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v0.0.3: add built-in web tools

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Add no-key web_search and web_fetch tools.
Fetch pages with net/http and parse HTML content.
Document built-in web capabilities.
This commit is contained in:
loveuer
2026-06-23 09:59:24 +08:00
parent 86f5ca4aef
commit 8dbcb1147f
7 changed files with 747 additions and 3 deletions
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internal/tools/tools.go
+11 -2
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@@ -82,6 +82,9 @@ func Builtins(workingDir string) *Registry {
}
func AgentInstructions(workingDir string, yolo bool) string {
searchInstructions := webSearchInstructions()
readOnlyTools := "file_list, file_read, file_search, web_search, web_fetch"
yoloTools := "file_list, file_read, file_search, file_write, shell_run, web_search, web_fetch"
if yolo {
return fmt.Sprintf(`Local project context:
- The project working directory is %q.
@@ -92,8 +95,9 @@ func AgentInstructions(workingDir string, yolo bool) string {
- When the user asks to run, execute, test, check, debug, or inspect a shell command, use shell_run. This includes local commands written in backticks, such as go, make, git, pwd, ls, ps, and similar terminal commands.
- Do not use file tools as a substitute for a command execution request.
- Do not start interactive or long-running sessions. Prefer bounded, non-interactive local commands with clear completion conditions.
- %s
- Tool paths should normally be relative to the project working directory.
- Available tools: file_list, file_read, file_search, file_write, shell_run.`, workingDir)
- Available tools: %s.`, workingDir, searchInstructions, yoloTools)
}
return fmt.Sprintf(`Local project context:
- The project working directory is %q.
@@ -102,8 +106,13 @@ func AgentInstructions(workingDir string, yolo bool) string {
- Do not explore the project preemptively. Do not call file_list just to discover context unless the user asks about project files or the answer truly depends on local files.
- When the user asks to inspect, list, search, or read project files, use file_list, file_search, and file_read instead of saying you cannot access local files.
- Shell command execution is disabled in this mode. When the user asks to run, execute, test, check, debug, or inspect a shell command, do not use file tools as a substitute; explain that they need to restart agentu with --yolo to enable shell_run.
- %s
- Tool paths should normally be relative to the project working directory.
- Available tools: file_list, file_read, file_search.`, workingDir)
- Available tools: %s.`, workingDir, searchInstructions, readOnlyTools)
}
func webSearchInstructions() string {
return "When the user's request depends on current or external web information, use web_search. This includes news, prices, laws, schedules, software versions, product recommendations, or requests for the latest information. Use web_fetch to read a source URL when search snippets are not enough, when the user provides a URL, or when the user names a specific website to inspect. Base answers on returned sources and include source URLs when useful."
}
func JSONSchema(schema string) json.RawMessage {