Claude Code wire drift

Every change to what Claude Code sends on the wire — beta flags, headers, tools, the system prompt — as dario's template watcher observed it. The watcher captures a live Claude Code install every 30 minutes and re-bakes dario's bundled template when the shape moves; this page is that history, rebuilt from git on every publish. 121 entries, 62 wire changes, since 2026-04-12.

Claude Code 2.1.270 shipped — nothing changed on the wire

observed 2026-09-12 23:36Z · 2.1.269 → 2.1.270 · #1305

Claude Code 2.1.269 shipped — nothing changed on the wire

observed 2026-09-11 22:52Z · 2.1.268 → 2.1.269 · #1287

Claude Code 2.1.268 shipped — nothing changed on the wire

observed 2026-09-10 23:50Z · 2.1.267 → 2.1.268 · #1281

Claude Code 2.1.267 shipped — nothing changed on the wire

observed 2026-09-09 22:16Z · 2.1.266 → 2.1.267 · #1276

Claude Code 2.1.266 shipped — nothing changed on the wire

observed 2026-09-09 05:15Z · 2.1.265 → 2.1.266 · #1271

Claude Code 2.1.265: beta flags, tools, system prompt changed on the wire

observed 2026-09-08 22:44Z · captured 2026-09-08 21:59Z · 2.1.263 → 2.1.265 · #1267

Claude Code 2.1.263 shipped — nothing changed on the wire

observed 2026-09-06 06:41Z · 2.1.261 → 2.1.263 · #1221

Claude Code 2.1.261 shipped — nothing changed on the wire

observed 2026-09-04 21:29Z · 2.1.260 → 2.1.261 · #1202

Claude Code 2.1.260 shipped — nothing changed on the wire

observed 2026-09-04 05:21Z · 2.1.259 → 2.1.260 · #1198

Claude Code 2.1.259 shipped — nothing changed on the wire

observed 2026-09-02 23:40Z · 2.1.258 → 2.1.259 · #1195

Claude Code 2.1.258 shipped — nothing changed on the wire

observed 2026-09-02 00:38Z · 2.1.257 → 2.1.258 · #1184

Claude Code 2.1.257: tools, system prompt changed on the wire

observed 2026-09-01 22:06Z · captured 2026-09-01 21:58Z · 2.1.252 → 2.1.257 · #1180

Claude Code 2.1.252 shipped — nothing changed on the wire

observed 2026-09-01 00:19Z · 2.1.251 → 2.1.252 · #1174

Claude Code 2.1.251 shipped — nothing changed on the wire

observed 2026-08-29 02:28Z · 2.1.250 → 2.1.251 · #1136

Claude Code 2.1.250 shipped — nothing changed on the wire

observed 2026-08-28 08:05Z · 2.1.247 → 2.1.250 · #1127

Claude Code 2.1.247 shipped — nothing changed on the wire

observed 2026-08-27 13:37Z · 2.1.246 → 2.1.247 · #1121

Claude Code 2.1.246 shipped — nothing changed on the wire

observed 2026-08-26 02:23Z · 2.1.245 → 2.1.246 · #1116

Claude Code 2.1.245 shipped — nothing changed on the wire

observed 2026-08-25 14:39Z · 2.1.241 → 2.1.245 · #1104

Claude Code 2.1.241: system prompt changed on the wire

observed 2026-08-25 00:40Z · captured 2026-08-24 23:57Z · #1094

Claude Code 2.1.241: system prompt changed on the wire

observed 2026-08-24 21:46Z · captured 2026-08-24 14:21Z · #1089

Claude Code 2.1.241: system prompt changed on the wire

observed 2026-08-24 11:48Z · captured 2026-08-24 09:27Z · #1085

Claude Code 2.1.241: tools, system prompt changed on the wire

observed 2026-08-24 01:21Z · captured 2026-08-23 22:53Z · #1081

Claude Code 2.1.241 shipped — nothing changed on the wire

observed 2026-08-23 05:19Z · 2.1.240 → 2.1.241 · #1076

Claude Code 2.1.240 shipped — nothing changed on the wire

observed 2026-08-22 17:01Z · 2.1.239 → 2.1.240 · #1070

Claude Code 2.1.239 shipped — nothing changed on the wire

observed 2026-08-22 13:43Z · 2.1.238 → 2.1.239 · #1064

Claude Code 2.1.238 shipped — nothing changed on the wire

observed 2026-08-21 03:54Z · 2.1.237 → 2.1.238 · #1052

Claude Code 2.1.237 shipped — nothing changed on the wire

observed 2026-08-20 19:29Z · 2.1.236 → 2.1.237 · #1028

Claude Code 2.1.236 shipped — nothing changed on the wire

observed 2026-08-20 01:27Z · 2.1.235 → 2.1.236 · #1023

Claude Code 2.1.235: system prompt changed on the wire

observed 2026-08-19 22:44Z · captured 2026-08-19 16:59Z · #1019

Claude Code 2.1.235 shipped — nothing changed on the wire

observed 2026-08-19 03:42Z · 2.1.234 → 2.1.235 · #1015

Claude Code 2.1.234: tools, system prompt changed on the wire

observed 2026-08-18 14:15Z · captured 2026-08-18 05:04Z · 2.1.233 → 2.1.234 · #1001

Claude Code 2.1.233: tools, headers, system prompt changed on the wire

observed 2026-08-15 13:13Z · captured 2026-08-15 04:59Z · 2.1.232 → 2.1.233 · #984

Claude Code 2.1.232 shipped — nothing changed on the wire

observed 2026-08-14 05:21Z · 2.1.229 → 2.1.232 · #973

Claude Code 2.1.229 shipped — nothing changed on the wire

observed 2026-08-13 00:40Z · 2.1.228 → 2.1.229 · #961

Claude Code 2.1.228 shipped — nothing changed on the wire

observed 2026-08-12 18:53Z · 2.1.227 → 2.1.228 · #955

Claude Code 2.1.227: tools, system prompt changed on the wire

observed 2026-08-11 13:32Z · captured 2026-08-11 05:38Z · 2.1.226 → 2.1.227 · #947

Claude Code 2.1.226 shipped — nothing changed on the wire

observed 2026-08-08 05:29Z · 2.1.224 → 2.1.226 · #933

Claude Code 2.1.224: tools changed on the wire

observed 2026-08-08 00:49Z · captured 2026-08-08 00:04Z · 2.1.221 → 2.1.224 · #923

Claude Code 2.1.221 shipped — nothing changed on the wire

observed 2026-08-04 14:31Z · 2.1.220 → 2.1.221 · #908

Claude Code 2.1.220: beta flags, tools, system prompt changed on the wire

observed 2026-07-26 17:01Z · captured 2026-07-26 16:44Z · #878

Claude Code 2.1.220: beta flags, tools, system prompt changed on the wire

observed 2026-07-26 16:01Z · captured 2026-07-26 15:47Z · #876

Claude Code 2.1.220: beta flags, tools, system prompt changed on the wire

observed 2026-07-26 13:49Z · captured 2026-07-26 04:50Z · #869

Claude Code 2.1.220: beta flags, tools, system prompt changed on the wire

observed 2026-07-26 02:29Z · captured 2026-07-26 01:33Z · #865

Claude Code 2.1.220: beta flags, tools, system prompt changed on the wire

observed 2026-07-25 20:49Z · captured 2026-07-25 19:33Z · #860

Claude Code 2.1.220: tools changed on the wire

observed 2026-07-25 19:30Z · #859

Claude Code 2.1.220: headers changed on the wire

observed 2026-07-25 18:18Z · #856

Claude Code 2.1.220: beta flags, tools, headers, system prompt changed on the wire

observed 2026-07-25 18:05Z · captured 2026-07-25 17:32Z · #854

Claude Code 2.1.220: beta flags, tools, headers, system prompt changed on the wire

observed 2026-07-25 17:04Z · captured 2026-07-25 16:43Z · #852

Claude Code 2.1.220: beta flags, tools, headers, system prompt changed on the wire

observed 2026-07-25 16:35Z · captured 2026-07-25 15:56Z · #851

Claude Code 2.1.220 shipped — nothing changed on the wire

observed 2026-07-25 07:23Z · 2.1.218 → 2.1.220 · #849

Claude Code 2.1.218 shipped — nothing changed on the wire

observed 2026-07-23 19:44Z · 2.1.216 → 2.1.218 · #840

Claude Code 2.1.216 shipped — nothing changed on the wire

observed 2026-07-21 15:34Z · 2.1.215 → 2.1.216 · #828

Claude Code 2.1.215 shipped — nothing changed on the wire

observed 2026-07-19 07:25Z · 2.1.214 → 2.1.215 · #820

Claude Code 2.1.214: tools changed on the wire

observed 2026-07-18 15:15Z · captured 2026-07-18 14:14Z · #810

Claude Code 2.1.214 shipped — nothing changed on the wire

observed 2026-07-18 12:17Z · 2.1.212 → 2.1.214 · #798

Claude Code 2.1.212 shipped — nothing changed on the wire

observed 2026-07-17 16:11Z · 2.1.211 → 2.1.212 · #785

Claude Code 2.1.211 shipped — nothing changed on the wire

observed 2026-07-16 15:33Z · 2.1.210 → 2.1.211 · #771

Claude Code 2.1.210 shipped — nothing changed on the wire

observed 2026-07-15 11:24Z · 2.1.208 → 2.1.210 · #765

Claude Code 2.1.208: system prompt changed on the wire

observed 2026-07-14 23:43Z · captured 2026-07-14 06:32Z · 2.1.207 → 2.1.208 · #756

Claude Code 2.1.207: tools changed on the wire

observed 2026-07-11 12:04Z · captured 2026-07-11 06:31Z · 2.1.206 → 2.1.207 · #711

Claude Code 2.1.206 shipped — nothing changed on the wire

observed 2026-07-10 05:53Z · 2.1.205 → 2.1.206 · #704

Claude Code 2.1.205 shipped — nothing changed on the wire

observed 2026-07-09 06:44Z · 2.1.204 → 2.1.205 · #696

Claude Code 2.1.204 shipped — nothing changed on the wire

observed 2026-07-08 04:44Z · 2.1.202 → 2.1.204 · #688

Claude Code 2.1.202 shipped — nothing changed on the wire

observed 2026-07-07 06:36Z · 2.1.201 → 2.1.202 · #677

Claude Code 2.1.201 shipped — nothing changed on the wire

observed 2026-07-04 05:37Z · 2.1.199 → 2.1.201 · #666

Claude Code 2.1.199 shipped — nothing changed on the wire

observed 2026-07-03 05:45Z · 2.1.198 → 2.1.199 · #656

Claude Code 2.1.198: beta flags, tools, headers, system prompt changed on the wire

observed 2026-07-02 02:13Z · captured 2026-07-02 02:12Z · #634

Claude Code 2.1.198: beta flags, tools, headers, system prompt changed on the wire

observed 2026-07-01 23:24Z · captured 2026-07-01 23:11Z · 2.1.197 → 2.1.198 · #629

Claude Code 2.1.197 shipped — nothing changed on the wire

observed 2026-07-01 07:04Z · 2.1.196 → 2.1.197 · #612

Claude Code 2.1.196: tools, headers changed on the wire

observed 2026-06-30 16:30Z · captured 2026-06-30 06:36Z · 2.1.195 → 2.1.196 · #595

Claude Code 2.1.195 shipped — nothing changed on the wire

observed 2026-06-27 00:19Z · 2.1.193 → 2.1.195 · #589

Claude Code 2.1.193 shipped — nothing changed on the wire

observed 2026-06-26 06:34Z · 2.1.191 → 2.1.193 · #581

Claude Code 2.1.191 shipped — nothing changed on the wire

observed 2026-06-25 06:40Z · 2.1.187 → 2.1.191 · #578

Claude Code 2.1.187: tools changed on the wire

observed 2026-06-24 11:16Z · captured 2026-06-24 06:27Z · 2.1.186 → 2.1.187 · #568

Claude Code 2.1.186: tools changed on the wire

observed 2026-06-23 15:20Z · captured 2026-06-23 05:37Z · 2.1.185 → 2.1.186 · #560

Claude Code 2.1.185 shipped — nothing changed on the wire

observed 2026-06-21 06:43Z · 2.1.183 → 2.1.185 · #553

Claude Code 2.1.183 shipped — nothing changed on the wire

observed 2026-06-19 05:32Z · 2.1.181 → 2.1.183 · #549

Claude Code 2.1.181 shipped — nothing changed on the wire

observed 2026-06-18 07:26Z · 2.1.179 → 2.1.181 · #546

Claude Code 2.1.179 shipped — nothing changed on the wire

observed 2026-06-17 07:08Z · 2.1.178 → 2.1.179 · #543

Claude Code 2.1.178 shipped — nothing changed on the wire

observed 2026-06-16 05:42Z · 2.1.177 → 2.1.178 · #538

Claude Code 2.1.177 shipped — nothing changed on the wire

observed 2026-06-13 07:09Z · 2.1.175 → 2.1.177 · #517

Claude Code 2.1.175 shipped — nothing changed on the wire

observed 2026-06-12 05:13Z · 2.1.172 → 2.1.175 · #505

Claude Code 2.1.172: tools changed on the wire

observed 2026-06-11 21:53Z · captured 2026-06-11 20:43Z · #500

Claude Code 2.1.172 shipped — nothing changed on the wire

observed 2026-06-11 06:40Z · 2.1.170 → 2.1.172 · #498

Claude Code 2.1.170: beta flags, tools, headers, system prompt changed on the wire

observed 2026-06-10 11:56Z · captured 2026-06-10 11:51Z · #488

Claude Code 2.1.170: beta flags, tools, headers, system prompt changed on the wire

observed 2026-06-09 22:23Z · captured 2026-06-09 22:19Z · 2.1.169 → 2.1.170 · #475

Claude Code 2.1.169 shipped — nothing changed on the wire

observed 2026-06-09 05:39Z · 2.1.168 → 2.1.169 · #466

Claude Code 2.1.168 shipped — nothing changed on the wire

observed 2026-06-07 13:03Z · 2.1.162 → 2.1.168 · #451

Claude Code 2.1.162: system prompt changed on the wire

observed 2026-06-04 15:08Z · #438

Claude Code 2.1.162: tools changed on the wire

observed 2026-06-04 14:03Z · captured 2026-06-04 12:25Z · 2.1.160 → 2.1.162 · #436

Claude Code 2.1.160 shipped — nothing changed on the wire

observed 2026-06-02 15:27Z · 2.1.159 → 2.1.160 · #427

Claude Code 2.1.159 shipped — nothing changed on the wire

observed 2026-05-31 21:25Z · 2.1.156 → 2.1.159 · #418

Claude Code 2.1.156: tools, system prompt changed on the wire

observed 2026-05-29 17:00Z · captured 2026-05-29 16:58Z · 2.1.154 → 2.1.156 · #400

Claude Code 2.1.154: beta flags, tools, system prompt changed on the wire

observed 2026-05-28 23:00Z · captured 2026-05-28 22:52Z · 2.1.143 → 2.1.154 · #393

Claude Code 2.1.143: tools changed on the wire

observed 2026-05-17 23:55Z · captured 2026-05-17 23:47Z · #317

Claude Code 2.1.143: system prompt changed on the wire

observed 2026-05-17 14:55Z · captured 2026-05-17 14:50Z · #304

Claude Code 2.1.143: beta flags, tools, headers, system prompt changed on the wire

observed 2026-05-17 14:09Z · captured 2026-05-17 13:56Z · #300

Claude Code 2.1.143: beta flags, tools, system prompt changed on the wire

observed 2026-05-17 13:03Z · captured 2026-05-17 12:52Z · #299

Claude Code 2.1.143: tools, system prompt changed on the wire

observed 2026-05-16 13:09Z · captured 2026-05-16 12:59Z · 2.1.142 → 2.1.143 · #287

Claude Code 2.1.142: beta flags, tools, system prompt changed on the wire

observed 2026-05-14 23:57Z · captured 2026-05-14 23:55Z · 2.1.141 → 2.1.142 · #271

Claude Code 2.1.141: tools, headers, system prompt changed on the wire

observed 2026-05-14 00:10Z · captured 2026-05-14 00:08Z · 2.1.140 → 2.1.141 · #254

Claude Code 2.1.140: tools, system prompt changed on the wire

observed 2026-05-13 00:06Z · captured 2026-05-13 00:04Z · 2.1.139 → 2.1.140 · #250

Claude Code 2.1.139: tools, system prompt changed on the wire

observed 2026-05-12 18:41Z · captured 2026-05-12 18:38Z · 2.1.138 → 2.1.139 · #248

Claude Code 2.1.138: system prompt changed on the wire

observed 2026-05-09 14:57Z · captured 2026-05-09 13:25Z · 2.1.136 → 2.1.138 · #232

Claude Code 2.1.136: headers, system prompt changed on the wire

observed 2026-05-08 21:00Z · captured 2026-05-08 20:38Z · 2.1.133 → 2.1.136 · #225

Claude Code 2.1.133: tools, system prompt changed on the wire

observed 2026-05-08 14:03Z · captured 2026-05-08 14:00Z · 2.1.132 → 2.1.133 · #224

Claude Code 2.1.132: beta flags, tools, system prompt changed on the wire

observed 2026-05-06 23:57Z · captured 2026-05-06 23:54Z · 2.1.128 → 2.1.132 · #216

Claude Code 2.1.128: tools, system prompt changed on the wire

observed 2026-05-05 00:32Z · captured 2026-05-05 00:28Z · 2.1.123 → 2.1.128 · #206

Claude Code 2.1.123: system prompt changed on the wire

observed 2026-04-29 15:00Z · captured 2026-04-29 14:54Z · 2.1.122 → 2.1.123 · #169

Claude Code 2.1.122: tools, system prompt changed on the wire

observed 2026-04-28 23:38Z · captured 2026-04-28 23:28Z · 2.1.120 → 2.1.122 · #167

Claude Code 2.1.120: tools, system prompt changed on the wire

observed 2026-04-26 13:04Z · captured 2026-04-26 12:59Z · 2.1.119 → 2.1.120 · #148

Claude Code 2.1.119: tools changed on the wire

observed 2026-04-24 13:31Z · captured 2026-04-24 13:28Z · 2.1.118 → 2.1.119 · #132

Claude Code 2.1.118: tools changed on the wire

observed 2026-04-23 15:20Z · captured 2026-04-23 15:14Z · 2.1.117 → 2.1.118 · #105

Claude Code 2.1.117: system prompt changed on the wire

observed 2026-04-22 15:22Z · captured 2026-04-22 15:16Z · 2.1.116 → 2.1.117 · #96

Claude Code 2.1.116: tools changed on the wire

observed 2026-04-21 00:16Z · captured 2026-04-21 00:10Z · 2.1.114 → 2.1.116 · #62

Claude Code 2.1.114: beta flags, tools, headers changed on the wire

observed 2026-04-19 16:16Z · captured 2026-04-19 16:11Z · 2.1.112 → 2.1.114 · #55

Claude Code 2.1.112: beta flags changed on the wire

observed 2026-04-17 16:24Z · captured 2026-04-17 16:19Z · fdd8863eb0

Claude Code 2.1.112: beta flags, tools, headers, system prompt changed on the wire

observed 2026-04-17 15:32Z · captured 2026-04-17 15:25Z · 2.1.104 → 2.1.112 · 0321d80ec6

Claude Code 2.1.104: tools changed on the wire

observed 2026-04-13 13:13Z · d4822b055b

Claude Code 2.1.104: tools changed on the wire

observed 2026-04-13 12:57Z · 85a743fac1

Claude Code 2.1.104 — first template observed

observed 2026-04-12 14:28Z · captured 2026-04-12 00:00Z · 00a35e2c53