Follow Discord
Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
Home / Reference
Reference

Every name Claude Code reads.

Not the names we happened to write about. The names that are actually in the build, read out of the shipped bundle release by release, and kept here after they disappear again. Eight kinds of them, 5,592 in all.

Names5,592across eight families
In v2.1.3082,331the newest inventory read
Gone816in an earlier build, not in that one
Builds read149inventories on this box
Widest familyflag2,081 feature flags

Every name, with its span

5,592 names

First and last are the builds an inventory was read out of, not the day anybody wrote the name down. Builds counts the 149 on this box, the newest of them v2.1.308.

Family
Status
FamilyNameFirst seenLast seenBuildsStatus
envANTHROPIC_BETASv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_CONFIG_DIRv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_CUSTOM_HEADERSv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_CUSTOM_MODEL_OPTIONv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_CUSTOM_MODEL_OPTION_DESCRIPTIONv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_CUSTOM_MODEL_OPTION_NAMEv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_FABLE_MODELv2.1.170 v2.1.308 120◆in the build envANTHROPIC_DEFAULT_FABLE_MODEL_DESCRIPTIONv2.1.170 v2.1.308 120◆in the build envANTHROPIC_DEFAULT_FABLE_MODEL_NAMEv2.1.170 v2.1.308 120◆in the build envANTHROPIC_DEFAULT_HAIKU_MODELv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_HAIKU_MODEL_DESCRIPTIONv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_HAIKU_MODEL_NAMEv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_MODELv2.1.236 v2.1.308 62◆in the build envANTHROPIC_DEFAULT_OPUS_MODELv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_OPUS_MODEL_DESCRIPTIONv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_OPUS_MODEL_NAMEv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_SONNET_MODELv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_SONNET_MODEL_DESCRIPTIONv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_DEFAULT_SONNET_MODEL_NAMEv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_ENVIRONMENT_IDv2.1.145 v2.1.245 89○gone envANTHROPIC_ENVIRONMENT_KEYv2.1.145 v2.1.245 89○gone envANTHROPIC_FEDERATION_RULE_IDv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_FOUNDRY_API_KEYv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_FOUNDRY_AUTH_TOKENv2.1.203 v2.1.308 94◆in the build envANTHROPIC_FOUNDRY_BASE_URLv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_FOUNDRY_RESOURCEv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_GOOGLE_CLOUD_BASE_URLv2.1.213 v2.1.308 84◆in the build envANTHROPIC_GOOGLE_CLOUD_LOCATIONv2.1.213 v2.1.308 84◆in the build envANTHROPIC_GOOGLE_CLOUD_PROJECTv2.1.213 v2.1.308 84◆in the build envANTHROPIC_GOOGLE_CLOUD_WORKSPACE_IDv2.1.213 v2.1.308 84◆in the build envANTHROPIC_MODELv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_ORGANIZATION_IDv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_PROFILEv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_SMALL_FAST_MODELv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_SMALL_FAST_MODEL_AWS_REGIONv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_UNIX_SOCKETv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_VERTEX_BASE_URLv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_VERTEX_PROJECT_IDv2.1.138 or earlier v2.1.308 149◆in the build envANTHROPIC_WEBHOOK_SIGNING_KEYnever mined — 0·never mined envANTHROPIC_WORK_SECRETnever mined — 0·never mined envANTHROPIC_WORKSPACE_IDv2.1.141 v2.1.308 146◆in the build envAPI_FORCE_IDLE_TIMEOUTv2.1.138 or earlier v2.1.308 149◆in the build envAPI_MAX_INPUT_TOKENSv2.1.160 v2.1.211 44○gone envAPI_TARGET_INPUT_TOKENSv2.1.160 v2.1.211 44○gone envAPI_TIMEOUT_MSv2.1.138 or earlier v2.1.308 149◆in the build envAPI_TOKENv2.1.160 v2.1.217 50○gone envAPP_URLv2.1.138 or earlier v2.1.308 149◆in the build envAPPDATAv2.1.138 or earlier v2.1.308 149◆in the build envAUTOMODE_DECISION_LOGv2.1.160 v2.1.308 129◆in the build envAWS_ACCESS_KEY_IDv2.1.138 or earlier v2.1.308 149◆in the build envAWS_BEARER_TOKEN_BEDROCKv2.1.138 or earlier v2.1.308 149◆in the build envAWS_CA_BUNDLEv2.1.251 v2.1.308 49◆in the build envAWS_CONFIG_FILEv2.1.172 v2.1.308 119◆in the build envAWS_CONTAINER_CREDENTIALS_FULL_URIv2.1.178 v2.1.308 113◆in the build envAWS_CONTAINER_CREDENTIALS_RELATIVE_URIv2.1.178 v2.1.308 113◆in the build envAWS_DEFAULT_REGIONv2.1.138 or earlier v2.1.308 149◆in the build envAWS_ENDPOINT_URLv2.1.239 v2.1.308 59◆in the build envAWS_ENDPOINT_URL_BEDROCKv2.1.285 v2.1.308 22◆in the build envAWS_ENDPOINT_URL_BEDROCK_RUNTIMEv2.1.285 v2.1.308 22◆in the build envAWS_ENDPOINT_URL_STSv2.1.239 v2.1.308 59◆in the build envAWS_EXECUTION_ENVv2.1.138 or earlier v2.1.308 149◆in the build envAWS_LAMBDA_BENCHMARK_MODEv2.1.138 or earlier v2.1.308 149◆in the build envAWS_LAMBDA_FUNCTION_NAMEv2.1.138 or earlier v2.1.308 149◆in the build envAWS_LOGIN_CACHE_DIRECTORYv2.1.138 or earlier v2.1.308 149◆in the build envAWS_PROFILEv2.1.138 or earlier v2.1.308 149◆in the build envAWS_REGIONv2.1.138 or earlier v2.1.308 149◆in the build envAWS_ROLE_ARNv2.1.178 v2.1.308 113◆in the build envAWS_SECRET_ACCESS_KEYv2.1.138 or earlier v2.1.308 149◆in the build envAWS_SESSION_TOKENv2.1.138 or earlier v2.1.308 149◆in the build envAWS_SHARED_CREDENTIALS_FILEv2.1.172 v2.1.308 119◆in the build envAWS_USE_FIPS_ENDPOINTv2.1.281 v2.1.308 26◆in the build envAWS_WEB_IDENTITY_TOKEN_FILEv2.1.178 v2.1.308 113◆in the build envAZURE_ADDITIONALLY_ALLOWED_TENANTSv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_AUTHORITY_HOSTv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_CLIENT_CERTIFICATE_PASSWORDv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_CLIENT_CERTIFICATE_PATHv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_CLIENT_IDv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_CLIENT_SECRETv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_CLIENT_SEND_CERTIFICATE_CHAINv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_FEDERATED_TOKEN_FILEv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_FUNCTIONS_ENVIRONMENTv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_IDENTITY_DISABLE_MULTITENANTAUTHv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_PASSWORDv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_POD_IDENTITY_AUTHORITY_HOSTv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_REGIONAL_AUTHORITY_NAMEv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_TENANT_IDv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_TOKEN_CREDENTIALSv2.1.138 or earlier v2.1.308 149◆in the build envAZURE_USERNAMEv2.1.138 or earlier v2.1.308 149◆in the build envBASH_ENVv2.1.242 v2.1.263 15○gone envBASH_MAX_OUTPUT_LENGTHv2.1.138 or earlier v2.1.308 149◆in the build envBAT_THEMEv2.1.138 or earlier v2.1.308 149◆in the build envBETA_TRACING_ENDPOINTv2.1.138 or earlier v2.1.308 149◆in the build envBROWSERv2.1.138 or earlier v2.1.308 149◆in the build envBUF_BIGINT_DISABLEv2.1.191 v2.1.308 104◆in the build envBUGHUNTER_CODE_QUALITYnever mined — 0·never mined envBUGHUNTER_DEV_BUNDLE_B64v2.1.138 or earlier v2.1.308 149◆in the build envBUGHUNTER_FLEET_SIZEv2.1.138 or earlier v2.1.308 149◆in the build envBUILDKITEv2.1.138 or earlier v2.1.308 149◆in the build envBUN_CHROME_PATHv2.1.210 v2.1.308 87◆in the build envBUN_CONFIG_FILEv2.1.242 v2.1.263 15○gone
Feedback