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 hyperp "github.com/charmbracelet/crush/internal/agent/hyper"
17 "github.com/charmbracelet/crush/internal/csync"
18 "github.com/charmbracelet/crush/internal/env"
19 "github.com/charmbracelet/crush/internal/oauth"
20 "github.com/charmbracelet/crush/internal/oauth/claude"
21 "github.com/charmbracelet/crush/internal/oauth/hyper"
22 "github.com/invopop/jsonschema"
23 "github.com/tidwall/sjson"
24)
25
26const (
27 appName = "crush"
28 defaultDataDirectory = ".crush"
29 defaultInitializeAs = "AGENTS.md"
30)
31
32var defaultContextPaths = []string{
33 ".github/copilot-instructions.md",
34 ".cursorrules",
35 ".cursor/rules/",
36 "CLAUDE.md",
37 "CLAUDE.local.md",
38 "GEMINI.md",
39 "gemini.md",
40 "crush.md",
41 "crush.local.md",
42 "Crush.md",
43 "Crush.local.md",
44 "CRUSH.md",
45 "CRUSH.local.md",
46 "AGENTS.md",
47 "agents.md",
48 "Agents.md",
49}
50
51type SelectedModelType string
52
53const (
54 SelectedModelTypeLarge SelectedModelType = "large"
55 SelectedModelTypeSmall SelectedModelType = "small"
56)
57
58const (
59 AgentCoder string = "coder"
60 AgentTask string = "task"
61)
62
63type SelectedModel struct {
64 // The model id as used by the provider API.
65 // Required.
66 Model string `json:"model" jsonschema:"required,description=The model ID as used by the provider API,example=gpt-4o"`
67 // The model provider, same as the key/id used in the providers config.
68 // Required.
69 Provider string `json:"provider" jsonschema:"required,description=The model provider ID that matches a key in the providers config,example=openai"`
70
71 // Only used by models that use the openai provider and need this set.
72 ReasoningEffort string `json:"reasoning_effort,omitempty" jsonschema:"description=Reasoning effort level for OpenAI models that support it,enum=low,enum=medium,enum=high"`
73
74 // Used by anthropic models that can reason to indicate if the model should think.
75 Think bool `json:"think,omitempty" jsonschema:"description=Enable thinking mode for Anthropic models that support reasoning"`
76
77 // Overrides the default model configuration.
78 MaxTokens int64 `json:"max_tokens,omitempty" jsonschema:"description=Maximum number of tokens for model responses,maximum=200000,example=4096"`
79 Temperature *float64 `json:"temperature,omitempty" jsonschema:"description=Sampling temperature,minimum=0,maximum=1,example=0.7"`
80 TopP *float64 `json:"top_p,omitempty" jsonschema:"description=Top-p (nucleus) sampling parameter,minimum=0,maximum=1,example=0.9"`
81 TopK *int64 `json:"top_k,omitempty" jsonschema:"description=Top-k sampling parameter"`
82 FrequencyPenalty *float64 `json:"frequency_penalty,omitempty" jsonschema:"description=Frequency penalty to reduce repetition"`
83 PresencePenalty *float64 `json:"presence_penalty,omitempty" jsonschema:"description=Presence penalty to increase topic diversity"`
84
85 // Override provider specific options.
86 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for the model"`
87}
88
89type ProviderConfig struct {
90 // The provider's id.
91 ID string `json:"id,omitempty" jsonschema:"description=Unique identifier for the provider,example=openai"`
92 // The provider's name, used for display purposes.
93 Name string `json:"name,omitempty" jsonschema:"description=Human-readable name for the provider,example=OpenAI"`
94 // The provider's API endpoint.
95 BaseURL string `json:"base_url,omitempty" jsonschema:"description=Base URL for the provider's API,format=uri,example=https://api.openai.com/v1"`
96 // The provider type, e.g. "openai", "anthropic", etc. if empty it defaults to openai.
97 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"`
98 // The provider's API key.
99 APIKey string `json:"api_key,omitempty" jsonschema:"description=API key for authentication with the provider,example=$OPENAI_API_KEY"`
100 // The original API key template before resolution (for re-resolution on auth errors).
101 APIKeyTemplate string `json:"-"`
102 // OAuthToken for providers that use OAuth2 authentication.
103 OAuthToken *oauth.Token `json:"oauth,omitempty" jsonschema:"description=OAuth2 token for authentication with the provider"`
104 // Marks the provider as disabled.
105 Disable bool `json:"disable,omitempty" jsonschema:"description=Whether this provider is disabled,default=false"`
106
107 // Custom system prompt prefix.
108 SystemPromptPrefix string `json:"system_prompt_prefix,omitempty" jsonschema:"description=Custom prefix to add to system prompts for this provider"`
109
110 // Extra headers to send with each request to the provider.
111 ExtraHeaders map[string]string `json:"extra_headers,omitempty" jsonschema:"description=Additional HTTP headers to send with requests"`
112 // Extra body
113 ExtraBody map[string]any `json:"extra_body,omitempty" jsonschema:"description=Additional fields to include in request bodies, only works with openai-compatible providers"`
114
115 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for this provider"`
116
117 // Used to pass extra parameters to the provider.
118 ExtraParams map[string]string `json:"-"`
119
120 // The provider models
121 Models []catwalk.Model `json:"models,omitempty" jsonschema:"description=List of models available from this provider"`
122}
123
124func (pc *ProviderConfig) SetupClaudeCode() {
125 pc.SystemPromptPrefix = "You are Claude Code, Anthropic's official CLI for Claude."
126 pc.ExtraHeaders["anthropic-version"] = "2023-06-01"
127
128 value := pc.ExtraHeaders["anthropic-beta"]
129 const want = "oauth-2025-04-20"
130 if !strings.Contains(value, want) {
131 if value != "" {
132 value += ","
133 }
134 value += want
135 }
136 pc.ExtraHeaders["anthropic-beta"] = value
137}
138
139type MCPType string
140
141const (
142 MCPStdio MCPType = "stdio"
143 MCPSSE MCPType = "sse"
144 MCPHttp MCPType = "http"
145)
146
147type MCPConfig struct {
148 Command string `json:"command,omitempty" jsonschema:"description=Command to execute for stdio MCP servers,example=npx"`
149 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set for the MCP server"`
150 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the MCP server command"`
151 Type MCPType `json:"type" jsonschema:"required,description=Type of MCP connection,enum=stdio,enum=sse,enum=http,default=stdio"`
152 URL string `json:"url,omitempty" jsonschema:"description=URL for HTTP or SSE MCP servers,format=uri,example=http://localhost:3000/mcp"`
153 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this MCP server is disabled,default=false"`
154 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of tools from this MCP server to disable,example=get-library-doc"`
155 Timeout int `json:"timeout,omitempty" jsonschema:"description=Timeout in seconds for MCP server connections,default=15,example=30,example=60,example=120"`
156
157 // TODO: maybe make it possible to get the value from the env
158 Headers map[string]string `json:"headers,omitempty" jsonschema:"description=HTTP headers for HTTP/SSE MCP servers"`
159}
160
161type LSPConfig struct {
162 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this LSP server is disabled,default=false"`
163 Command string `json:"command,omitempty" jsonschema:"required,description=Command to execute for the LSP server,example=gopls"`
164 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the LSP server command"`
165 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set to the LSP server command"`
166 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"`
167 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"`
168 InitOptions map[string]any `json:"init_options,omitempty" jsonschema:"description=Initialization options passed to the LSP server during initialize request"`
169 Options map[string]any `json:"options,omitempty" jsonschema:"description=LSP server-specific settings passed during initialization"`
170}
171
172type TUIOptions struct {
173 CompactMode bool `json:"compact_mode,omitempty" jsonschema:"description=Enable compact mode for the TUI interface,default=false"`
174 DiffMode string `json:"diff_mode,omitempty" jsonschema:"description=Diff mode for the TUI interface,enum=unified,enum=split"`
175 // Here we can add themes later or any TUI related options
176 //
177
178 Completions Completions `json:"completions,omitzero" jsonschema:"description=Completions UI options"`
179}
180
181// Completions defines options for the completions UI.
182type Completions struct {
183 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
184 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
185}
186
187func (c Completions) Limits() (depth, items int) {
188 return ptrValOr(c.MaxDepth, 0), ptrValOr(c.MaxItems, 0)
189}
190
191type Permissions struct {
192 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
193 SkipRequests bool `json:"-"` // Automatically accept all permissions (YOLO mode)
194}
195
196type TrailerStyle string
197
198const (
199 TrailerStyleNone TrailerStyle = "none"
200 TrailerStyleCoAuthoredBy TrailerStyle = "co-authored-by"
201 TrailerStyleAssistedBy TrailerStyle = "assisted-by"
202)
203
204type Attribution struct {
205 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"`
206 CoAuthoredBy *bool `json:"co_authored_by,omitempty" jsonschema:"description=Deprecated: use trailer_style instead"`
207 GeneratedWith bool `json:"generated_with,omitempty" jsonschema:"description=Add Generated with Crush line to commit messages and issues and PRs,default=true"`
208}
209
210// JSONSchemaExtend marks the co_authored_by field as deprecated in the schema.
211func (Attribution) JSONSchemaExtend(schema *jsonschema.Schema) {
212 if schema.Properties != nil {
213 if prop, ok := schema.Properties.Get("co_authored_by"); ok {
214 prop.Deprecated = true
215 }
216 }
217}
218
219type Options struct {
220 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"description=Paths to files containing context information for the AI,example=.cursorrules,example=CRUSH.md"`
221 TUI *TUIOptions `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
222 Debug bool `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
223 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
224 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
225 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
226 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of built-in tools to disable and hide from the agent,example=bash,example=sourcegraph"`
227 DisableProviderAutoUpdate bool `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
228 Attribution *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
229 DisableMetrics bool `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
230 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"`
231}
232
233type MCPs map[string]MCPConfig
234
235type MCP struct {
236 Name string `json:"name"`
237 MCP MCPConfig `json:"mcp"`
238}
239
240func (m MCPs) Sorted() []MCP {
241 sorted := make([]MCP, 0, len(m))
242 for k, v := range m {
243 sorted = append(sorted, MCP{
244 Name: k,
245 MCP: v,
246 })
247 }
248 slices.SortFunc(sorted, func(a, b MCP) int {
249 return strings.Compare(a.Name, b.Name)
250 })
251 return sorted
252}
253
254type LSPs map[string]LSPConfig
255
256type LSP struct {
257 Name string `json:"name"`
258 LSP LSPConfig `json:"lsp"`
259}
260
261func (l LSPs) Sorted() []LSP {
262 sorted := make([]LSP, 0, len(l))
263 for k, v := range l {
264 sorted = append(sorted, LSP{
265 Name: k,
266 LSP: v,
267 })
268 }
269 slices.SortFunc(sorted, func(a, b LSP) int {
270 return strings.Compare(a.Name, b.Name)
271 })
272 return sorted
273}
274
275func (l LSPConfig) ResolvedEnv() []string {
276 return resolveEnvs(l.Env)
277}
278
279func (m MCPConfig) ResolvedEnv() []string {
280 return resolveEnvs(m.Env)
281}
282
283func (m MCPConfig) ResolvedHeaders() map[string]string {
284 resolver := NewShellVariableResolver(env.New())
285 for e, v := range m.Headers {
286 var err error
287 m.Headers[e], err = resolver.ResolveValue(v)
288 if err != nil {
289 slog.Error("error resolving header variable", "error", err, "variable", e, "value", v)
290 continue
291 }
292 }
293 return m.Headers
294}
295
296type Agent struct {
297 ID string `json:"id,omitempty"`
298 Name string `json:"name,omitempty"`
299 Description string `json:"description,omitempty"`
300 // This is the id of the system prompt used by the agent
301 Disabled bool `json:"disabled,omitempty"`
302
303 Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
304
305 // The available tools for the agent
306 // if this is nil, all tools are available
307 AllowedTools []string `json:"allowed_tools,omitempty"`
308
309 // this tells us which MCPs are available for this agent
310 // if this is empty all mcps are available
311 // the string array is the list of tools from the AllowedMCP the agent has available
312 // if the string array is nil, all tools from the AllowedMCP are available
313 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
314
315 // Overrides the context paths for this agent
316 ContextPaths []string `json:"context_paths,omitempty"`
317}
318
319type Tools struct {
320 Ls ToolLs `json:"ls,omitzero"`
321}
322
323type ToolLs struct {
324 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
325 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
326}
327
328func (t ToolLs) Limits() (depth, items int) {
329 return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
330}
331
332// Config holds the configuration for crush.
333type Config struct {
334 Schema string `json:"$schema,omitempty"`
335
336 // We currently only support large/small as values here.
337 Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
338 // Recently used models stored in the data directory config.
339 RecentModels map[SelectedModelType][]SelectedModel `json:"recent_models,omitempty" jsonschema:"description=Recently used models sorted by most recent first"`
340
341 // The providers that are configured
342 Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
343
344 MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
345
346 LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
347
348 Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
349
350 Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
351
352 Tools Tools `json:"tools,omitzero" jsonschema:"description=Tool configurations"`
353
354 Agents map[string]Agent `json:"-"`
355
356 // Internal
357 workingDir string `json:"-"`
358 // TODO: find a better way to do this this should probably not be part of the config
359 resolver VariableResolver
360 dataConfigDir string `json:"-"`
361 knownProviders []catwalk.Provider `json:"-"`
362}
363
364func (c *Config) WorkingDir() string {
365 return c.workingDir
366}
367
368func (c *Config) EnabledProviders() []ProviderConfig {
369 var enabled []ProviderConfig
370 for p := range c.Providers.Seq() {
371 if !p.Disable {
372 enabled = append(enabled, p)
373 }
374 }
375 return enabled
376}
377
378// IsConfigured return true if at least one provider is configured
379func (c *Config) IsConfigured() bool {
380 return len(c.EnabledProviders()) > 0
381}
382
383func (c *Config) GetModel(provider, model string) *catwalk.Model {
384 if providerConfig, ok := c.Providers.Get(provider); ok {
385 for _, m := range providerConfig.Models {
386 if m.ID == model {
387 return &m
388 }
389 }
390 }
391 return nil
392}
393
394func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
395 model, ok := c.Models[modelType]
396 if !ok {
397 return nil
398 }
399 if providerConfig, ok := c.Providers.Get(model.Provider); ok {
400 return &providerConfig
401 }
402 return nil
403}
404
405func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
406 model, ok := c.Models[modelType]
407 if !ok {
408 return nil
409 }
410 return c.GetModel(model.Provider, model.Model)
411}
412
413func (c *Config) LargeModel() *catwalk.Model {
414 model, ok := c.Models[SelectedModelTypeLarge]
415 if !ok {
416 return nil
417 }
418 return c.GetModel(model.Provider, model.Model)
419}
420
421func (c *Config) SmallModel() *catwalk.Model {
422 model, ok := c.Models[SelectedModelTypeSmall]
423 if !ok {
424 return nil
425 }
426 return c.GetModel(model.Provider, model.Model)
427}
428
429func (c *Config) SetCompactMode(enabled bool) error {
430 if c.Options == nil {
431 c.Options = &Options{}
432 }
433 c.Options.TUI.CompactMode = enabled
434 return c.SetConfigField("options.tui.compact_mode", enabled)
435}
436
437func (c *Config) Resolve(key string) (string, error) {
438 if c.resolver == nil {
439 return "", fmt.Errorf("no variable resolver configured")
440 }
441 return c.resolver.ResolveValue(key)
442}
443
444func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
445 c.Models[modelType] = model
446 if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
447 return fmt.Errorf("failed to update preferred model: %w", err)
448 }
449 if err := c.recordRecentModel(modelType, model); err != nil {
450 return err
451 }
452 return nil
453}
454
455func (c *Config) SetConfigField(key string, value any) error {
456 // read the data
457 data, err := os.ReadFile(c.dataConfigDir)
458 if err != nil {
459 if os.IsNotExist(err) {
460 data = []byte("{}")
461 } else {
462 return fmt.Errorf("failed to read config file: %w", err)
463 }
464 }
465
466 newValue, err := sjson.Set(string(data), key, value)
467 if err != nil {
468 return fmt.Errorf("failed to set config field %s: %w", key, err)
469 }
470 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
471 return fmt.Errorf("failed to write config file: %w", err)
472 }
473 return nil
474}
475
476// RefreshOAuthToken refreshes the OAuth token for the given provider.
477func (c *Config) RefreshOAuthToken(ctx context.Context, providerID string) error {
478 providerConfig, exists := c.Providers.Get(providerID)
479 if !exists {
480 return fmt.Errorf("provider %s not found", providerID)
481 }
482
483 if providerConfig.OAuthToken == nil {
484 return fmt.Errorf("provider %s does not have an OAuth token", providerID)
485 }
486
487 var newToken *oauth.Token
488 var err error
489 switch providerID {
490 case string(catwalk.InferenceProviderAnthropic):
491 newToken, err = claude.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
492 case hyperp.Name:
493 newToken, err = hyper.ExchangeToken(ctx, providerConfig.OAuthToken.RefreshToken)
494 default:
495 return fmt.Errorf("OAuth refresh not supported for provider %s", providerID)
496 }
497 if err != nil {
498 return fmt.Errorf("failed to refresh OAuth token for provider %s: %w", providerID, err)
499 }
500
501 slog.Info("Successfully refreshed OAuth token", "provider", providerID)
502 providerConfig.OAuthToken = newToken
503 providerConfig.APIKey = fmt.Sprintf("Bearer %s", newToken.AccessToken)
504 providerConfig.SetupClaudeCode()
505
506 c.Providers.Set(providerID, providerConfig)
507
508 if err := cmp.Or(
509 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), newToken.AccessToken),
510 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), newToken),
511 ); err != nil {
512 return fmt.Errorf("failed to persist refreshed token: %w", err)
513 }
514
515 return nil
516}
517
518func (c *Config) SetProviderAPIKey(providerID string, apiKey any) error {
519 var providerConfig ProviderConfig
520 var exists bool
521 var setKeyOrToken func()
522
523 switch v := apiKey.(type) {
524 case string:
525 if err := c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v); err != nil {
526 return fmt.Errorf("failed to save api key to config file: %w", err)
527 }
528 setKeyOrToken = func() { providerConfig.APIKey = v }
529 case *oauth.Token:
530 if err := cmp.Or(
531 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v.AccessToken),
532 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), v),
533 ); err != nil {
534 return err
535 }
536 setKeyOrToken = func() {
537 providerConfig.APIKey = fmt.Sprintf("Bearer %s", v.AccessToken)
538 providerConfig.OAuthToken = v
539 if providerID == string(catwalk.InferenceProviderAnthropic) {
540 providerConfig.SetupClaudeCode()
541 }
542 }
543 }
544
545 providerConfig, exists = c.Providers.Get(providerID)
546 if exists {
547 setKeyOrToken()
548 c.Providers.Set(providerID, providerConfig)
549 return nil
550 }
551
552 var foundProvider *catwalk.Provider
553 for _, p := range c.knownProviders {
554 if string(p.ID) == providerID {
555 foundProvider = &p
556 break
557 }
558 }
559
560 if foundProvider != nil {
561 // Create new provider config based on known provider
562 providerConfig = ProviderConfig{
563 ID: providerID,
564 Name: foundProvider.Name,
565 BaseURL: foundProvider.APIEndpoint,
566 Type: foundProvider.Type,
567 Disable: false,
568 ExtraHeaders: make(map[string]string),
569 ExtraParams: make(map[string]string),
570 Models: foundProvider.Models,
571 }
572 setKeyOrToken()
573 } else {
574 return fmt.Errorf("provider with ID %s not found in known providers", providerID)
575 }
576 // Store the updated provider config
577 c.Providers.Set(providerID, providerConfig)
578 return nil
579}
580
581const maxRecentModelsPerType = 5
582
583func (c *Config) recordRecentModel(modelType SelectedModelType, model SelectedModel) error {
584 if model.Provider == "" || model.Model == "" {
585 return nil
586 }
587
588 if c.RecentModels == nil {
589 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
590 }
591
592 eq := func(a, b SelectedModel) bool {
593 return a.Provider == b.Provider && a.Model == b.Model
594 }
595
596 entry := SelectedModel{
597 Provider: model.Provider,
598 Model: model.Model,
599 }
600
601 current := c.RecentModels[modelType]
602 withoutCurrent := slices.DeleteFunc(slices.Clone(current), func(existing SelectedModel) bool {
603 return eq(existing, entry)
604 })
605
606 updated := append([]SelectedModel{entry}, withoutCurrent...)
607 if len(updated) > maxRecentModelsPerType {
608 updated = updated[:maxRecentModelsPerType]
609 }
610
611 if slices.EqualFunc(current, updated, eq) {
612 return nil
613 }
614
615 c.RecentModels[modelType] = updated
616
617 if err := c.SetConfigField(fmt.Sprintf("recent_models.%s", modelType), updated); err != nil {
618 return fmt.Errorf("failed to persist recent models: %w", err)
619 }
620
621 return nil
622}
623
624func allToolNames() []string {
625 return []string{
626 "agent",
627 "bash",
628 "job_output",
629 "job_kill",
630 "download",
631 "edit",
632 "multiedit",
633 "lsp_diagnostics",
634 "lsp_references",
635 "fetch",
636 "agentic_fetch",
637 "glob",
638 "grep",
639 "ls",
640 "sourcegraph",
641 "todos",
642 "view",
643 "write",
644 }
645}
646
647func resolveAllowedTools(allTools []string, disabledTools []string) []string {
648 if disabledTools == nil {
649 return allTools
650 }
651 // filter out disabled tools (exclude mode)
652 return filterSlice(allTools, disabledTools, false)
653}
654
655func resolveReadOnlyTools(tools []string) []string {
656 readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
657 // filter to only include tools that are in allowedtools (include mode)
658 return filterSlice(tools, readOnlyTools, true)
659}
660
661func filterSlice(data []string, mask []string, include bool) []string {
662 filtered := []string{}
663 for _, s := range data {
664 // if include is true, we include items that ARE in the mask
665 // if include is false, we include items that are NOT in the mask
666 if include == slices.Contains(mask, s) {
667 filtered = append(filtered, s)
668 }
669 }
670 return filtered
671}
672
673func (c *Config) SetupAgents() {
674 allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
675
676 agents := map[string]Agent{
677 AgentCoder: {
678 ID: AgentCoder,
679 Name: "Coder",
680 Description: "An agent that helps with executing coding tasks.",
681 Model: SelectedModelTypeLarge,
682 ContextPaths: c.Options.ContextPaths,
683 AllowedTools: allowedTools,
684 },
685
686 AgentTask: {
687 ID: AgentCoder,
688 Name: "Task",
689 Description: "An agent that helps with searching for context and finding implementation details.",
690 Model: SelectedModelTypeLarge,
691 ContextPaths: c.Options.ContextPaths,
692 AllowedTools: resolveReadOnlyTools(allowedTools),
693 // NO MCPs or LSPs by default
694 AllowedMCP: map[string][]string{},
695 },
696 }
697 c.Agents = agents
698}
699
700func (c *Config) Resolver() VariableResolver {
701 return c.resolver
702}
703
704func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
705 testURL := ""
706 headers := make(map[string]string)
707 apiKey, _ := resolver.ResolveValue(c.APIKey)
708 switch c.Type {
709 case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat, catwalk.TypeOpenRouter:
710 baseURL, _ := resolver.ResolveValue(c.BaseURL)
711 if baseURL == "" {
712 baseURL = "https://api.openai.com/v1"
713 }
714 if c.ID == string(catwalk.InferenceProviderOpenRouter) {
715 testURL = baseURL + "/credits"
716 } else {
717 testURL = baseURL + "/models"
718 }
719 headers["Authorization"] = "Bearer " + apiKey
720 case catwalk.TypeAnthropic:
721 baseURL, _ := resolver.ResolveValue(c.BaseURL)
722 if baseURL == "" {
723 baseURL = "https://api.anthropic.com/v1"
724 }
725 testURL = baseURL + "/models"
726 // TODO: replace with const when catwalk is released
727 if c.ID == "kimi-coding" {
728 testURL = baseURL + "/v1/models"
729 }
730 headers["x-api-key"] = apiKey
731 headers["anthropic-version"] = "2023-06-01"
732 case catwalk.TypeGoogle:
733 baseURL, _ := resolver.ResolveValue(c.BaseURL)
734 if baseURL == "" {
735 baseURL = "https://generativelanguage.googleapis.com"
736 }
737 testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
738 }
739 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
740 defer cancel()
741 client := &http.Client{}
742 req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
743 if err != nil {
744 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
745 }
746 for k, v := range headers {
747 req.Header.Set(k, v)
748 }
749 for k, v := range c.ExtraHeaders {
750 req.Header.Set(k, v)
751 }
752 b, err := client.Do(req)
753 if err != nil {
754 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
755 }
756 if c.ID == string(catwalk.InferenceProviderZAI) {
757 if b.StatusCode == http.StatusUnauthorized {
758 // for z.ai just check if the http response is not 401
759 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
760 }
761 } else {
762 if b.StatusCode != http.StatusOK {
763 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
764 }
765 }
766 _ = b.Body.Close()
767 return nil
768}
769
770func resolveEnvs(envs map[string]string) []string {
771 resolver := NewShellVariableResolver(env.New())
772 for e, v := range envs {
773 var err error
774 envs[e], err = resolver.ResolveValue(v)
775 if err != nil {
776 slog.Error("error resolving environment variable", "error", err, "variable", e, "value", v)
777 continue
778 }
779 }
780
781 res := make([]string, 0, len(envs))
782 for k, v := range envs {
783 res = append(res, fmt.Sprintf("%s=%s", k, v))
784 }
785 return res
786}
787
788func ptrValOr[T any](t *T, el T) T {
789 if t == nil {
790 return el
791 }
792 return *t
793}