synax-explore

A read-only codebase investigation method that starts with a project wiki and then checks the actual source files.

In plain words
What is it for?
Use it to find where a feature works, understand a module's behavior, or answer architecture questions with evidence.
Why use it?
It helps you understand an unfamiliar repository without guessing or changing code. It also keeps the explanation tied to documented sections and file paths.

Skill for Claude CodeCodex

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 skills/coldmint9/synax/synax-explore
Any agent
npx skills add coldmint9/Synax --skill synax-explore
Clone the repo
git clone --depth 1 https://github.com/coldmint9/Synax

Made for: Claude Code, Codex.

Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 188 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00023 $0.00188
Opus 5 $0.00012 $0.00094
Sonnet 5 $0.00005 $0.00038
Haiku 4.5 $0.00002 $0.00019

Measured 2d ago against content hash de7fa0bcbe7d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

synax-explore 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 2d 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.

api/skills/builtin/synax-explore/SKILL.md · 29 lines

What it actually says

Synax Explore

Investigate architecture and behavior without making edits.

When to use

  • The user asks how something works, where logic lives, or what a module does.
  • You need navigation help across an unfamiliar repository.

Instructions

  1. Start with wiki search and document reads when wiki coverage exists.
  2. Use read-only file, glob, list, grep, and diff tools for implementation evidence.
  3. Summarize with cited wiki sections and file paths.
  4. Do not propose edits unless the user explicitly asks to implement changes.

Output

Lead with a direct answer, then list the most important evidence references.

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. 2d ago First seen · 29 lines · 23 tokens per session scan A de7fa0bcbe7d

Subscribe to this mod's changes

synax-explore is a skill published in the GitHub repository coldmint9/Synax (11 stars, last pushed 19d ago), licensed MIT. It adds 23 tokens to every session and 188 once invoked, about $0.0001 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 2026-08-30.

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