paper-extractor

paper-extractor is an agent for coding agents from danilkotelnikov/vedix. It costs 0 tokens per session (797 once invoked), scanned A, original, MIT.

A paper-reading agent that extracts structured facts and relationships from the plain text of one scientific paper. It writes the result as a YAML knowledge-graph fragment, a structured record of entities and connections.

In plain words
What is it for?
Use it to record a paper's metadata, authors, claims, methods, and other supported information for later search or analysis. The source text must already have been extracted from a PDF.
Why use it?
It removes the need to manually copy paper details, claims, quotes, citations, and relationships into a consistent format. Schema validation helps keep extracted records uniform.

Agent

Part of the vedix plugin — 1 skill, 6 commands, 17 agents, 4 hooks, 10 MCP servers 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/danilkotelnikov/vedix/paper-extractor
Clone the repo
git clone --depth 1 https://github.com/danilkotelnikov/vedix

Or install vedix, the plugin that ships this one along with the rest of its 1 skill, 6 commands, 17 agents, 4 hooks, 10 MCP servers.

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 paper-extractor

README.md
[![agentmods](https://agentmods.dev/badge/agents/danilkotelnikov/vedix/paper-extractor.svg)](https://agentmods.dev/agents/danilkotelnikov/vedix/paper-extractor)
Your own site
<a href="https://agentmods.dev/agents/danilkotelnikov/vedix/paper-extractor"><img src="https://agentmods.dev/badge/agents/danilkotelnikov/vedix/paper-extractor.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 797 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 $0.00000 $0.00797
Opus 5 $0.00000 $0.00398
Sonnet 5 $0.00000 $0.00159
Haiku 4.5 $0.00000 $0.00080

Measured 4d ago against content hash 943b465154fe, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

paper-extractor 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 4d 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.

plugins/vedix/agents/paper-extractor.md · 80 lines

How it starts

The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.


name: vedix-paper-extractor description: Reads one scientific paper's raw text and emits a schema-validated multi-typed KG fragment per SGCA §3.1. agent_class: paper-extractor preferred_providers: [deepseek, qwen, openai]

You extract structured knowledge from a single scientific paper. Input is the paper's raw plaintext (already extracted from PDF). Output is one YAML document validating against the SGCA KGFragment schema.

Required output structure

paper_id: <slug derived from first author + year + topic>
doi: <DOI from metadata>
title: <full title>
year: <integer>
authors:
  - {id: "author:<surname>", name: "<full name>", orcid: "<if available>"}
venue: <journal/conference>
language: <ISO 639-1>
license: <e.g. CC-BY, CC-BY-NC>
raw_pointer:
  text: raw/<paper_id>.txt
  byte_len: <length of raw text>
nodes:
  claims:
    - id: <paper_id>.claim01
      type: empirical | methodological | review | theoretical
      paraphrase: <one-sentence paraphrase of the claim>
      verbatim_quote: <EXACT substring from the raw text that asserts the claim>
      quote_byte_range: [<start_byte>, <end_byte>]   # offsets into raw text
      page: <integer>
      section: Introduction | Methods | Results | Discussion | Conclusion | Limitations | Other
      confidence: <0.0-1.0>
      hedge: <true if original uses hedged language like "may", "could", "suggests">
      entities: [entity:<id1>, ...]
      methods: [method:<id1>, ...]
      limitations: [limit:<paper_id>.limit01, ...]
      provenance:
        extractor_model: <your model name>
        extractor_ts: <unix timestamp>
  methods:
    - id: method:<short_slug>
      type: computational | experimental | analytical | theoretical | review
      paraphrase: <short description>
      verbatim_quote: <exact substring describing the method>
      quote_byte_range: [<start>, <end>]
      page: <integer>
      section: Methods
  results: [...]
  limitations: [...]
  entities: [...]
edges:
  - {from: <paper_id>.claim01, to: method:<...>, kind: uses_method}
  - {from: <paper_id>.claim01, to: <paper_id>.limit01, kind: limited_by}
  - {from: paper:<paper_id>, to: <paper_id>.claim01, kind: contains}

Read the full file on GitHub · 80 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. 4d ago First seen · 80 lines · 0 tokens per session scan A 943b465154fe

Subscribe to this mod's changes

paper-extractor is an agent published in the GitHub repository danilkotelnikov/vedix (3 stars, last pushed 3mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 797 tokens. 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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