diff --git a/.githooks/pre-commit b/.githooks/pre-commit
new file mode 100755
index 0000000..4b7d20e
--- /dev/null
+++ b/.githooks/pre-commit
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+repo_root="$(git rev-parse --show-toplevel)"
+
+"$repo_root/scripts/pre-commit.sh"
diff --git a/.github/agents/commiter.agent.md b/.github/agents/commiter.agent.md
new file mode 100644
index 0000000..1224ba7
--- /dev/null
+++ b/.github/agents/commiter.agent.md
@@ -0,0 +1,50 @@
+---
+name: Committer
+description: Proactive commit specialist for this repository. Use when asked to commit, prepare a commit, review staged changes before committing, write a commit message, run pre-commit checks, or create a signed Conventional Commit.
+argument-hint: Describe what should be committed, any files to exclude, and whether the changes are already staged.
+tools: [execute, read, search, edit, todo]
+model: GPT-5 (copilot)
+user-invocable: true
+disable-model-invocation: false
+---
+
+You are the repository's commit specialist. Your job is to prepare safe, clean,
+and reviewable commits for the current branch.
+
+Treat every commit request as a review-and-verify workflow, not as a blind
+request to run `git commit`.
+
+## Repository Rules
+
+- Follow `AGENTS.md` for repository-wide behavior and `.github/skills/commit/skill.md` for commit-specific reference details.
+- The pre-commit validation command is `./scripts/pre-commit.sh`.
+- Create GPG-signed Conventional Commits.
+
+## Required Workflow
+
+1. Read the current branch, `git status`, and the staged or unstaged diff relevant to the request.
+2. Summarize the intended commit scope before taking action.
+3. Ensure the commit scope is coherent and does not accidentally mix unrelated changes.
+4. Run `./scripts/pre-commit.sh` when feasible and fix issues that are directly related to the requested commit scope.
+5. Propose a precise Conventional Commit message.
+6. Create the commit with `git commit -S` only after the scope is clear and blockers are resolved.
+7. After committing, run a quick verification check and report the resulting commit summary.
+
+## Constraints
+
+- Do not write code.
+- Do not bypass failing checks without explicitly telling the user what failed.
+- Do not rewrite or revert unrelated user changes.
+- Do not create empty, vague, or non-conventional commit messages.
+- Do not commit secrets, backup junk, or accidental files.
+
+## Output Format
+
+When handling a commit task, respond in this order:
+
+1. Commit scope summary
+2. Blockers, anomalies, or risks
+3. Checks run and results
+4. Proposed commit message
+5. Commit status
+6. Post-commit verification
diff --git a/.github/skills/commit/skill.md b/.github/skills/commit/skill.md
index 04629cb..f175527 100644
--- a/.github/skills/commit/skill.md
+++ b/.github/skills/commit/skill.md
@@ -23,17 +23,27 @@ Also requires: Node.js ≥ 20, `yamllint`, and `shellcheck` available on `$PATH`
 ## Run Linters Before Committing
 
 ```sh
-./scripts/lint.sh
+./scripts/pre-commit.sh
 ```
 
-This runs markdown, YAML, spell check, and shell script linters in sequence.
-Stops on first failure.
+This is the pre-commit entry point and currently delegates to `./scripts/lint.sh`.
+It runs markdown, YAML, spell check, and shell script linters in sequence and
+stops on first failure.
+
+The repository also provides a tracked Git hook at `.githooks/pre-commit`.
+Enable it locally with:
+
+```sh
+git config core.hooksPath .githooks
+```
 
 Fix all reported issues before committing. Add any new project-specific words to
 `project-words.txt` (one word per line).
 
 ## Commit Message Format
 
+All commits must be GPG-signed.
+
 Follow [Conventional Commits](https://www.conventionalcommits.org/):
 
 ```text
diff --git a/AGENTS.md b/AGENTS.md
index 68e2c35..2e630b2 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -44,10 +44,28 @@ recovery and sharing purposes.
 
 ## Code Conventions
 
+## Mutual Support And Proactivity
+
+These rules apply repository-wide to every assistant, including custom agents.
+
+When acting as an assistant in this repository:
+
+- Do not flatter the user or agree with weak ideas by default.
+- Push back when a request, diff, or proposed commit looks wrong.
+- Flag unclear but important points before they become problems.
+- Ask a clarifying question instead of making a random choice when the decision matters.
+- Call out likely misses such as naming inconsistencies, accidental generated files,
+  staged-versus-unstaged mismatches, missing docs updates, or suspicious commit scope.
+
+When raising a likely mistake or blocker, say so clearly and early instead of
+burying it after routine status updates.
+
 ### Commit Messages
 
 Use [Conventional Commits](https://www.conventionalcommits.org/):
 
+- All commits must be GPG-signed.
+
 - `feat:` — new features or configuration
 - `fix:` — bug fixes
 - `docs:` — documentation-only changes
@@ -80,13 +98,32 @@ Format:
 ### Linting Summary
 
 - The canonical lint entry point is `./scripts/lint.sh`.
+- The pre-commit entry point is `./scripts/pre-commit.sh`.
+- The repository includes a tracked Git hook at `.githooks/pre-commit` that runs the pre-commit script.
+- Enable tracked hooks locally with `git config core.hooksPath .githooks`.
 - Install the wrapper with `cargo install torrust-linting --locked`.
 - Install `yamllint` and `shellcheck` on `$PATH` before running the script.
 - If npm install steps fail with `EACCES`, use a user-local npm prefix.
 - See [docs/linting.md](docs/linting.md) for installation and troubleshooting.
 
+### Commit Review Expectations
+
+Before creating a commit, review the diff like a skeptical reviewer, not a blind
+operator.
+
+- Read `git status` and the relevant `git diff` first.
+- Look for unusual states such as a file being staged and also deleted, mixed
+  unrelated changes, or files that do not fit repository naming patterns.
+- Prefer stopping to clarify an anomaly over committing something ambiguous.
+- If documentation, spelling word lists, or ignore rules should change with the
+  diff, call that out before committing.
+- Use `./scripts/pre-commit.sh` as the commit-time validation command.
+
+After creating a commit, verify the result with a short `git status` check and
+briefly summarize what was committed.
+
 ## Pull Request Guidelines
 
 - Title must follow the Conventional Commits format: `<type>[scope]: <description>`
-- Run `./scripts/lint.sh` before opening a PR.
+- Run `./scripts/pre-commit.sh` before opening a PR.
 - Reference related issues in the PR body using `Refs: #<issue>`.
diff --git a/docs/linting.md b/docs/linting.md
index d10ed26..667ef83 100644
--- a/docs/linting.md
+++ b/docs/linting.md
@@ -14,6 +14,30 @@ Run all linters with:
 This is the preferred command for local validation before committing or opening
 a pull request.
 
+## Pre-commit Script
+
+The repository also provides a pre-commit wrapper:
+
+```sh
+./scripts/pre-commit.sh
+```
+
+For now this script delegates directly to `./scripts/lint.sh`.
+
+## Git Pre-commit Hook
+
+A tracked Git hook is included at `.githooks/pre-commit` and runs
+`./scripts/pre-commit.sh` automatically before `git commit`.
+
+Enable the tracked hooks once per local clone:
+
+```sh
+git config core.hooksPath .githooks
+```
+
+After that, `git commit` will execute the repository's pre-commit checks
+automatically.
+
 The script runs these linters in order:
 
 ```sh
@@ -73,7 +97,7 @@ Run this before committing:
 ```sh
 export NPM_CONFIG_PREFIX="$HOME/.local"
 export PATH="$HOME/.local/bin:$PATH"
-./scripts/lint.sh
+./scripts/pre-commit.sh
 ```
 
 If the script passes, the repository is clean for Markdown, YAML, spelling, and
@@ -167,6 +191,8 @@ Use spaces for wrapped list items and paragraph continuations.
 ## Files Involved
 
 - [scripts/lint.sh](../scripts/lint.sh)
+- [scripts/pre-commit.sh](../scripts/pre-commit.sh)
+- [.githooks/pre-commit](../.githooks/pre-commit)
 - [project-words.txt](../project-words.txt)
 - [cspell.json](../cspell.json)
 - [.markdownlint.json](../.markdownlint.json)
@@ -175,6 +201,7 @@ Use spaces for wrapped list items and paragraph continuations.
 ## Notes
 
 - `./scripts/lint.sh` is the canonical repository command.
+- `./scripts/pre-commit.sh` is the hook-friendly entry point for commit-time checks.
 - If you document new product names, services, or command tokens, update
   `project-words.txt` as part of the same change.
 - Run the full script again after fixing targeted issues to ensure the complete
diff --git a/scripts/pre-commit.sh b/scripts/pre-commit.sh
new file mode 100755
index 0000000..34f9ed8
--- /dev/null
+++ b/scripts/pre-commit.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+"$script_dir/lint.sh"