diff --git a/AGENTS.md b/AGENTS.md
index 6cc59dc6..4b092152 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -223,10 +223,11 @@ Before branch movement or edits:
 - Prefer a fresh worktree from `origin/main` for non-trivial implementation.
 
 ### Git and Forgejo Setup
-**CRITICAL**: This repository is hosted on a private **Forgejo** server, NOT GitHub.
+**CRITICAL**: This repository is hosted on a private **Forgejo** server, NOT GitHub. We are explicitly deprecating GitHub usage.
+Our sole remote and CI/CD platform is **core-gitquarters.acbcontent.org**.
 - **DO NOT** use the `gh` (GitHub) CLI.
 - **DO NOT** attempt to push, pull, or clone from `github.com`.
-- **USE** the `tea` CLI (Gitea/Forgejo CLI) for issues, PRs, and repository management.
+- **USE** the `tea` CLI (Gitea/Forgejo CLI) for issues, PRs, and repository management targeting `core-gitquarters.acbcontent.org`.
 - **USE** the provided Forgejo MCP tools if available.
 
 ### Pre-Edit Sweep & Versor Coherence Guardian Protocol
diff --git a/CLAUDE.md b/CLAUDE.md
index 6161963c..2e2bf70c 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -6,6 +6,7 @@ conflicts with `AGENTS.md`, follow `AGENTS.md`.
 Claude-specific startup: read `AGENTS.md`, read
 `docs/specs/runtime_contracts.md`, inspect the working tree, then use the
 smallest validation lane that proves the change.
+**CRITICAL**: Our remote and CI/CD platform is `core-gitquarters.acbcontent.org`. We are deprecating GitHub usage.
 
 Before any non-trivial edit, apply the Reasoning and Problem-Solving
 Discipline protocol in `AGENTS.md`.
diff --git a/GEMINI.md b/GEMINI.md
index 1a03a4d2..addc718f 100644
--- a/GEMINI.md
+++ b/GEMINI.md
@@ -6,6 +6,7 @@ conflicts with `AGENTS.md`, follow `AGENTS.md`.
 Gemini-specific startup: read `AGENTS.md`, read
 `docs/specs/runtime_contracts.md`, inspect the working tree, then use the
 smallest validation lane that proves the change.
+**CRITICAL**: Our remote and CI/CD platform is `core-gitquarters.acbcontent.org`. We are deprecating GitHub usage.
 
 Before any non-trivial edit, apply the Reasoning and Problem-Solving
 Discipline protocol in `AGENTS.md`.