Function countSkillTokens

src/utils/analyzeContext.ts:555–615

(
  tools: Tools,
  getToolPermissionContext: () => Promise<ToolPermissionContext>,
  agentInfo: AgentDefinitionsResult | null,
)

}

async function countSkillTokens(
  tools: Tools,
  getToolPermissionContext: () => Promise<ToolPermissionContext>,
  agentInfo: AgentDefinitionsResult | null,
): Promise<{
  skillTokens: number
  skillInfo: {
    totalSkills: number
    includedSkills: number
    skillFrontmatter: SkillFrontmatter[]
  }
}> {
  try {
    const skills = await getLimitedSkillToolCommands(getCwd())

    const slashCommandTool = findSkillTool(tools)
    if (!slashCommandTool) {
      return {
        skillTokens: 0,
        skillInfo: { totalSkills: 0, includedSkills: 0, skillFrontmatter: [] },
      }
    }

    // NOTE: This counts the entire SlashCommandTool (which includes both commands AND skills).
    // This is the same tool counted by countSlashCommandTokens(), but we track it separately
    // here for display purposes. These tokens should NOT be added to context categories
    // to avoid double-counting.
    const skillTokens = await countToolDefinitionTokens(
      [slashCommandTool],
      getToolPermissionContext,
      agentInfo,
    )

    // Calculate per-skill token estimates based on frontmatter only
    // (name, description, whenToUse) since full content is only loaded on invocation
    const skillFrontmatter: SkillFrontmatter[] = skills.map(skill => ({
      name: getCommandName(skill),
      source: (skill.type === 'prompt' ? skill.source : 'plugin') as
        | SettingSource
        | 'plugin',
      tokens: estimateSkillFrontmatterTokens(skill),
    }))

    return {
      skillTokens,
      skillInfo: {
        totalSkills: skills.length,
        includedSkills: skills.length,
        skillFrontmatter,
      },
    }
  } catch (error) {
    logError(toError(error))

    // Return zero values rather than failing the entire context analysis
    return {
      skillTokens: 0,
      skillInfo: { totalSkills: 0, includedSkills: 0, skillFrontmatter: [] },