ai-demo: Skill for Claude Code

.agents/skills/mate-symfony-request-triage/SKILL.md

mate-symfony-request-triage is a skill for Claude Code, Codex from symfony/ai-demo. It costs 84 tokens per session (367 once invoked), scanned A, original, MIT.

A first-step guide for investigating a failed Symfony web request. It decides whether to use the Symfony profiler, application logs, or service inspection; the profiler is Symfony's record of one request's errors, queries, and timing.

In plain words
What is it for?
Use it to route request problems to profiler debugging, log investigation, or dependency-injection inspection.
Why use it?
It prevents starting with the wrong diagnostic source. It separates one-request failures from wiring problems and issues that require trends across many requests.

Skill for Claude CodeCodex ✓ vendor

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is symfony/ai-demo's own configuration. It tells Claude Code and Codex how to work on ai-demo itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ai-demo configures →

About the project

Symfony AI Demo is a Symfony application that demonstrates AI components through a chatbot using OpenAI language and embedding models, with PostgreSQL and pgvector storing contextual embeddings. Developers use it to explore a Symfony-based AI application and its setup.

symfony/ai-demo · 48 stars · on GitHub · symfony.com

Reuse

Borrowing it

Nothing to install: this file belongs to symfony/ai-demo. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/symfony/ai-demo/main/.agents/skills/mate-symfony-request-triage/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/symfony/ai-demo

Made for: Claude Code, Codex.

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README.md
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Per session 84 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 367 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00084 $0.00367
Opus 5.5 $0.00034 $0.00147
Sonnet 5.5 $0.00017 $0.00073
Haiku 4.5 $0.00008 $0.00037

Measured 1mo ago against content hash c526cabe10d1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mate-symfony-request-triage scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.agents/skills/mate-symfony-request-triage/SKILL.md · 19 lines

What it actually says

Request triage

One decision: where to start. Make it with one call, then hand off.

  1. Is it a wiring symptom, not a runtime one? "Service not found", wrong implementation injected, a tag/listener that never fires, a decorator that does nothing. These never reach a request cleanly. Go straight to service inspection.

  2. Otherwise probe for a profile: vendor/bin/mate tools:call symfony-profiler-list --limit=1 (or --url=<path> / --statusCode=500 if you know them).

    • A profile matching the request exists: use profiler debugging. It pins one request to its exception, queries, and timing, which the logs cannot.
    • No profiles (profiler off, or prod): use log investigation. Also the right tool when the question is about time or frequency ("when did this start", "how often"), not one request.
  3. Not sure it is even one request, or it spans many (a user's whole session, a recurring error): use log investigation and pivot on a context field.

The profiler is the sharper instrument but exists only where it is enabled and only until storage is cleared. Logs are always there but cannot isolate a single request the way a profile can. When both exist, start with the profile and drop to logs for history.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 19 lines · 84 tokens per session scan A c526cabe10d1

Subscribe to this mod's changes

mate-symfony-request-triage is a skill published in the GitHub repository symfony/ai-demo (48 stars, last pushed 2d ago), licensed MIT. It adds 84 tokens to every session and 367 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-25.