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 // The original API key template before resolution (for re-resolution on auth errors).
99 APIKeyTemplate string `json:"-"`
100 // OAuthToken for providers that use OAuth2 authentication.
101 OAuthToken *oauth.Token `json:"oauth,omitempty" jsonschema:"description=OAuth2 token for authentication with the provider"`
102 // Marks the provider as disabled.
103 Disable bool `json:"disable,omitempty" jsonschema:"description=Whether this provider is disabled,default=false"`
104
105 // Custom system prompt prefix.
106 SystemPromptPrefix string `json:"system_prompt_prefix,omitempty" jsonschema:"description=Custom prefix to add to system prompts for this provider"`
107
108 // Extra headers to send with each request to the provider.
109 ExtraHeaders map[string]string `json:"extra_headers,omitempty" jsonschema:"description=Additional HTTP headers to send with requests"`
110 // Extra body
111 ExtraBody map[string]any `json:"extra_body,omitempty" jsonschema:"description=Additional fields to include in request bodies, only works with openai-compatible providers"`
112
113 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for this provider"`
114
115 // Used to pass extra parameters to the provider.
116 ExtraParams map[string]string `json:"-"`
117
118 // The provider models
119 Models []catwalk.Model `json:"models,omitempty" jsonschema:"description=List of models available from this provider"`
120}
121
122func (pc *ProviderConfig) SetupClaudeCode() {
123 pc.APIKey = fmt.Sprintf("Bearer %s", pc.OAuthToken.AccessToken)
124 pc.SystemPromptPrefix = "You are Claude Code, Anthropic's official CLI for Claude."
125 pc.ExtraHeaders["anthropic-version"] = "2023-06-01"
126
127 value := pc.ExtraHeaders["anthropic-beta"]
128 const want = "oauth-2025-04-20"
129 if !strings.Contains(value, want) {
130 if value != "" {
131 value += ","
132 }
133 value += want
134 }
135 pc.ExtraHeaders["anthropic-beta"] = value
136}
137
138type MCPType string
139
140const (
141 MCPStdio MCPType = "stdio"
142 MCPSSE MCPType = "sse"
143 MCPHttp MCPType = "http"
144)
145
146type MCPConfig struct {
147 Command string `json:"command,omitempty" jsonschema:"description=Command to execute for stdio MCP servers,example=npx"`
148 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set for the MCP server"`
149 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the MCP server command"`
150 Type MCPType `json:"type" jsonschema:"required,description=Type of MCP connection,enum=stdio,enum=sse,enum=http,default=stdio"`
151 URL string `json:"url,omitempty" jsonschema:"description=URL for HTTP or SSE MCP servers,format=uri,example=http://localhost:3000/mcp"`
152 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this MCP server is disabled,default=false"`
153 Timeout int `json:"timeout,omitempty" jsonschema:"description=Timeout in seconds for MCP server connections,default=15,example=30,example=60,example=120"`
154
155 // TODO: maybe make it possible to get the value from the env
156 Headers map[string]string `json:"headers,omitempty" jsonschema:"description=HTTP headers for HTTP/SSE MCP servers"`
157}
158
159type LSPConfig struct {
160 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this LSP server is disabled,default=false"`
161 Command string `json:"command,omitempty" jsonschema:"required,description=Command to execute for the LSP server,example=gopls"`
162 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the LSP server command"`
163 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set to the LSP server command"`
164 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"`
165 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"`
166 InitOptions map[string]any `json:"init_options,omitempty" jsonschema:"description=Initialization options passed to the LSP server during initialize request"`
167 Options map[string]any `json:"options,omitempty" jsonschema:"description=LSP server-specific settings passed during initialization"`
168}
169
170type TUIOptions struct {
171 CompactMode bool `json:"compact_mode,omitempty" jsonschema:"description=Enable compact mode for the TUI interface,default=false"`
172 DiffMode string `json:"diff_mode,omitempty" jsonschema:"description=Diff mode for the TUI interface,enum=unified,enum=split"`
173 // Here we can add themes later or any TUI related options
174 //
175
176 Completions Completions `json:"completions,omitzero" jsonschema:"description=Completions UI options"`
177}
178
179// Completions defines options for the completions UI.
180type Completions struct {
181 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
182 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
183}
184
185func (c Completions) Limits() (depth, items int) {
186 return ptrValOr(c.MaxDepth, 0), ptrValOr(c.MaxItems, 0)
187}
188
189type Permissions struct {
190 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
191 SkipRequests bool `json:"-"` // Automatically accept all permissions (YOLO mode)
192}
193
194type TrailerStyle string
195
196const (
197 TrailerStyleNone TrailerStyle = "none"
198 TrailerStyleCoAuthoredBy TrailerStyle = "co-authored-by"
199 TrailerStyleAssistedBy TrailerStyle = "assisted-by"
200)
201
202type Attribution struct {
203 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"`
204 CoAuthoredBy *bool `json:"co_authored_by,omitempty" jsonschema:"description=Deprecated: use trailer_style instead"`
205 GeneratedWith bool `json:"generated_with,omitempty" jsonschema:"description=Add Generated with Crush line to commit messages and issues and PRs,default=true"`
206}
207
208// JSONSchemaExtend marks the co_authored_by field as deprecated in the schema.
209func (Attribution) JSONSchemaExtend(schema *jsonschema.Schema) {
210 if schema.Properties != nil {
211 if prop, ok := schema.Properties.Get("co_authored_by"); ok {
212 prop.Deprecated = true
213 }
214 }
215}
216
217type Options struct {
218 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"description=Paths to files containing context information for the AI,example=.cursorrules,example=CRUSH.md"`
219 TUI *TUIOptions `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
220 Debug bool `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
221 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
222 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
223 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
224 DisabledTools []string `json:"disabled_tools" jsonschema:"description=Tools to disable"`
225 DisableProviderAutoUpdate bool `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
226 Attribution *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
227 DisableMetrics bool `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
228 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"`
229}
230
231type MCPs map[string]MCPConfig
232
233type MCP struct {
234 Name string `json:"name"`
235 MCP MCPConfig `json:"mcp"`
236}
237
238func (m MCPs) Sorted() []MCP {
239 sorted := make([]MCP, 0, len(m))
240 for k, v := range m {
241 sorted = append(sorted, MCP{
242 Name: k,
243 MCP: v,
244 })
245 }
246 slices.SortFunc(sorted, func(a, b MCP) int {
247 return strings.Compare(a.Name, b.Name)
248 })
249 return sorted
250}
251
252type LSPs map[string]LSPConfig
253
254type LSP struct {
255 Name string `json:"name"`
256 LSP LSPConfig `json:"lsp"`
257}
258
259func (l LSPs) Sorted() []LSP {
260 sorted := make([]LSP, 0, len(l))
261 for k, v := range l {
262 sorted = append(sorted, LSP{
263 Name: k,
264 LSP: v,
265 })
266 }
267 slices.SortFunc(sorted, func(a, b LSP) int {
268 return strings.Compare(a.Name, b.Name)
269 })
270 return sorted
271}
272
273func (l LSPConfig) ResolvedEnv() []string {
274 return resolveEnvs(l.Env)
275}
276
277func (m MCPConfig) ResolvedEnv() []string {
278 return resolveEnvs(m.Env)
279}
280
281func (m MCPConfig) ResolvedHeaders() map[string]string {
282 resolver := NewShellVariableResolver(env.New())
283 for e, v := range m.Headers {
284 var err error
285 m.Headers[e], err = resolver.ResolveValue(v)
286 if err != nil {
287 slog.Error("error resolving header variable", "error", err, "variable", e, "value", v)
288 continue
289 }
290 }
291 return m.Headers
292}
293
294type Agent struct {
295 ID string `json:"id,omitempty"`
296 Name string `json:"name,omitempty"`
297 Description string `json:"description,omitempty"`
298 // This is the id of the system prompt used by the agent
299 Disabled bool `json:"disabled,omitempty"`
300
301 Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
302
303 // The available tools for the agent
304 // if this is nil, all tools are available
305 AllowedTools []string `json:"allowed_tools,omitempty"`
306
307 // this tells us which MCPs are available for this agent
308 // if this is empty all mcps are available
309 // the string array is the list of tools from the AllowedMCP the agent has available
310 // if the string array is nil, all tools from the AllowedMCP are available
311 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
312
313 // Overrides the context paths for this agent
314 ContextPaths []string `json:"context_paths,omitempty"`
315}
316
317type Tools struct {
318 Ls ToolLs `json:"ls,omitzero"`
319}
320
321type ToolLs struct {
322 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
323 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
324}
325
326func (t ToolLs) Limits() (depth, items int) {
327 return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
328}
329
330// Config holds the configuration for crush.
331type Config struct {
332 Schema string `json:"$schema,omitempty"`
333
334 // We currently only support large/small as values here.
335 Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
336 // Recently used models stored in the data directory config.
337 RecentModels map[SelectedModelType][]SelectedModel `json:"recent_models,omitempty" jsonschema:"description=Recently used models sorted by most recent first"`
338
339 // The providers that are configured
340 Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
341
342 MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
343
344 LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
345
346 Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
347
348 Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
349
350 Tools Tools `json:"tools,omitzero" jsonschema:"description=Tool configurations"`
351
352 Agents map[string]Agent `json:"-"`
353
354 // Internal
355 workingDir string `json:"-"`
356 // TODO: find a better way to do this this should probably not be part of the config
357 resolver VariableResolver
358 dataConfigDir string `json:"-"`
359 knownProviders []catwalk.Provider `json:"-"`
360}
361
362func (c *Config) WorkingDir() string {
363 return c.workingDir
364}
365
366func (c *Config) EnabledProviders() []ProviderConfig {
367 var enabled []ProviderConfig
368 for p := range c.Providers.Seq() {
369 if !p.Disable {
370 enabled = append(enabled, p)
371 }
372 }
373 return enabled
374}
375
376// IsConfigured return true if at least one provider is configured
377func (c *Config) IsConfigured() bool {
378 return len(c.EnabledProviders()) > 0
379}
380
381func (c *Config) GetModel(provider, model string) *catwalk.Model {
382 if providerConfig, ok := c.Providers.Get(provider); ok {
383 for _, m := range providerConfig.Models {
384 if m.ID == model {
385 return &m
386 }
387 }
388 }
389 return nil
390}
391
392func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
393 model, ok := c.Models[modelType]
394 if !ok {
395 return nil
396 }
397 if providerConfig, ok := c.Providers.Get(model.Provider); ok {
398 return &providerConfig
399 }
400 return nil
401}
402
403func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
404 model, ok := c.Models[modelType]
405 if !ok {
406 return nil
407 }
408 return c.GetModel(model.Provider, model.Model)
409}
410
411func (c *Config) LargeModel() *catwalk.Model {
412 model, ok := c.Models[SelectedModelTypeLarge]
413 if !ok {
414 return nil
415 }
416 return c.GetModel(model.Provider, model.Model)
417}
418
419func (c *Config) SmallModel() *catwalk.Model {
420 model, ok := c.Models[SelectedModelTypeSmall]
421 if !ok {
422 return nil
423 }
424 return c.GetModel(model.Provider, model.Model)
425}
426
427func (c *Config) SetCompactMode(enabled bool) error {
428 if c.Options == nil {
429 c.Options = &Options{}
430 }
431 c.Options.TUI.CompactMode = enabled
432 return c.SetConfigField("options.tui.compact_mode", enabled)
433}
434
435func (c *Config) Resolve(key string) (string, error) {
436 if c.resolver == nil {
437 return "", fmt.Errorf("no variable resolver configured")
438 }
439 return c.resolver.ResolveValue(key)
440}
441
442func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
443 c.Models[modelType] = model
444 if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
445 return fmt.Errorf("failed to update preferred model: %w", err)
446 }
447 if err := c.recordRecentModel(modelType, model); err != nil {
448 return err
449 }
450 return nil
451}
452
453func (c *Config) SetConfigField(key string, value any) error {
454 // read the data
455 data, err := os.ReadFile(c.dataConfigDir)
456 if err != nil {
457 if os.IsNotExist(err) {
458 data = []byte("{}")
459 } else {
460 return fmt.Errorf("failed to read config file: %w", err)
461 }
462 }
463
464 newValue, err := sjson.Set(string(data), key, value)
465 if err != nil {
466 return fmt.Errorf("failed to set config field %s: %w", key, err)
467 }
468 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
469 return fmt.Errorf("failed to write config file: %w", err)
470 }
471 return nil
472}
473
474// RefreshOAuthToken refreshes the OAuth token for the given provider.
475func (c *Config) RefreshOAuthToken(ctx context.Context, providerID string) error {
476 providerConfig, exists := c.Providers.Get(providerID)
477 if !exists {
478 return fmt.Errorf("provider %s not found", providerID)
479 }
480
481 if providerConfig.OAuthToken == nil {
482 return fmt.Errorf("provider %s does not have an OAuth token", providerID)
483 }
484
485 // Only Anthropic provider uses OAuth for now.
486 if providerID != string(catwalk.InferenceProviderAnthropic) {
487 return fmt.Errorf("OAuth refresh not supported for provider %s", providerID)
488 }
489
490 newToken, err := claude.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
491 if err != nil {
492 return fmt.Errorf("failed to refresh OAuth token for provider %s: %w", providerID, err)
493 }
494
495 slog.Info("Successfully refreshed OAuth token", "provider", providerID)
496 providerConfig.OAuthToken = newToken
497 providerConfig.APIKey = fmt.Sprintf("Bearer %s", newToken.AccessToken)
498 providerConfig.SetupClaudeCode()
499
500 c.Providers.Set(providerID, providerConfig)
501
502 if err := cmp.Or(
503 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), newToken.AccessToken),
504 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), newToken),
505 ); err != nil {
506 return fmt.Errorf("failed to persist refreshed token: %w", err)
507 }
508
509 return nil
510}
511
512func (c *Config) SetProviderAPIKey(providerID string, apiKey any) error {
513 var providerConfig ProviderConfig
514 var exists bool
515 var setKeyOrToken func()
516
517 switch v := apiKey.(type) {
518 case string:
519 if err := c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v); err != nil {
520 return fmt.Errorf("failed to save api key to config file: %w", err)
521 }
522 setKeyOrToken = func() { providerConfig.APIKey = v }
523 case *oauth.Token:
524 if err := cmp.Or(
525 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v.AccessToken),
526 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), v),
527 ); err != nil {
528 return err
529 }
530 setKeyOrToken = func() {
531 providerConfig.APIKey = v.AccessToken
532 providerConfig.OAuthToken = v
533 providerConfig.SetupClaudeCode()
534 }
535 }
536
537 providerConfig, exists = c.Providers.Get(providerID)
538 if exists {
539 setKeyOrToken()
540 c.Providers.Set(providerID, providerConfig)
541 return nil
542 }
543
544 var foundProvider *catwalk.Provider
545 for _, p := range c.knownProviders {
546 if string(p.ID) == providerID {
547 foundProvider = &p
548 break
549 }
550 }
551
552 if foundProvider != nil {
553 // Create new provider config based on known provider
554 providerConfig = ProviderConfig{
555 ID: providerID,
556 Name: foundProvider.Name,
557 BaseURL: foundProvider.APIEndpoint,
558 Type: foundProvider.Type,
559 Disable: false,
560 ExtraHeaders: make(map[string]string),
561 ExtraParams: make(map[string]string),
562 Models: foundProvider.Models,
563 }
564 setKeyOrToken()
565 } else {
566 return fmt.Errorf("provider with ID %s not found in known providers", providerID)
567 }
568 // Store the updated provider config
569 c.Providers.Set(providerID, providerConfig)
570 return nil
571}
572
573const maxRecentModelsPerType = 5
574
575func (c *Config) recordRecentModel(modelType SelectedModelType, model SelectedModel) error {
576 if model.Provider == "" || model.Model == "" {
577 return nil
578 }
579
580 if c.RecentModels == nil {
581 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
582 }
583
584 eq := func(a, b SelectedModel) bool {
585 return a.Provider == b.Provider && a.Model == b.Model
586 }
587
588 entry := SelectedModel{
589 Provider: model.Provider,
590 Model: model.Model,
591 }
592
593 current := c.RecentModels[modelType]
594 withoutCurrent := slices.DeleteFunc(slices.Clone(current), func(existing SelectedModel) bool {
595 return eq(existing, entry)
596 })
597
598 updated := append([]SelectedModel{entry}, withoutCurrent...)
599 if len(updated) > maxRecentModelsPerType {
600 updated = updated[:maxRecentModelsPerType]
601 }
602
603 if slices.EqualFunc(current, updated, eq) {
604 return nil
605 }
606
607 c.RecentModels[modelType] = updated
608
609 if err := c.SetConfigField(fmt.Sprintf("recent_models.%s", modelType), updated); err != nil {
610 return fmt.Errorf("failed to persist recent models: %w", err)
611 }
612
613 return nil
614}
615
616func allToolNames() []string {
617 return []string{
618 "agent",
619 "bash",
620 "job_output",
621 "job_kill",
622 "download",
623 "edit",
624 "multiedit",
625 "lsp_diagnostics",
626 "lsp_references",
627 "fetch",
628 "agentic_fetch",
629 "glob",
630 "grep",
631 "ls",
632 "sourcegraph",
633 "view",
634 "write",
635 }
636}
637
638func resolveAllowedTools(allTools []string, disabledTools []string) []string {
639 if disabledTools == nil {
640 return allTools
641 }
642 // filter out disabled tools (exclude mode)
643 return filterSlice(allTools, disabledTools, false)
644}
645
646func resolveReadOnlyTools(tools []string) []string {
647 readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
648 // filter to only include tools that are in allowedtools (include mode)
649 return filterSlice(tools, readOnlyTools, true)
650}
651
652func filterSlice(data []string, mask []string, include bool) []string {
653 filtered := []string{}
654 for _, s := range data {
655 // if include is true, we include items that ARE in the mask
656 // if include is false, we include items that are NOT in the mask
657 if include == slices.Contains(mask, s) {
658 filtered = append(filtered, s)
659 }
660 }
661 return filtered
662}
663
664func (c *Config) SetupAgents() {
665 allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
666
667 agents := map[string]Agent{
668 AgentCoder: {
669 ID: AgentCoder,
670 Name: "Coder",
671 Description: "An agent that helps with executing coding tasks.",
672 Model: SelectedModelTypeLarge,
673 ContextPaths: c.Options.ContextPaths,
674 AllowedTools: allowedTools,
675 },
676
677 AgentTask: {
678 ID: AgentCoder,
679 Name: "Task",
680 Description: "An agent that helps with searching for context and finding implementation details.",
681 Model: SelectedModelTypeLarge,
682 ContextPaths: c.Options.ContextPaths,
683 AllowedTools: resolveReadOnlyTools(allowedTools),
684 // NO MCPs or LSPs by default
685 AllowedMCP: map[string][]string{},
686 },
687 }
688 c.Agents = agents
689}
690
691func (c *Config) Resolver() VariableResolver {
692 return c.resolver
693}
694
695func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
696 testURL := ""
697 headers := make(map[string]string)
698 apiKey, _ := resolver.ResolveValue(c.APIKey)
699 switch c.Type {
700 case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat, catwalk.TypeOpenRouter:
701 baseURL, _ := resolver.ResolveValue(c.BaseURL)
702 if baseURL == "" {
703 baseURL = "https://api.openai.com/v1"
704 }
705 if c.ID == string(catwalk.InferenceProviderOpenRouter) {
706 testURL = baseURL + "/credits"
707 } else {
708 testURL = baseURL + "/models"
709 }
710 headers["Authorization"] = "Bearer " + apiKey
711 case catwalk.TypeAnthropic:
712 baseURL, _ := resolver.ResolveValue(c.BaseURL)
713 if baseURL == "" {
714 baseURL = "https://api.anthropic.com/v1"
715 }
716 testURL = baseURL + "/models"
717 // TODO: replace with const when catwalk is released
718 if c.ID == "kimi-coding" {
719 testURL = baseURL + "/v1/models"
720 }
721 headers["x-api-key"] = apiKey
722 headers["anthropic-version"] = "2023-06-01"
723 case catwalk.TypeGoogle:
724 baseURL, _ := resolver.ResolveValue(c.BaseURL)
725 if baseURL == "" {
726 baseURL = "https://generativelanguage.googleapis.com"
727 }
728 testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
729 }
730 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
731 defer cancel()
732 client := &http.Client{}
733 req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
734 if err != nil {
735 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
736 }
737 for k, v := range headers {
738 req.Header.Set(k, v)
739 }
740 for k, v := range c.ExtraHeaders {
741 req.Header.Set(k, v)
742 }
743 b, err := client.Do(req)
744 if err != nil {
745 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
746 }
747 if c.ID == string(catwalk.InferenceProviderZAI) {
748 if b.StatusCode == http.StatusUnauthorized {
749 // for z.ai just check if the http response is not 401
750 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
751 }
752 } else {
753 if b.StatusCode != http.StatusOK {
754 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
755 }
756 }
757 _ = b.Body.Close()
758 return nil
759}
760
761func resolveEnvs(envs map[string]string) []string {
762 resolver := NewShellVariableResolver(env.New())
763 for e, v := range envs {
764 var err error
765 envs[e], err = resolver.ResolveValue(v)
766 if err != nil {
767 slog.Error("error resolving environment variable", "error", err, "variable", e, "value", v)
768 continue
769 }
770 }
771
772 res := make([]string, 0, len(envs))
773 for k, v := range envs {
774 res = append(res, fmt.Sprintf("%s=%s", k, v))
775 }
776 return res
777}
778
779func ptrValOr[T any](t *T, el T) T {
780 if t == nil {
781 return el
782 }
783 return *t
784}