviderConfig) SetupClaudeCode() {
121 pc.APIKey = fmt.Sprintf("Bearer %s", pc.OAuthToken.AccessToken)
122 pc.SystemPromptPrefix = "You are Claude Code, Anthropic's official CLI for Claude."
123 pc.ExtraHeaders["anthropic-version"] = "2023-06-01"
124
125 value := pc.ExtraHeaders["anthropic-beta"]
126 const want = "oauth-2025-04-20"
127 if !strings.Contains(value, want) {
128 if value != "" {
129 value += ","
130 }
131 value += want
132 }
133 pc.ExtraHeaders["anthropic-beta"] = value
134}
135
136type MCPType string
137
138const (
139 MCPStdio MCPType = "stdio"
140 MCPSSE MCPType = "sse"
141 MCPHttp MCPType = "http"
142)
143
144type MCPConfig struct {
145 Command string `json:"command,omitempty" jsonschema:"description=Command to execute for stdio MCP servers,example=npx"`
146 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set for the MCP server"`
147 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the MCP server command"`
148 Type MCPType `json:"type" jsonschema:"required,description=Type of MCP connection,enum=stdio,enum=sse,enum=http,default=stdio"`
149 URL string `json:"url,omitempty" jsonschema:"description=URL for HTTP or SSE MCP servers,format=uri,example=http://localhost:3000/mcp"`
150 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this MCP server is disabled,default=false"`
151 Timeout int `json:"timeout,omitempty" jsonschema:"description=Timeout in seconds for MCP server connections,default=15,example=30,example=60,example=120"`
152
153 // TODO: maybe make it possible to get the value from the env
154 Headers map[string]string `json:"headers,omitempty" jsonschema:"description=HTTP headers for HTTP/SSE MCP servers"`
155}
156
157type LSPConfig struct {
158 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this LSP server is disabled,default=false"`
159 Command string `json:"command,omitempty" jsonschema:"required,description=Command to execute for the LSP server,example=gopls"`
160 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the LSP server command"`
161 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set to the LSP server command"`
162 FileTypes []string `json:"filetypes,omitempty" jsonschema:"description=File types this LSP server handles,example=go,example=mod,example=rs,example=c,example=js,example=ts"`
163 RootMarkers []string `json:"root_markers,omitempty" jsonschema:"description=Files or directories that indicate the project root,example=go.mod,example=package.json,example=Cargo.toml"`
164 InitOptions map[string]any `json:"init_options,omitempty" jsonschema:"description=Initialization options passed to the LSP server during initialize request"`
165 Options map[string]any `json:"options,omitempty" jsonschema:"description=LSP server-specific settings passed during initialization"`
166}
167
168type TUIOptions struct {
169 CompactMode bool `json:"compact_mode,omitempty" jsonschema:"description=Enable compact mode for the TUI interface,default=false"`
170 DiffMode string `json:"diff_mode,omitempty" jsonschema:"description=Diff mode for the TUI interface,enum=unified,enum=split"`
171 // Here we can add themes later or any TUI related options
172 //
173
174 Completions Completions `json:"completions,omitzero" jsonschema:"description=Completions UI options"`
175}
176
177// Completions defines options for the completions UI.
178type Completions struct {
179 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
180 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
181}
182
183func (c Completions) Limits() (depth, items int) {
184 return ptrValOr(c.MaxDepth, 0), ptrValOr(c.MaxItems, 0)
185}
186
187type Permissions struct {
188 AllowedTools []string `json:"allowed_tools,omitempty" jsonschema:"description=List of tools that don't require permission prompts,example=bash,example=view"` // Tools that don't require permission prompts
189 SkipRequests bool `json:"-"` // Automatically accept all permissions (YOLO mode)
190}
191
192type TrailerStyle string
193
194const (
195 TrailerStyleNone TrailerStyle = "none"
196 TrailerStyleCoAuthoredBy TrailerStyle = "co-authored-by"
197 TrailerStyleAssistedBy TrailerStyle = "assisted-by"
198)
199
200type Attribution struct {
201 TrailerStyle TrailerStyle `json:"trailer_style,omitempty" jsonschema:"description=Style of attribution trailer to add to commits,enum=none,enum=co-authored-by,enum=assisted-by,default=assisted-by"`
202 CoAuthoredBy *bool `json:"co_authored_by,omitempty" jsonschema:"description=Deprecated: use trailer_style instead"`
203 GeneratedWith bool `json:"generated_with,omitempty" jsonschema:"description=Add Generated with Crush line to commit messages and issues and PRs,default=true"`
204}
205
206// JSONSchemaExtend marks the co_authored_by field as deprecated in the schema.
207func (Attribution) JSONSchemaExtend(schema *jsonschema.Schema) {
208 if schema.Properties != nil {
209 if prop, ok := schema.Properties.Get("co_authored_by"); ok {
210 prop.Deprecated = true
211 }
212 }
213}
214
215type Options struct {
216 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"description=Paths to files containing context information for the AI,example=.cursorrules,example=CRUSH.md"`
217 TUI *TUIOptions `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
218 Debug bool `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
219 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
220 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
221 DataDirectory string `json:"data_directory,omitempty" jsonschema:"description=Directory for storing application data (relative to working directory),default=.crush,example=.crush"` // Relative to the cwd
222 DisabledTools []string `json:"disabled_tools" jsonschema:"description=Tools to disable"`
223 DisableProviderAutoUpdate bool `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
224 Attribution *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
225 DisableMetrics bool `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
226 InitializeAs string `json:"initialize_as,omitempty" jsonschema:"description=Name of the context file to create/update during project initialization,default=AGENTS.md,example=AGENTS.md,example=CRUSH.md,example=CLAUDE.md,example=docs/LLMs.md"`
227}
228
229type MCPs map[string]MCPConfig
230
231type MCP struct {
232 Name string `json:"name"`
233 MCP MCPConfig `json:"mcp"`
234}
235
236func (m MCPs) Sorted() []MCP {
237 sorted := make([]MCP, 0, len(m))
238 for k, v := range m {
239 sorted = append(sorted, MCP{
240 Name: k,
241 MCP: v,
242 })
243 }
244 slices.SortFunc(sorted, func(a, b MCP) int {
245 return strings.Compare(a.Name, b.Name)
246 })
247 return sorted
248}
249
250type LSPs map[string]LSPConfig
251
252type LSP struct {
253 Name string `json:"name"`
254 LSP LSPConfig `json:"lsp"`
255}
256
257func (l LSPs) Sorted() []LSP {
258 sorted := make([]LSP, 0, len(l))
259 for k, v := range l {
260 sorted = append(sorted, LSP{
261 Name: k,
262 LSP: v,
263 })
264 }
265 slices.SortFunc(sorted, func(a, b LSP) int {
266 return strings.Compare(a.Name, b.Name)
267 })
268 return sorted
269}
270
271func (l LSPConfig) ResolvedEnv() []string {
272 return resolveEnvs(l.Env)
273}
274
275func (m MCPConfig) ResolvedEnv() []string {
276 return resolveEnvs(m.Env)
277}
278
279func (m MCPConfig) ResolvedHeaders() map[string]string {
280 resolver := NewShellVariableResolver(env.New())
281 for e, v := range m.Headers {
282 var err error
283 m.Headers[e], err = resolver.ResolveValue(v)
284 if err != nil {
285 slog.Error("error resolving header variable", "error", err, "variable", e, "value", v)
286 continue
287 }
288 }
289 return m.Headers
290}
291
292type Agent struct {
293 ID string `json:"id,omitempty"`
294 Name string `json:"name,omitempty"`
295 Description string `json:"description,omitempty"`
296 // This is the id of the system prompt used by the agent
297 Disabled bool `json:"disabled,omitempty"`
298
299 Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
300
301 // The available tools for the agent
302 // if this is nil, all tools are available
303 AllowedTools []string `json:"allowed_tools,omitempty"`
304
305 // this tells us which MCPs are available for this agent
306 // if this is empty all mcps are available
307 // the string array is the list of tools from the AllowedMCP the agent has available
308 // if the string array is nil, all tools from the AllowedMCP are available
309 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
310
311 // Overrides the context paths for this agent
312 ContextPaths []string `json:"context_paths,omitempty"`
313}
314
315type Tools struct {
316 Ls ToolLs `json:"ls,omitzero"`
317}
318
319type ToolLs struct {
320 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
321 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
322}
323
324func (t ToolLs) Limits() (depth, items int) {
325 return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
326}
327
328// Config holds the configuration for crush.
329type Config struct {
330 Schema string `json:"$schema,omitempty"`
331
332 // We currently only support large/small as values here.
333 Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
334 // Recently used models stored in the data directory config.
335 RecentModels map[SelectedModelType][]SelectedModel `json:"recent_models,omitempty" jsonschema:"description=Recently used models sorted by most recent first"`
336
337 // The providers that are configured
338 Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
339
340 MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
341
342 LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
343
344 Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
345
346 Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
347
348 Tools Tools `json:"tools,omitzero" jsonschema:"description=Tool configurations"`
349
350 Agents map[string]Agent `json:"-"`
351
352 // Internal
353 workingDir string `json:"-"`
354 // TODO: find a better way to do this this should probably not be part of the config
355 resolver VariableResolver
356 dataConfigDir string `json:"-"`
357 knownProviders []catwalk.Provider `json:"-"`
358}
359
360func (c *Config) WorkingDir() string {
361 return c.workingDir
362}
363
364func (c *Config) EnabledProviders() []ProviderConfig {
365 var enabled []ProviderConfig
366 for p := range c.Providers.Seq() {
367 if !p.Disable {
368 enabled = append(enabled, p)
369 }
370 }
371 return enabled
372}
373
374// IsConfigured return true if at least one provider is configured
375func (c *Config) IsConfigured() bool {
376 return len(c.EnabledProviders()) > 0
377}
378
379func (c *Config) GetModel(provider, model string) *catwalk.Model {
380 if providerConfig, ok := c.Providers.Get(provider); ok {
381 for _, m := range providerConfig.Models {
382 if m.ID == model {
383 return &m
384 }
385 }
386 }
387 return nil
388}
389
390func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
391 model, ok := c.Models[modelType]
392 if !ok {
393 return nil
394 }
395 if providerConfig, ok := c.Providers.Get(model.Provider); ok {
396 return &providerConfig
397 }
398 return nil
399}
400
401func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
402 model, ok := c.Models[modelType]
403 if !ok {
404 return nil
405 }
406 return c.GetModel(model.Provider, model.Model)
407}
408
409func (c *Config) LargeModel() *catwalk.Model {
410 model, ok := c.Models[SelectedModelTypeLarge]
411 if !ok {
412 return nil
413 }
414 return c.GetModel(model.Provider, model.Model)
415}
416
417func (c *Config) SmallModel() *catwalk.Model {
418 model, ok := c.Models[SelectedModelTypeSmall]
419 if !ok {
420 return nil
421 }
422 return c.GetModel(model.Provider, model.Model)
423}
424
425func (c *Config) SetCompactMode(enabled bool) error {
426 if c.Options == nil {
427 c.Options = &Options{}
428 }
429 c.Options.TUI.CompactMode = enabled
430 return c.SetConfigField("options.tui.compact_mode", enabled)
431}
432
433func (c *Config) Resolve(key string) (string, error) {
434 if c.resolver == nil {
435 return "", fmt.Errorf("no variable resolver configured")
436 }
437 return c.resolver.ResolveValue(key)
438}
439
440func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
441 c.Models[modelType] = model
442 if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
443 return fmt.Errorf("failed to update preferred model: %w", err)
444 }
445 if err := c.recordRecentModel(modelType, model); err != nil {
446 return err
447 }
448 return nil
449}
450
451func (c *Config) SetConfigField(key string, value any) error {
452 // read the data
453 data, err := os.ReadFile(c.dataConfigDir)
454 if err != nil {
455 if os.IsNotExist(err) {
456 data = []byte("{}")
457 } else {
458 return fmt.Errorf("failed to read config file: %w", err)
459 }
460 }
461
462 newValue, err := sjson.Set(string(data), key, value)
463 if err != nil {
464 return fmt.Errorf("failed to set config field %s: %w", key, err)
465 }
466 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
467 return fmt.Errorf("failed to write config file: %w", err)
468 }
469 return nil
470}
471
472func (c *Config) RefreshOAuthToken(ctx context.Context, providerID string) error {
473 providerConfig, exists := c.Providers.Get(providerID)
474 if !exists {
475 return fmt.Errorf("provider %s not found", providerID)
476 }
477
478 if providerConfig.OAuthToken == nil {
479 return fmt.Errorf("provider %s does not have an OAuth token", providerID)
480 }
481
482 // Only Anthropic provider uses OAuth for now
483 if providerID != string(catwalk.InferenceProviderAnthropic) {
484 return fmt.Errorf("OAuth refresh not supported for provider %s", providerID)
485 }
486
487 newToken, err := claude.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
488 if err != nil {
489 return fmt.Errorf("failed to refresh OAuth token for provider %s: %w", providerID, err)
490 }
491
492 slog.Info("Successfully refreshed OAuth token in background", "provider", providerID)
493 providerConfig.OAuthToken = newToken
494 providerConfig.APIKey = fmt.Sprintf("Bearer %s", newToken.AccessToken)
495 providerConfig.SetupClaudeCode()
496
497 c.Providers.Set(providerID, providerConfig)
498
499 if err := cmp.Or(
500 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), newToken.AccessToken),
501 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), newToken),
502 ); err != nil {
503 return fmt.Errorf("failed to persist refreshed token: %w", err)
504 }
505
506 return nil
507}
508
509func (c *Config) SetProviderAPIKey(providerID string, apiKey any) error {
510 var providerConfig ProviderConfig
511 var exists bool
512 var setKeyOrToken func()
513
514 switch v := apiKey.(type) {
515 case string:
516 if err := c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v); err != nil {
517 return fmt.Errorf("failed to save api key to config file: %w", err)
518 }
519 setKeyOrToken = func() { providerConfig.APIKey = v }
520 case *oauth.Token:
521 if err := cmp.Or(
522 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v.AccessToken),
523 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), v),
524 ); err != nil {
525 return err
526 }
527 setKeyOrToken = func() {
528 providerConfig.APIKey = v.AccessToken
529 providerConfig.OAuthToken = v
530 providerConfig.SetupClaudeCode()
531 }
532 }
533
534 providerConfig, exists = c.Providers.Get(providerID)
535 if exists {
536 setKeyOrToken()
537 c.Providers.Set(providerID, providerConfig)
538 return nil
539 }
540
541 var foundProvider *catwalk.Provider
542 for _, p := range c.knownProviders {
543 if string(p.ID) == providerID {
544 foundProvider = &p
545 break
546 }
547 }
548
549 if foundProvider != nil {
550 // Create new provider config based on known provider
551 providerConfig = ProviderConfig{
552 ID: providerID,
553 Name: foundProvider.Name,
554 BaseURL: foundProvider.APIEndpoint,
555 Type: foundProvider.Type,
556 Disable: false,
557 ExtraHeaders: make(map[string]string),
558 ExtraParams: make(map[string]string),
559 Models: foundProvider.Models,
560 }
561 setKeyOrToken()
562 } else {
563 return fmt.Errorf("provider with ID %s not found in known providers", providerID)
564 }
565 // Store the updated provider config
566 c.Providers.Set(providerID, providerConfig)
567 return nil
568}
569
570const maxRecentModelsPerType = 5
571
572func (c *Config) recordRecentModel(modelType SelectedModelType, model SelectedModel) error {
573 if model.Provider == "" || model.Model == "" {
574 return nil
575 }
576
577 if c.RecentModels == nil {
578 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
579 }
580
581 eq := func(a, b SelectedModel) bool {
582 return a.Provider == b.Provider && a.Model == b.Model
583 }
584
585 entry := SelectedModel{
586 Provider: model.Provider,
587 Model: model.Model,
588 }
589
590 current := c.RecentModels[modelType]
591 withoutCurrent := slices.DeleteFunc(slices.Clone(current), func(existing SelectedModel) bool {
592 return eq(existing, entry)
593 })
594
595 updated := append([]SelectedModel{entry}, withoutCurrent...)
596 if len(updated) > maxRecentModelsPerType {
597 updated = updated[:maxRecentModelsPerType]
598 }
599
600 if slices.EqualFunc(current, updated, eq) {
601 return nil
602 }
603
604 c.RecentModels[modelType] = updated
605
606 if err := c.SetConfigField(fmt.Sprintf("recent_models.%s", modelType), updated); err != nil {
607 return fmt.Errorf("failed to persist recent models: %w", err)
608 }
609
610 return nil
611}
612
613func allToolNames() []string {
614 return []string{
615 "agent",
616 "bash",
617 "job_output",
618 "job_kill",
619 "download",
620 "edit",
621 "multiedit",
622 "lsp_diagnostics",
623 "lsp_references",
624 "fetch",
625 "agentic_fetch",
626 "glob",
627 "grep",
628 "ls",
629 "sourcegraph",
630 "view",
631 "write",
632 }
633}
634
635func resolveAllowedTools(allTools []string, disabledTools []string) []string {
636 if disabledTools == nil {
637 return allTools
638 }
639 // filter out disabled tools (exclude mode)
640 return filterSlice(allTools, disabledTools, false)
641}
642
643func resolveReadOnlyTools(tools []string) []string {
644 readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
645 // filter to only include tools that are in allowedtools (include mode)
646 return filterSlice(tools, readOnlyTools, true)
647}
648
649func filterSlice(data []string, mask []string, include bool) []string {
650 filtered := []string{}
651 for _, s := range data {
652 // if include is true, we include items that ARE in the mask
653 // if include is false, we include items that are NOT in the mask
654 if include == slices.Contains(mask, s) {
655 filtered = append(filtered, s)
656 }
657 }
658 return filtered
659}
660
661func (c *Config) SetupAgents() {
662 allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
663
664 agents := map[string]Agent{
665 AgentCoder: {
666 ID: AgentCoder,
667 Name: "Coder",
668 Description: "An agent that helps with executing coding tasks.",
669 Model: SelectedModelTypeLarge,
670 ContextPaths: c.Options.ContextPaths,
671 AllowedTools: allowedTools,
672 },
673
674 AgentTask: {
675 ID: AgentCoder,
676 Name: "Task",
677 Description: "An agent that helps with searching for context and finding implementation details.",
678 Model: SelectedModelTypeLarge,
679 ContextPaths: c.Options.ContextPaths,
680 AllowedTools: resolveReadOnlyTools(allowedTools),
681 // NO MCPs or LSPs by default
682 AllowedMCP: map[string][]string{},
683 },
684 }
685 c.Agents = agents
686}
687
688func (c *Config) Resolver() VariableResolver {
689 return c.resolver
690}
691
692func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
693 testURL := ""
694 headers := make(map[string]string)
695 apiKey, _ := resolver.ResolveValue(c.APIKey)
696 switch c.Type {
697 case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat, catwalk.TypeOpenRouter:
698 baseURL, _ := resolver.ResolveValue(c.BaseURL)
699 if baseURL == "" {
700 baseURL = "https://api.openai.com/v1"
701 }
702 if c.ID == string(catwalk.InferenceProviderOpenRouter) {
703 testURL = baseURL + "/credits"
704 } else {
705 testURL = baseURL + "/models"
706 }
707 headers["Authorization"] = "Bearer " + apiKey
708 case catwalk.TypeAnthropic:
709 baseURL, _ := resolver.ResolveValue(c.BaseURL)
710 if baseURL == "" {
711 baseURL = "https://api.anthropic.com/v1"
712 }
713 testURL = baseURL + "/models"
714 // TODO: replace with const when catwalk is released
715 if c.ID == "kimi-coding" {
716 testURL = baseURL + "/v1/models"
717 }
718 headers["x-api-key"] = apiKey
719 headers["anthropic-version"] = "2023-06-01"
720 case catwalk.TypeGoogle:
721 baseURL, _ := resolver.ResolveValue(c.BaseURL)
722 if baseURL == "" {
723 baseURL = "https://generativelanguage.googleapis.com"
724 }
725 testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
726 }
727 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
728 defer cancel()
729 client := &http.Client{}
730 req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
731 if err != nil {
732 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
733 }
734 for k, v := range headers {
735 req.Header.Set(k, v)
736 }
737 for k, v := range c.ExtraHeaders {
738 req.Header.Set(k, v)
739 }
740 b, err := client.Do(req)
741 if err != nil {
742 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
743 }
744 if c.ID == string(catwalk.InferenceProviderZAI) {
745 if b.StatusCode == http.StatusUnauthorized {
746 // for z.ai just check if the http response is not 401
747 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
748 }
749 } else {
750 if b.StatusCode != http.StatusOK {
751 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
752 }
753 }
754 _ = b.Body.Close()
755 return nil
756}
757
758func resolveEnvs(envs map[string]string) []string {
759 resolver := NewShellVariableResolver(env.New())
760 for e, v := range envs {
761 var err error
762 envs[e], err = resolver.ResolveValue(v)
763 if err != nil {
764 slog.Error("error resolving environment variable", "error", err, "variable", e, "value", v)
765 continue
766 }
767 }
768
769 res := make([]string, 0, len(envs))
770 for k, v := range envs {
771 res = append(res, fmt.Sprintf("%s=%s", k, v))
772 }
773 return res
774}
775
776func ptrValOr[T any](t *T, el T) T {
777 if t == nil {
778 return el
779 }
780 return *t
781}