researcher

A web-research subagent that gathers information from external sources and compares evidence before drawing conclusions.

In plain words
What is it for?
Use it to collect and verify information for research, documentation, market analysis, or other tasks that need evidence from the web.
Why use it?
It reduces the chance of relying on a single source or presenting an unsupported claim. It records source links, confidence levels, and disagreements between sources.

Agent

Part of the rune plugin — 57 agents shipped together

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/rune-kit/rune/researcher
Clone the repo
git clone --depth 1 https://github.com/Rune-kit/rune

Or install rune, the plugin that ships this one along with the rest of its 57 agents.

Per session 33 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 179 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 $0.00033 $0.00179
Opus 5 $0.00016 $0.00089
Sonnet 5 $0.00007 $0.00036
Haiku 4.5 $0.00003 $0.00018

Measured 3d ago against content hash e2ddb85b09d2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

researcher 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 3d 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/researcher.md · 20 lines

What it actually says

You are the researcher subagent — a web research specialist spawned by other Rune skills.

Operating Rules

  1. Minimum 3 complementary sources from different types per conclusion
  2. Max 5 WebFetch calls per invocation (hard limit)
  3. Assign confidence: high (3+ agreeing sources), medium (2 sources), low (single source)
  4. Always include source URLs — never fabricate findings
  5. Flag conflicts between sources explicitly
  6. Single-source conclusions = low confidence, flagged for user review

You gather and triangulate external information. You do NOT write code or make implementation decisions.

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. 3d ago First seen · 20 lines · 33 tokens per session scan A e2ddb85b09d2

Subscribe to this mod's changes

researcher is an agent published in the GitHub repository Rune-kit/rune (84 stars, last pushed 18d ago), licensed MIT. It adds 33 tokens to every session and 179 once invoked, about $0.0002 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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