diff --git a/Cargo.lock b/Cargo.lock
index a226cf1..193c03f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1690,7 +1690,7 @@ checksum = "9e1c906769ad99c88eaa54e728060edef082f8e358ff32030cb7c7d315e81109"
 
 [[package]]
 name = "tree-ring-memory-cli"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "chrono",
  "clap",
@@ -1709,7 +1709,7 @@ dependencies = [
 
 [[package]]
 name = "tree-ring-memory-core"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "chrono",
  "libc",
@@ -1725,7 +1725,7 @@ dependencies = [
 
 [[package]]
 name = "tree-ring-memory-sqlite"
-version = "0.15.0"
+version = "0.15.1"
 dependencies = [
  "rusqlite",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index adad624..b66eabe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.15.0"
+version = "0.15.1"
 edition = "2021"
 license = "MIT"
 authors = ["TerminallyLazy"]
diff --git a/README.md b/README.md
index fa71948..8b73908 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ framework-agnostic and does not replace either protocol.
 Tree Ring Memory is in protocol-preview status. Current launch links:
 
 - Launch page: <https://terminallylazy.github.io/Tree-Ring-Memory/>
-- Launch release: <https://github.com/TerminallyLazy/Tree-Ring-Memory/releases/tag/v0.15.0>
+- Launch release: <https://github.com/TerminallyLazy/Tree-Ring-Memory/releases/tag/v0.15.1>
 - Launch discussion: <https://github.com/TerminallyLazy/Tree-Ring-Memory/discussions/27>
 - Rust-native CLI article: <https://terminallylazy.github.io/Tree-Ring-Memory/launch/rust-native-agent-memory-cli.md>
 - Feedback issue: <https://github.com/TerminallyLazy/Tree-Ring-Memory/issues/26>
@@ -259,8 +259,8 @@ sh install.sh --project --init --release latest
 sh install.sh --global --install-dir "$HOME/.local"
 sh install.sh --no-animation  # stable output; kept for explicit script usage
 sh install.sh --no-path-update
-sh install.sh --release 0.15.0
-sh install.sh --archive-url https://example/tree-ring-memory-0.15.0-darwin-arm64.tar.gz --archive-sha256 <sha256>
+sh install.sh --release 0.15.1
+sh install.sh --archive-url https://example/tree-ring-memory-0.15.1-darwin-arm64.tar.gz --archive-sha256 <sha256>
 ```
 
 After install, rerun onboarding anytime:
diff --git a/crates/tree-ring-memory-cli/Cargo.toml b/crates/tree-ring-memory-cli/Cargo.toml
index dd7ff18..f053371 100644
--- a/crates/tree-ring-memory-cli/Cargo.toml
+++ b/crates/tree-ring-memory-cli/Cargo.toml
@@ -26,8 +26,8 @@ semver.workspace = true
 sha2.workspace = true
 tempfile.workspace = true
 uuid.workspace = true
-tree-ring-memory-core = { path = "../tree-ring-memory-core", version = "0.15.0" }
-tree-ring-memory-sqlite = { path = "../tree-ring-memory-sqlite", version = "0.15.0" }
+tree-ring-memory-core = { path = "../tree-ring-memory-core", version = "0.15.1" }
+tree-ring-memory-sqlite = { path = "../tree-ring-memory-sqlite", version = "0.15.1" }
 
 [dev-dependencies]
 rusqlite.workspace = true
diff --git a/crates/tree-ring-memory-cli/src/agent_awareness.rs b/crates/tree-ring-memory-cli/src/agent_awareness.rs
index 59b8200..6b895c2 100644
--- a/crates/tree-ring-memory-cli/src/agent_awareness.rs
+++ b/crates/tree-ring-memory-cli/src/agent_awareness.rs
@@ -59,7 +59,7 @@ Runtime bootstrap and updates:
 
 - Resolve the real project root before initialization. Never initialize a plugin cache, package directory, home directory, or incidental working directory.
 - Prefer `<project-root>/.tree-ring/bin/tree-ring` when present; otherwise use the active `tree-ring` on `PATH`.
-- With existing user authorization for setup, install the verified project-local release from the project root with `curl -fsSL https://raw.githubusercontent.com/TerminallyLazy/Tree-Ring-Memory/main/install.sh | sh -s -- --project --init --release latest --no-animation`. Otherwise obtain permission before downloading or installing software.
+- With existing user authorization for setup, download the official version-pinned `v0.15.0/install.sh` installer to a temporary file, verify its SHA-256 is `ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade`, inspect it, and run `sh <verified-installer-path> --project --init --release latest --no-animation` from the project root. Never pipe a network response directly to a shell. Otherwise obtain permission before downloading or installing software.
 - Use `tree-ring --root .tree-ring init` for a global CLI or `.tree-ring/bin/tree-ring --root .tree-ring init` for a project-local CLI. Verify that `memory.sqlite`, `AGENTS.md`, `SKILL.md`, and `CLI.md` are under the intended project.
 - `tree-ring update --check` is read-only. Run `tree-ring update` only with update authorization; it preserves the active installation scope and verifies official release assets. Re-run project initialization afterward to backfill managed guidance.
 - A pre-0.15 CLI must be upgraded with its existing package manager or install prefix. Check `command -v tree-ring` and `which -a tree-ring` so an old binary does not shadow the update.
@@ -400,13 +400,18 @@ working directory. Prefer `{root}/bin/tree-ring` when it exists; otherwise use
 the active `tree-ring` on `PATH`.
 
 If the CLI is absent and the user's request already authorizes Tree Ring setup,
-install the official verified project-local release from the real project root:
+download the official version-pinned `v0.15.0/install.sh` installer to a
+temporary file, verify its SHA-256 is
+`ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade`, inspect
+it, and run it from the real project root:
 
 ```bash
-curl -fsSL https://raw.githubusercontent.com/TerminallyLazy/Tree-Ring-Memory/main/install.sh | sh -s -- --project --init --release latest --no-animation
+sh <verified-installer-path> --project --init --release latest --no-animation
 ```
 
-Otherwise obtain permission before downloading or installing software. Run
+Never pipe a network response directly to a shell. The installer verifies the
+selected release archive against its published SHA-256. Otherwise obtain
+permission before downloading or installing software. Run
 `tree-ring --root {root} init` for a global CLI or `{root}/bin/tree-ring --root
 {root} init` for a project-local CLI. Verify all generated files remain under
 the intended root, then inspect `integrations status` with the same executable.
@@ -711,6 +716,10 @@ mod tests {
                     || content.contains("Runtime bootstrap and updates:")
             );
             assert!(content.contains("--project --init --release latest --no-animation"));
+            assert!(content
+                .contains("ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade"));
+            assert!(content.contains("pipe a network response directly to a shell"));
+            assert!(!content.contains("main/install.sh | sh"));
             assert!(content.contains("tree-ring update --check"));
             assert!(content.contains("project root"));
             assert!(content.contains("shadow"));
diff --git a/crates/tree-ring-memory-sqlite/Cargo.toml b/crates/tree-ring-memory-sqlite/Cargo.toml
index 995b535..1e93d5f 100644
--- a/crates/tree-ring-memory-sqlite/Cargo.toml
+++ b/crates/tree-ring-memory-sqlite/Cargo.toml
@@ -16,7 +16,7 @@ rusqlite.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 sha2.workspace = true
-tree-ring-memory-core = { path = "../tree-ring-memory-core", version = "0.15.0" }
+tree-ring-memory-core = { path = "../tree-ring-memory-core", version = "0.15.1" }
 uuid.workspace = true
 
 [dev-dependencies]
diff --git a/docs/integrations/agent-skill.md b/docs/integrations/agent-skill.md
index f0cdf96..2553eec 100644
--- a/docs/integrations/agent-skill.md
+++ b/docs/integrations/agent-skill.md
@@ -54,15 +54,19 @@ agents to encounter Tree Ring Memory instructions before entering `.tree-ring/`.
 ## Runtime Bootstrap And Updates
 
 Agents must resolve the real project root before setup. If the user has already
-authorized Tree Ring installation, the safe default is the verified
-project-local release installer, run from that root:
+authorized Tree Ring installation, download the official version-pinned
+`v0.15.0/install.sh` installer to a temporary file, verify its SHA-256 is
+`ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade`, inspect
+it, and only then run it from that root:
 
 ```bash
-curl -fsSL https://raw.githubusercontent.com/TerminallyLazy/Tree-Ring-Memory/main/install.sh | sh -s -- --project --init --release latest --no-animation
+sh <verified-installer-path> --project --init --release latest --no-animation
 ```
 
-Without existing setup authorization, the agent should explain that exact
-operation and ask before downloading or installing software. It must not
+Agents must not pipe a network response directly to a shell; the installer
+verifies the selected release archive against its published SHA-256. Without
+existing setup authorization, the agent should explain that exact operation
+and ask before downloading or installing software. It must not
 initialize a plugin cache, package directory, home directory, or unrelated
 working directory. Existing project-local installs should use
 `.tree-ring/bin/tree-ring --root .tree-ring init`; global installs should use
diff --git a/docs/press-kit.md b/docs/press-kit.md
index b0f9e8a..a4dcc26 100644
--- a/docs/press-kit.md
+++ b/docs/press-kit.md
@@ -23,10 +23,10 @@ DOX/Revolve adapters, framework discovery, and a terminal TUI.
 - Category: AI agents, developer tools, local-first software, Rust CLI
 - License: MIT
 - Status: protocol-preview
-- Current version: 0.15.0
+- Current version: 0.15.1
 - Website: <https://terminallylazy.github.io/Tree-Ring-Memory/>
 - Repository: <https://github.com/TerminallyLazy/Tree-Ring-Memory>
-- Launch release: <https://github.com/TerminallyLazy/Tree-Ring-Memory/releases/tag/v0.15.0>
+- Launch release: <https://github.com/TerminallyLazy/Tree-Ring-Memory/releases/tag/v0.15.1>
 - Launch discussion: <https://github.com/TerminallyLazy/Tree-Ring-Memory/discussions/27>
 - Homebrew tap: <https://github.com/TerminallyLazy/homebrew-tree-ring>
 - Feedback: <https://github.com/TerminallyLazy/Tree-Ring-Memory/issues/26>
diff --git a/marketing/README.md b/marketing/README.md
index 8fe5bdc..7943726 100644
--- a/marketing/README.md
+++ b/marketing/README.md
@@ -309,7 +309,7 @@ python3 marketing/scripts/build-campaign-cards.py
 
 - Repository: `https://github.com/TerminallyLazy/Tree-Ring-Memory`
 - Launch page: `https://terminallylazy.github.io/Tree-Ring-Memory/`
-- Launch release: `https://github.com/TerminallyLazy/Tree-Ring-Memory/releases/tag/v0.15.0`
+- Launch release: `https://github.com/TerminallyLazy/Tree-Ring-Memory/releases/tag/v0.15.1`
 - Launch discussion: `https://github.com/TerminallyLazy/Tree-Ring-Memory/discussions/27`
 - Homebrew tap: `https://github.com/TerminallyLazy/homebrew-tree-ring`
 - Agent-Skills.md main repo listing:
diff --git a/plugins/tree-ring-memory/README.md b/plugins/tree-ring-memory/README.md
index b07930f..c77177f 100644
--- a/plugins/tree-ring-memory/README.md
+++ b/plugins/tree-ring-memory/README.md
@@ -17,11 +17,18 @@ privacy-safe memory action is warranted.
 The safe default is a verified project-local install. From the actual project
 root, after the user has authorized Tree Ring setup:
 
+Download the official version-pinned `v0.15.0/install.sh` to a temporary file,
+verify its SHA-256 is
+`ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade`, inspect
+it, then run these commands from the project root:
+
 ```bash
-curl -fsSL https://raw.githubusercontent.com/TerminallyLazy/Tree-Ring-Memory/main/install.sh | sh -s -- --project --init --release latest --no-animation
+sh <verified-installer-path> --project --init --release latest --no-animation
 .tree-ring/bin/tree-ring --root .tree-ring integrations status --verbose
 ```
 
+Do not pipe a network response directly to a shell.
+
 The installer downloads the official platform release and verifies its SHA-256
 asset. A global Homebrew install remains available on macOS ARM64 through
 `brew install tree-ring`. Agents may proceed when the user's request already
diff --git a/plugins/tree-ring-memory/skills/tree-ring-memory/SKILL.md b/plugins/tree-ring-memory/skills/tree-ring-memory/SKILL.md
index f59704d..9a82aa4 100644
--- a/plugins/tree-ring-memory/skills/tree-ring-memory/SKILL.md
+++ b/plugins/tree-ring-memory/skills/tree-ring-memory/SKILL.md
@@ -3,7 +3,7 @@ name: tree-ring-memory
 description: Guides AI agents in using Tree Ring Memory for durable recall, project decisions, user preferences, warnings, future seeds, privacy-safe memory capture, and lifecycle-aware forgetting.
 license: MIT
 metadata:
-  version: "0.15.0"
+  version: "0.15.1"
   tags: "memory, agents, recall, privacy, projects, dox, revolve, skills, cli"
   triggers: "remember this; recall what we decided; what did we learn; tree ring memory; consolidate memory; forget this; project memory; sync DOX; sync Revolve; evidence loop; multi-agent memory"
 ---
@@ -35,13 +35,21 @@ working directory by accident.
    CLI is available and the user's request already authorizes Tree Ring setup,
    install the verified current release project-locally from the project root.
    Otherwise explain the exact operation and obtain permission before the
-   network download or software installation:
+   network download or software installation. Download the official,
+   version-pinned `v0.15.0/install.sh` installer to a temporary file, verify its
+   SHA-256 is
+   `ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade`,
+   inspect it, and only then run:
 
    ```bash
    cd <project-root>
-   curl -fsSL https://raw.githubusercontent.com/TerminallyLazy/Tree-Ring-Memory/main/install.sh | sh -s -- --project --init --release latest --no-animation
+   sh <verified-installer-path> --project --init --release latest --no-animation
    ```
 
+   Do not pipe a network response directly to a shell. The installer verifies
+   the selected release archive against its published SHA-256 before placing
+   the binary at `<project-root>/.tree-ring/bin/tree-ring`.
+
 4. For an existing global CLI, initialize from the project root with
    `tree-ring --root .tree-ring init`. For a project-local CLI, use
    `.tree-ring/bin/tree-ring --root .tree-ring init`. This must place
diff --git a/skills/tree-ring-memory/SKILL.md b/skills/tree-ring-memory/SKILL.md
index 98c8ed6..19c8728 100644
--- a/skills/tree-ring-memory/SKILL.md
+++ b/skills/tree-ring-memory/SKILL.md
@@ -3,7 +3,7 @@ name: tree-ring-memory
 description: Guides AI agents in using Tree Ring Memory for durable recall, project decisions, user preferences, warnings, future seeds, privacy-safe memory capture, and lifecycle-aware forgetting.
 license: MIT
 metadata:
-  version: "0.15.0"
+  version: "0.15.1"
   tags: "memory, agents, recall, privacy, projects, dox, revolve, skills, cli"
   triggers: "remember this; recall what we decided; what did we learn; tree ring memory; consolidate memory; forget this; project memory; sync DOX; sync Revolve; evidence loop; multi-agent memory"
 ---
@@ -34,13 +34,21 @@ working directory by accident.
 3. If no CLI is available and the user's request already authorizes Tree Ring
    setup, install the verified current release project-locally from the project
    root. Otherwise explain the exact operation and obtain permission before the
-   network download or software installation:
+   network download or software installation. Download the official,
+   version-pinned `v0.15.0/install.sh` installer to a temporary file, verify its
+   SHA-256 is
+   `ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade`,
+   inspect it, and only then run:
 
    ```bash
    cd <project-root>
-   curl -fsSL https://raw.githubusercontent.com/TerminallyLazy/Tree-Ring-Memory/main/install.sh | sh -s -- --project --init --release latest --no-animation
+   sh <verified-installer-path> --project --init --release latest --no-animation
    ```
 
+   Do not pipe a network response directly to a shell. The installer verifies
+   the selected release archive against its published SHA-256 before placing
+   the binary at `<project-root>/.tree-ring/bin/tree-ring`.
+
 4. For an existing global CLI, initialize from the project root with
    `tree-ring --root .tree-ring init`. For a project-local CLI, use
    `.tree-ring/bin/tree-ring --root .tree-ring init`. This must place
diff --git a/templates/dox/AGENTS.md b/templates/dox/AGENTS.md
index d98910a..c91929f 100644
--- a/templates/dox/AGENTS.md
+++ b/templates/dox/AGENTS.md
@@ -30,18 +30,23 @@ plugin cache, package directory, home directory, or incidental working
 directory. Prefer `<project-root>/.tree-ring/bin/tree-ring` when it exists;
 otherwise use the active `tree-ring` on `PATH`.
 
-When no CLI exists and the user's request already authorizes setup, run the
-official verified-release installer from the project root:
+When no CLI exists and the user's request already authorizes setup, download
+the official version-pinned `v0.15.0/install.sh` installer to a temporary file,
+verify its SHA-256 is
+`ef0d5eb8f09cbe2e4c3abe80ee9a98a56759c89ad4ddd103d6c68314cd653ade`,
+inspect it, and only then run it from the project root:
 
 ```bash
-curl -fsSL https://raw.githubusercontent.com/TerminallyLazy/Tree-Ring-Memory/main/install.sh | sh -s -- --project --init --release latest --no-animation
+sh <verified-installer-path> --project --init --release latest --no-animation
 ```
 
-Otherwise obtain permission before downloading or installing software. A
-global CLI initializes with `tree-ring --root .tree-ring init`; a project-local
-CLI initializes with `.tree-ring/bin/tree-ring --root .tree-ring init`. Verify
-that the generated files and `memory.sqlite` are under the intended project's
-`.tree-ring/`, then run `integrations status` with the same binary and root.
+Do not pipe a network response directly to a shell. The installer verifies the
+selected release archive against its published SHA-256. Otherwise obtain
+permission before downloading or installing software. A global CLI initializes
+with `tree-ring --root .tree-ring init`; a project-local CLI initializes with
+`.tree-ring/bin/tree-ring --root .tree-ring init`. Verify that the generated
+files and `memory.sqlite` are under the intended project's `.tree-ring/`, then
+run `integrations status` with the same binary and root.
 
 Use `tree-ring update --check` for a read-only release check and, only after
 update authorization, `tree-ring update`. Preserve the current manager and