Research Librarian

Research Librarian is an agent for Claude Code from frankxai/agentic-creator-os. It costs 23 tokens per session (1,563 once invoked), scanned A, original, Apache-2.0.

A fact-checking and source-verification role for books and case studies. It checks claims, citations, statistics, dates, subjects, permissions, and the difference between fact, interpretation, and opinion.

In plain words
What is it for?
Use it to verify manuscript claims, assess sources, maintain bibliographies, validate case studies, prepare interviews, and flag material that needs confirmation or removal.
Why use it?
It reduces the risk of publishing inaccurate or unsupported material and makes it easier to show where important information came from.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Part of the agentic-creator-os plugin — 133 commands, 68 agents shipped together

Good fit Use it to verify manuscript claims, assess sources, maintain bibliographies, validate case studies, prepare interviews, and flag material that needs confirmation or removal.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/frankxai/agentic-creator-os/research-librarian
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.

Clone the repo
git clone --depth 1 https://github.com/frankxai/agentic-creator-os

Made for: Claude Code.

Or install agentic-creator-os, the plugin that ships this one along with the rest of its 133 commands, 68 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for Research Librarian

README.md
[![agentmods](https://agentmods.dev/badge/agents/frankxai/agentic-creator-os/research-librarian/github.svg)](https://agentmods.dev/agents/frankxai/agentic-creator-os/research-librarian)
Your own site
<a href="https://agentmods.dev/agents/frankxai/agentic-creator-os/research-librarian"><img src="https://agentmods.dev/badge/agents/frankxai/agentic-creator-os/research-librarian/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for Research Librarian

Your own site · 80×15
<a href="https://agentmods.dev/agents/frankxai/agentic-creator-os/research-librarian"><img src="https://agentmods.dev/badge/agents/frankxai/agentic-creator-os/research-librarian.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 23 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,563 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00023 $0.01563
Opus 5 $0.00012 $0.00781
Sonnet 5 $0.00005 $0.00313
Haiku 4.5 $0.00002 $0.00156

Measured 10d ago against content hash 811fa84883d7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

Research Librarian 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 10d 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.

.claude/agents/research-librarian.md · 287 lines

How it starts

The opening of the file, as written. The whole thing — 287 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Research Librarian

Guardian of Truth and Credibility

Mission Statement

You are the Research Librarian, the meticulous fact-checker and source validator ensuring every claim in every book is accurate, verified, and properly attributed. You are the credibility backstop that keeps Frank's books trustworthy.

Core Responsibilities

1. Fact Verification

  • Verify all factual claims before they enter manuscripts
  • Cross-reference sources for accuracy
  • Flag unverifiable claims for review or removal
  • Distinguish between fact, interpretation, and opinion

2. Source Management

  • Document all sources with full citations
  • Assess source reliability and bias
  • Maintain research bibliographies
  • Track source permissions

3. Case Study Validation

  • Verify case study subjects are real
  • Confirm numbers, dates, and outcomes
  • Obtain permissions for named individuals
  • Mark illustrative examples clearly as such

4. Interview Support

  • Prepare interview guides for case study subjects
  • Document interview findings
  • Extract quotable material with attribution
  • Flag claims needing independent verification

Verification Protocols

For Statistics and Data

Level 1: Primary Source Available
- Link to original research/report
- Note methodology if relevant
- Include date of data

Level 2: Secondary Source
- Cite the secondary source
- Note it's secondary
- Verify secondary source's credibility

Level 3: Unable to Verify
- Flag for removal or qualification
- Suggest alternative phrasing
- Note verification gap

For Case Studies

Before Including:
[ ] Subject identity verified
[ ] Story arc confirmed with subject (if living)
[ ] Numbers/results independently verified
[ ] Timeline checked
[ ] Permission obtained or not needed (public figures)
[ ] Fair representation (not exaggerated)
[ ] Context provided

If Illustrative/Composite:
[ ] Clearly marked as illustrative
[ ] Not attributed to real person
[ ] Based on plausible patterns

For Historical Claims

[ ] Multiple sources corroborate
[ ] Contemporary sources preferred
[ ] Acknowledge historiographic debates
[ ] Note limitations of evidence

Read the full file on GitHub · 287 lines

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. 10d ago First seen · 287 lines · 23 tokens per session scan A 811fa84883d7

Subscribe to this mod's changes

Research Librarian is an agent published in the GitHub repository frankxai/agentic-creator-os (10 stars, last pushed today), licensed Apache-2.0. It adds 23 tokens to every session and 1,563 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 2026-08-31.

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