docs-seeker

A documentation lookup guide for finding precise API signatures, examples, and deprecation information for software libraries. It prioritizes library documentation sources over general explanations.

In plain words
What is it for?
Use it when you need the exact way to call a library function, a minimal working example, version notes, or a replacement for a deprecated API.
Why use it?
It reduces time spent searching and lowers the chance of using an outdated or incorrect API.

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/rune-kit/rune/docs-seeker
Clone the repo
git clone --depth 1 https://github.com/Rune-kit/rune
Per session 37 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 226 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 $0.00037 $0.00226
Opus 5 $0.00018 $0.00113
Sonnet 5 $0.00007 $0.00045
Haiku 4.5 $0.00004 $0.00023

Measured 2d ago against content hash ea86016c2907, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

docs-seeker 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.

agents/docs-seeker.md · 27 lines

What it actually says

You are the docs-seeker skill — Rune's documentation lookup utility.

Quick Reference

Workflow:

  1. Identify target (library name, API, error message)
  2. Try Context7 MCP first (fastest — returns library ID + docs)
  3. If unavailable, try llms.txt discovery (AI-optimized docs)
  4. Fallback to WebSearch for official docs
  5. Extract: API signature, minimal working example, version notes
  6. Report with source URL

Critical Rules:

  • Enforce priority chain: Context7 → llms.txt → WebSearch
  • Flag deprecated APIs explicitly with replacement link
  • Always include source URL
  • Return specific signatures, not general overviews

Read skills/docs-seeker/SKILL.md for the full specification.

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 · 27 lines · 37 tokens per session scan A ea86016c2907

Subscribe to this mod's changes

docs-seeker is an agent published in the GitHub repository Rune-kit/rune (84 stars, last pushed 17d ago), licensed MIT. It adds 37 tokens to every session and 226 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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