diff --git a/base/output.go b/base/output.go
index 588b2c69..e9c14f77 100644
--- a/base/output.go
+++ b/base/output.go
@@ -37,18 +37,18 @@ func (d *DebugOutput) Config() *ChatDebugOutputConfig {
 	return d.config
 }
 
-func (d *DebugOutput) Debug(format string, args ...interface{}) {
+func (d *DebugOutput) Debug(format string, args ...any) {
 	msg := fmt.Sprintf(format, args...)
 	fmt.Printf("%s: %s\n", d.name, msg)
 }
 
-func (d *DebugOutput) Errorf(msg string, args ...interface{}) {
+func (d *DebugOutput) Errorf(msg string, args ...any) {
 	d.Debug(msg, args...)
 	msg = fmt.Sprintf("```%s```", msg)
 	d.Report(msg, args...)
 }
 
-func (d *DebugOutput) Report(msg string, args ...interface{}) {
+func (d *DebugOutput) Report(msg string, args ...any) {
 	if d.config == nil {
 		d.Debug("Errorf: Unable to report error to chat, errReportConv, chat debug not configured")
 	} else if d.config.ErrReportConv == "" || d.config.KBC == nil {
@@ -61,27 +61,27 @@ func (d *DebugOutput) Report(msg string, args ...interface{}) {
 	}
 }
 
-func (d *DebugOutput) ChatDebug(convID chat1.ConvIDStr, msg string, args ...interface{}) {
+func (d *DebugOutput) ChatDebug(convID chat1.ConvIDStr, msg string, args ...any) {
 	d.Debug(msg, args...)
 	if _, err := d.config.KBC.SendMessageByConvID(convID, "Something went wrong!"); err != nil && !IsDeletedConvError(err) {
 		d.Errorf("ChatDebug: failed to send error message: %s", err)
 	}
 }
 
-func (d *DebugOutput) ChatErrorf(convID chat1.ConvIDStr, msg string, args ...interface{}) {
+func (d *DebugOutput) ChatErrorf(convID chat1.ConvIDStr, msg string, args ...any) {
 	d.Errorf(msg, args...)
 	if _, err := d.config.KBC.SendMessageByConvID(convID, "Something went wrong!"); err != nil && !IsDeletedConvError(err) {
 		d.Errorf("ChatErrorf: failed to send error message: %s", err)
 	}
 }
 
-func (d *DebugOutput) ChatEcho(convID chat1.ConvIDStr, msg string, args ...interface{}) {
+func (d *DebugOutput) ChatEcho(convID chat1.ConvIDStr, msg string, args ...any) {
 	if _, err := d.config.KBC.SendMessageByConvID(convID, msg, args...); err != nil && !IsDeletedConvError(err) {
 		d.Errorf("ChatEcho: failed to send echo message: %s", err)
 	}
 }
 
-func (d *DebugOutput) Trace(err *error, format string, args ...interface{}) func() {
+func (d *DebugOutput) Trace(err *error, format string, args ...any) func() {
 	msg := fmt.Sprintf(format, args...)
 	start := time.Now()
 	fmt.Printf("+ %s: %s\n", d.name, msg)
diff --git a/base/server.go b/base/server.go
index 1686e6c7..04b1cc14 100644
--- a/base/server.go
+++ b/base/server.go
@@ -6,6 +6,7 @@ import (
 	"io"
 	"os"
 	"os/signal"
+	"slices"
 	"strings"
 	"sync"
 	"syscall"
@@ -259,12 +260,7 @@ func (s *Server) listenForConvs(shutdownCh chan struct{}, sub *kbchat.Subscripti
 }
 
 func (s *Server) allowHiddenCommand(msg chat1.MsgSummary) bool {
-	for _, username := range s.botAdmins {
-		if username == msg.Sender.Username {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(s.botAdmins, msg.Sender.Username)
 }
 
 func (s *Server) handleLogSend(msg chat1.MsgSummary) error {
diff --git a/base/stats.go b/base/stats.go
index 6eb2969d..bda9536a 100644
--- a/base/stats.go
+++ b/base/stats.go
@@ -83,7 +83,7 @@ func (s *StathatBackend) Shutdown() error {
 	return nil
 }
 
-func NewStatsBackend(btype StatsBackendType, config interface{}) (StatsBackend, error) {
+func NewStatsBackend(btype StatsBackendType, config any) (StatsBackend, error) {
 	switch btype {
 	case StathatStatsBackendType:
 		cfg, ok := config.(StathatConfig)
diff --git a/base/util.go b/base/util.go
index 2fe47738..e64db218 100644
--- a/base/util.go
+++ b/base/util.go
@@ -28,12 +28,12 @@ var DefaultBotAdmins = []string{
 	"mikem",
 }
 
-func MsgpackDecode(dst interface{}, src []byte) error {
+func MsgpackDecode(dst any, src []byte) error {
 	h := codecHandle()
 	return codec.NewDecoderBytes(src, h).Decode(dst)
 }
 
-func MsgpackEncode(src interface{}) ([]byte, error) {
+func MsgpackEncode(src any) ([]byte, error) {
 	h := codecHandle()
 	var ret []byte
 	err := codec.NewEncoderBytes(&ret, h).Encode(src)
@@ -279,7 +279,7 @@ func MakeSecret(repo string, convID chat1.ConvIDStr, secret string) string {
 	return fmt.Sprintf("%x", sha256.Sum256([]byte(repo+string(ShortConvID(convID))+secret)))
 }
 
-func SendByConvNameOrID(kbc *kbchat.API, debugOutput *DebugOutput, name, msg string, args ...interface{}) (err error) {
+func SendByConvNameOrID(kbc *kbchat.API, debugOutput *DebugOutput, name, msg string, args ...any) (err error) {
 	if _, err = kbc.SendMessageByConvID(chat1.ConvIDStr(name), msg, args...); err == nil {
 		return nil
 	}
diff --git a/elastiwatch/elastiwatch/grouper.go b/elastiwatch/elastiwatch/grouper.go
index 834f56cd..b99e6472 100644
--- a/elastiwatch/elastiwatch/grouper.go
+++ b/elastiwatch/elastiwatch/grouper.go
@@ -126,10 +126,7 @@ func (t *treeifyGrouper) buildForest(trees []*tree) (forest []*tree) {
 		return trees
 	}
 	numParts := len(trees[0].words)
-	minDist := numParts
-	if minDist > t.maxGroups {
-		minDist = t.maxGroups
-	}
+	minDist := min(numParts, t.maxGroups)
 	for _, loneTree := range trees {
 		consumed := false
 		for _, forestTree := range forest {
diff --git a/elastiwatch/elastiwatch/handler.go b/elastiwatch/elastiwatch/handler.go
index 7a7feb46..1abb7e48 100644
--- a/elastiwatch/elastiwatch/handler.go
+++ b/elastiwatch/elastiwatch/handler.go
@@ -51,15 +51,15 @@ func (h *Handler) handleDeferrals(convID chat1.ConvIDStr, _ string) error {
 	if err != nil {
 		return err
 	}
-	body := ""
+	var body strings.Builder
 	if len(deferrals) == 0 {
 		h.ChatEcho(convID, "No deferrals in use")
 		return nil
 	}
 	for _, d := range deferrals {
-		body += fmt.Sprintf("id: %d author: %s regex: %s (created: %v)\n", d.ID, d.Author, d.Regex, d.Ctime)
+		body.WriteString(fmt.Sprintf("id: %d author: %s regex: %s (created: %v)\n", d.ID, d.Author, d.Regex, d.Ctime))
 	}
-	h.ChatEcho(convID, "%s", body)
+	h.ChatEcho(convID, "%s", body.String())
 	return nil
 }
 
diff --git a/elastiwatch/elastiwatch/logs.go b/elastiwatch/elastiwatch/logs.go
index 2f7c9816..d911e221 100644
--- a/elastiwatch/elastiwatch/logs.go
+++ b/elastiwatch/elastiwatch/logs.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"regexp"
+	"strings"
 	"time"
 
 	"github.com/keybase/go-keybase-chat-bot/kbchat/types/chat1"
@@ -79,14 +80,15 @@ func (l *LogWatch) alertFromChunk(c chunk) {
 }
 
 func (l *LogWatch) alertEmail(subject string, chunks []chunk) {
-	body := fmt.Sprintf("Email sent: %s", subject)
+	var body strings.Builder
+	body.WriteString(fmt.Sprintf("Email sent: %s", subject))
 	for _, c := range chunks {
 		if c.Severity == "INFO" {
 			continue
 		}
-		body += fmt.Sprintf("\n%s %d %s", c.Severity, c.Count, c.Message)
+		body.WriteString(fmt.Sprintf("\n%s %d %s", c.Severity, c.Count, c.Message))
 	}
-	l.ChatEcho(l.emailConvID, "```%s```", body)
+	l.ChatEcho(l.emailConvID, "```%s```", body.String())
 }
 
 func (l *LogWatch) filterEntries(entries []*entry) (res []*entry) {
diff --git a/gcalbot/gcalbot/account.go b/gcalbot/gcalbot/account.go
index c9a8c02a..ca2839a7 100644
--- a/gcalbot/gcalbot/account.go
+++ b/gcalbot/gcalbot/account.go
@@ -28,7 +28,7 @@ func (h *Handler) handleAccountsList(msg chat1.MsgSummary) error {
 	}
 
 	accountListMessage := "Here are your connected accounts:" + strings.Repeat("\n• %s", len(accounts))
-	accountInterfaces := make([]interface{}, len(accounts))
+	accountInterfaces := make([]any, len(accounts))
 	for index := range accounts {
 		accountInterfaces[index] = accounts[index].AccountNickname
 	}
diff --git a/gcalbot/gcalbot/calendar.go b/gcalbot/gcalbot/calendar.go
index f261499f..98d7b809 100644
--- a/gcalbot/gcalbot/calendar.go
+++ b/gcalbot/gcalbot/calendar.go
@@ -41,7 +41,7 @@ func (h *Handler) handleCalendarsList(msg chat1.MsgSummary, args []string) error
 		return nil
 	}
 
-	data := []interface{}{accountNickname}
+	data := []any{accountNickname}
 	for _, calendarItem := range calendarList {
 		if calendarItem.SummaryOverride != "" {
 			data = append(data, calendarItem.SummaryOverride)
diff --git a/gcalbot/gcalbot/event.go b/gcalbot/gcalbot/event.go
index 3a5f5c0c..b41f51f7 100644
--- a/gcalbot/gcalbot/event.go
+++ b/gcalbot/gcalbot/event.go
@@ -67,20 +67,20 @@ func FormatEvent(
 		}
 	}
 
-	var conferenceData string
+	var conferenceData strings.Builder
 	if event.ConferenceData != nil {
 		for _, entryPoint := range event.ConferenceData.EntryPoints {
 			uri := strings.TrimPrefix(entryPoint.Uri, "https://")
 			switch entryPoint.EntryPointType {
 			case "video", "more":
-				conferenceData += fmt.Sprintf("\n> Join online: %s", uri)
+				conferenceData.WriteString(fmt.Sprintf("\n> Join online: %s", uri))
 			case "phone":
-				conferenceData += fmt.Sprintf("\n> Join by phone: %s", entryPoint.Label)
+				conferenceData.WriteString(fmt.Sprintf("\n> Join by phone: %s", entryPoint.Label))
 				if entryPoint.Pin != "" {
-					conferenceData += fmt.Sprintf(" PIN: %s", entryPoint.Pin)
+					conferenceData.WriteString(fmt.Sprintf(" PIN: %s", entryPoint.Pin))
 				}
 			case "sip":
-				conferenceData += fmt.Sprintf("\n> Join by SIP: %s", entryPoint.Label)
+				conferenceData.WriteString(fmt.Sprintf("\n> Join by SIP: %s", entryPoint.Label))
 			}
 		}
 	}
@@ -101,7 +101,7 @@ func FormatEvent(
 	url := strings.TrimPrefix(event.HtmlLink, "https://")
 
 	return fmt.Sprintf(message,
-		what, when, where, conferenceData, organizer, calendarSummary, description, url), nil
+		what, when, where, conferenceData.String(), organizer, calendarSummary, description, url), nil
 }
 
 func FormatEventSchedule(
diff --git a/gcalbot/gcalbot/html.go b/gcalbot/gcalbot/html.go
index 2bbbe623..79893032 100644
--- a/gcalbot/gcalbot/html.go
+++ b/gcalbot/gcalbot/html.go
@@ -524,7 +524,7 @@ var templates = template.Must(template.Must(template.Must(template.Must(template
 	},
 }).Parse(tmplConfig))
 
-func (h *HTTPSrv) servePage(w http.ResponseWriter, name string, data interface{}) {
+func (h *HTTPSrv) servePage(w http.ResponseWriter, name string, data any) {
 	var page bytes.Buffer
 	if err := templates.ExecuteTemplate(&page, name, data); err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
diff --git a/gcalbot/gcalbot/http.go b/gcalbot/gcalbot/http.go
index 3575ca73..32c3c5a8 100644
--- a/gcalbot/gcalbot/http.go
+++ b/gcalbot/gcalbot/http.go
@@ -261,7 +261,7 @@ func (h *HTTPSrv) configHandler(w http.ResponseWriter, r *http.Request) {
 		}
 		// get list of times in half hour increments
 		baseTime := time.Date(2006, time.January, 2, 0, 0, 0, 0, dsTimezone)
-		for i := 0; i < 48; i++ {
+		for i := range 48 {
 			var title string
 			minutes := i * 30
 			dateTime := baseTime.Add(time.Duration(minutes) * time.Minute)
diff --git a/githubbot/githubbot/handler.go b/githubbot/githubbot/handler.go
index f2c5176a..289cb031 100644
--- a/githubbot/githubbot/handler.go
+++ b/githubbot/githubbot/handler.go
@@ -199,9 +199,9 @@ func (h *Handler) handleListSubscriptions(msg chat1.MsgSummary) (err error) {
 		return nil
 	}
 
-	var res string
+	var res strings.Builder
 	for repo, f := range features {
-		res += fmt.Sprintf("- *%s* (%s)\n", repo, &f)
+		res.WriteString(fmt.Sprintf("- *%s* (%s)\n", repo, &f))
 		if f.Commits {
 			branches, err := h.db.GetAllBranchesForRepo(msg.ConvID, repo)
 			if err != nil {
@@ -209,11 +209,11 @@ func (h *Handler) handleListSubscriptions(msg chat1.MsgSummary) (err error) {
 			}
 
 			for _, branch := range branches {
-				res += fmt.Sprintf("   - %s\n", branch)
+				res.WriteString(fmt.Sprintf("   - %s\n", branch))
 			}
 		}
 	}
-	h.ChatEcho(msg.ConvID, "%s", res)
+	h.ChatEcho(msg.ConvID, "%s", res.String())
 	return nil
 }
 
diff --git a/githubbot/githubbot/http.go b/githubbot/githubbot/http.go
index abcb988d..33944163 100644
--- a/githubbot/githubbot/http.go
+++ b/githubbot/githubbot/http.go
@@ -134,7 +134,7 @@ func (h *HTTPSrv) handleWebhook(_ http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (h *HTTPSrv) formatMessage(convID chat1.ConvIDStr, event interface{}, repo string, client *github.Client) (message string, branch string) {
+func (h *HTTPSrv) formatMessage(convID chat1.ConvIDStr, event any, repo string, client *github.Client) (message string, branch string) {
 	parsedRepo := strings.Split(repo, "/")
 	if len(parsedRepo) != 2 {
 		h.Debug("invalid repo: %s", repo)
diff --git a/githubbot/githubbot/util.go b/githubbot/githubbot/util.go
index 78b16571..339305c3 100644
--- a/githubbot/githubbot/util.go
+++ b/githubbot/githubbot/util.go
@@ -205,7 +205,7 @@ func getPossibleKBUser(kbc *kbchat.API, d *DB, debug *base.DebugOutput, githubUs
 }
 
 // pref checking
-func shouldParseEvent(event interface{}, features *Features) bool {
+func shouldParseEvent(event any, features *Features) bool {
 	if features == nil {
 		return true
 	}
diff --git a/gitlabbot/gitlabbot/handler.go b/gitlabbot/gitlabbot/handler.go
index 04650385..216a65a7 100644
--- a/gitlabbot/gitlabbot/handler.go
+++ b/gitlabbot/gitlabbot/handler.go
@@ -142,10 +142,10 @@ func (h *Handler) handleListSubscriptions(msg chat1.MsgSummary) (err error) {
 		return nil
 	}
 
-	var res string
+	var res strings.Builder
 	for _, repo := range subscriptions {
-		res += fmt.Sprintf("- *%s*\n", repo)
+		res.WriteString(fmt.Sprintf("- *%s*\n", repo))
 	}
-	h.ChatEcho(msg.ConvID, "%s", res)
+	h.ChatEcho(msg.ConvID, "%s", res.String())
 	return nil
 }
diff --git a/macrobot/macrobot/handler.go b/macrobot/macrobot/handler.go
index c008837a..399f16c3 100644
--- a/macrobot/macrobot/handler.go
+++ b/macrobot/macrobot/handler.go
@@ -162,7 +162,7 @@ func (h *Handler) handleList(msg chat1.MsgSummary) error {
 		return nil
 	}
 
-	data := []interface{}{getChannelType(msg.Channel, true)}
+	data := []any{getChannelType(msg.Channel, true)}
 	hasConvs := false
 	for i, macro := range macroList {
 		// If we have a team and conv command defined with the same name we
diff --git a/pollbot/pollbot/handler.go b/pollbot/pollbot/handler.go
index ef3e3d99..f8446954 100644
--- a/pollbot/pollbot/handler.go
+++ b/pollbot/pollbot/handler.go
@@ -58,12 +58,12 @@ func (h *Handler) generateAnonymousPoll(convID chat1.ConvIDStr, prompt string, o
 		return fmt.Errorf("failed to get ID of prompt message")
 	}
 	promptMsgID := *sendRes.Result.MessageID
-	var body string
+	var body strings.Builder
 	for index, option := range options {
-		body += fmt.Sprintf("\n%s  *%s*\n%s\n", base.NumberToEmoji(index+1), option,
-			h.generateVoteLink(id, index+1))
+		body.WriteString(fmt.Sprintf("\n%s  *%s*\n%s\n", base.NumberToEmoji(index+1), option,
+			h.generateVoteLink(id, index+1)))
 	}
-	h.ChatEcho(convID, "%s", body)
+	h.ChatEcho(convID, "%s", body.String())
 	if sendRes, err = h.kbc.SendMessageByConvID(convID, "*Results*\n_No votes yet_"); err != nil {
 		return fmt.Errorf("failed to send poll: %s", err)
 	}
@@ -78,12 +78,13 @@ func (h *Handler) generateAnonymousPoll(convID chat1.ConvIDStr, prompt string, o
 }
 
 func (h *Handler) generatePoll(convID chat1.ConvIDStr, prompt string, options []string) error {
-	body := fmt.Sprintf("Poll: *%s*\n\n", prompt)
+	var body strings.Builder
+	body.WriteString(fmt.Sprintf("Poll: *%s*\n\n", prompt))
 	for index, option := range options {
-		body += fmt.Sprintf("%s  %s\n", base.NumberToEmoji(index+1), option)
+		body.WriteString(fmt.Sprintf("%s  %s\n", base.NumberToEmoji(index+1), option))
 	}
-	body += "Tap a reaction below to register your vote!"
-	sendRes, err := h.kbc.SendMessageByConvID(convID, "%s", body)
+	body.WriteString("Tap a reaction below to register your vote!")
+	sendRes, err := h.kbc.SendMessageByConvID(convID, "%s", body.String())
 	if err != nil {
 		return fmt.Errorf("failed to send poll: %s", err)
 	}
diff --git a/pollbot/pollbot/util.go b/pollbot/pollbot/util.go
index 5b7f7b1a..c24ba17d 100644
--- a/pollbot/pollbot/util.go
+++ b/pollbot/pollbot/util.go
@@ -22,7 +22,7 @@ func formatTally(tally Tally, numChoices int) (res string) {
 	for _, t := range tally {
 		tallyMap[t.choice] = t
 	}
-	for i := 0; i < numChoices; i++ {
+	for i := range numChoices {
 		t, ok := tallyMap[i+1]
 		if !ok {
 			t.choice = i + 1
diff --git a/webhookbot/webhookbot/handler.go b/webhookbot/webhookbot/handler.go
index 8e6cbb41..153a2fe5 100644
--- a/webhookbot/webhookbot/handler.go
+++ b/webhookbot/webhookbot/handler.go
@@ -96,11 +96,11 @@ func (h *Handler) handleList(_ string, msg chat1.MsgSummary) (err error) {
 		h.ChatEcho(convID, "No hooks in this conversation")
 		return nil
 	}
-	var body string
+	var body strings.Builder
 	for _, hook := range hooks {
-		body += fmt.Sprintf("%s, %s\n", hook.Name, h.formURL(hook.ID))
+		body.WriteString(fmt.Sprintf("%s, %s\n", hook.Name, h.formURL(hook.ID)))
 	}
-	if _, err := h.kbc.SendMessageByTlfName(msg.Sender.Username, "%s", body); err != nil {
+	if _, err := h.kbc.SendMessageByTlfName(msg.Sender.Username, "%s", body.String()); err != nil {
 		h.Debug("handleList: failed to send hook: %s", err)
 	}
 	h.ChatEcho(convID, "List sent to @%s", msg.Sender.Username)