diff --git a/adoption/credential-inventory.json b/adoption/credential-inventory.json
index b5ad1bacf..0db956e0b 100644
--- a/adoption/credential-inventory.json
+++ b/adoption/credential-inventory.json
@@ -193,6 +193,31 @@
       "rotation": "Run claude setup-token in your own terminal, then tools/credentials/open_credential_terminal.sh claude-oauth-token and type replace at the hidden prompt; revoke the old token in the Claude account settings.",
       "notes": "Added 2026-09-30 (docs/decisions/2026-09-29-key-management.md). Until the file exists the token is held only in the kernel keyring as claude-oauth-token and is lost at a kernel restart. Also listed in must_not_be_set: exported in a shell it would override every Claude Code session's native sign-in, so inject it per command only through credential_run.py. Native sign-in remains separate."
     },
+    {
+      "id": "anthropic-api",
+      "label": "Anthropic Claude API key for local tools without an identity provider",
+      "class": "provider_api_key",
+      "status": "optional",
+      "lane": "foundation",
+      "store": {
+        "kind": "private_env_file",
+        "path_template": "${XDG_CONFIG_HOME:-$HOME/.config}/native-agent-stack/anthropic-api.env"
+      },
+      "variables": [
+        "ANTHROPIC_API_KEY"
+      ],
+      "optional_variables": [],
+      "pointer_variables": [],
+      "loaders": [
+        "tools/credentials/credential_run.py anthropic-api -- <command>"
+      ],
+      "environment_only_consumers": [
+        "promptfoo anthropic: providers (read ANTHROPIC_API_KEY)",
+        "Claude Agent SDK workers (anthropics/claude-agent-sdk-python reads ANTHROPIC_API_KEY)"
+      ],
+      "rotation": "Create a new key at https://platform.claude.com/settings/keys, run tools/credentials/open_credential_terminal.sh anthropic-api and type replace at the hidden prompt, then delete the old key in the Console.",
+      "notes": "Added 2026-10-08 on the owner's direction: one Console API key, in a dedicated workspace with a spend limit, for local tools that have no identity provider (Anthropic's Console guidance). GitHub Actions use Anthropic workload identity federation through claude-code-action v1's federation inputs instead, so no Anthropic key is stored in GitHub. ANTHROPIC_API_KEY stays in must_not_be_set: exported in a shell it would override every Claude Code session's native sign-in, so it is injected per command only through credential_run.py."
+    },
     {
       "id": "grafana-admin",
       "label": "Local Grafana admin account and secret key (self-generated)",
diff --git a/manifests/evidence.json b/manifests/evidence.json
index 48a1e0215..2bc9c07ec 100644
--- a/manifests/evidence.json
+++ b/manifests/evidence.json
@@ -5036,8 +5036,8 @@
     },
     {
       "path": "adoption/credential-inventory.json",
-      "sha256": "6e1e50f3ad647859915eefa64835ff4c43767bf8abec104b5d30f47895cef097",
-      "bytes": 24095
+      "sha256": "2115b56acbcbf6268ae98ef9aef49325d3b9ebdefc67225393e5ccceca708266",
+      "bytes": 25686
     },
     {
       "path": "adoption/hardware-profiles.json",
@@ -56047,8 +56047,8 @@
     },
     {
       "path": "tests/test_credential_run.py",
-      "sha256": "d65c6551a7070b225179ac73316998081857c0f1e256a8e6f39ded12cd587757",
-      "bytes": 128507
+      "sha256": "3cb959529bb6b26848e66cbc60de9560820964f78430df44027246b1b54d8338",
+      "bytes": 128524
     },
     {
       "path": "tests/test_credential_status.py",
diff --git a/tests/test_credential_run.py b/tests/test_credential_run.py
index 0bfb59bc4..99b17584b 100644
--- a/tests/test_credential_run.py
+++ b/tests/test_credential_run.py
@@ -37,7 +37,7 @@
 import set_credential as writer  # noqa: E402
 
 INJECTABLE_IDS = {"alpaca-paper", "alpaca-paper-2", "sec-contact", "databento", "typesafe", "omniroute", "tavily",
-                  "claude-oauth-token", "canary-e2e"}
+                  "claude-oauth-token", "canary-e2e", "anthropic-api"}
 NOT_INJECTABLE_IDS = ("grafana-admin", "nativestack-generation-key", "openhands-session", "claude-native",
                       "codex-native", "gh-native", "huggingface-native", "huggingface-native-stored", "ibkr-gateway",
                       "github-actions")