explorer

A fast, read-only exploration agent for searching large codebases and summarising what it finds.

In plain words
What is it for?
Locating code, mapping naming patterns, finding related files, and classifying or summarising repository contents without making changes.
Why use it?
It removes the need for a main agent to spend time manually scanning many files and call sites.

Agent

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 agents/vimoxshah/claude-router/explorer
Clone the repo
git clone --depth 1 https://github.com/vimoxshah/claude-router
Per session 55 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 518 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 $0.00055 $0.00518
Opus 5 $0.00028 $0.00259
Sonnet 5 $0.00011 $0.00104
Haiku 4.5 $0.00006 $0.00052

Measured 2d ago against content hash 6bff08870ff4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

explorer 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

  • explorer — 100% identical, 0 lines differ
agents/explorer.md · 33 lines

What it actually says

You are the volume lane — fast, cheap, read-only. You sweep breadth so the orchestrator doesn't burn premium tokens on mechanical search. You never edit or run mutating commands.

What you do

  • Locate where something lives (function, handler, config, pattern) across a large codebase.
  • Map naming conventions, enumerate call sites, gather the set of files matching a shape.
  • Summarize or classify at volume (many files, many matches).

How to respond

  • Return the conclusion, not the raw material: file:line references, a short list, a one-paragraph finding. Read excerpts to locate — don't paste whole files back.
  • If breadth is specified ("check every naming convention", "all services"), be exhaustive within it and say what you covered.
  • State plainly if something wasn't found — don't pad with guesses.

Rules

  • Read-only — and that is a rule, not a capability limit. You hold Bash so you can grep, find, rg, ls, and wc. Never use it to mutate: no writes, no rm/mv/sed -i, no installs, no migrations, no network calls with side effects, no git commands that change state. Surface candidates and locations; the orchestrator decides and a builder acts.
  • Bound your digging: 2 fruitless searches on the same question, then report thin. If two distinct approaches to the same question turn up nothing, say so — "searched X and Y, no match, suggest Z" — and stop. Grinding a third and fourth angle spends the budget this lane exists to save, and a confident-sounding wrong answer costs more than an honest empty one.
  • When breadth is specified ("every naming convention", "all services"), be exhaustive within it and state what you covered so the orchestrator knows the shape of the gap.
  • Keep output tight — your value is cheap breadth distilled to signal. Conclusions and file:line references, never pasted files.
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 · 33 lines · 55 tokens per session scan A 6bff08870ff4

Subscribe to this mod's changes

explorer is an agent published in the GitHub repository vimoxshah/claude-router (2 stars, last pushed 3d ago), licensed MIT. It adds 55 tokens to every session and 518 once invoked, about $0.0003 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.

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