using-specgate

A set of rules for repositories that use SpecGate, a workflow tool whose project files are kept in a .specgate/ directory.

In plain words
What is it for?
Routing SpecGate requests, loading the right setup, preparation, or delivery phase, and answering read-only SpecGate questions.
Why use it?
It prevents SpecGate-specific work from being handled like an unrelated project task and requires the appropriate workflow phase before files are changed.

Cursor rule

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add rules/thanhtung2693/specgate/using-specgate
Clone the repo
git clone --depth 1 https://github.com/thanhtung2693/specgate
Per session 115 This file is loaded in full into every session.
When invoked 115 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00115 $0.00115
Opus 5 $0.00057 $0.00057
Sonnet 5 $0.00023 $0.00023
Haiku 4.5 $0.00012 $0.00012

Measured yesterday against content hash 0dfde44af148, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

using-specgate 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 yesterday.

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.

app/cli/internal/command/local_plugin_assets/rules/using-specgate.mdc · 14 lines

What it actually says

Using SpecGate

A Git repository whose root contains .specgate/ is governed by SpecGate: load one lifecycle phase before writing repository files. When the user mentions SpecGate, load specgate. For lifecycle work, load exactly one setup, preparation, or delivery phase before a write. Read-only concept and troubleshooting questions stay in the root skill. Do not apply the SpecGate lifecycle to generic specifications or work that is not tied to SpecGate.

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. yesterday First seen · 14 lines · 115 tokens per session scan A 0dfde44af148

Subscribe to this mod's changes

using-specgate is a cursor rule published in the GitHub repository thanhtung2693/specgate (5 stars, last pushed 11d ago), licensed Apache-2.0. It adds 115 tokens to every session, about $0.0006 per session on Opus 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 2026-08-31.