bots.st/keystone
Keystone
Search and extract paper verbatim stances
2119 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 3
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://keystone-research.vercel.app/api/mcp
What it can do
| Tool | What it says it does |
|---|---|
list_disagreements | Every sentence in the library where a paper says prior work is wrong, or puts itself beside it to win. Small on purpose — disagreement is rare and concentrated, and the whole set is readable. |
read_paper | Everything Keystone reads out of one arXiv paper: what it adopts, extends, disputes and measures against, and the assumptions it states with a citation, its own evidence, or nothing at all. Works for any paper on arXiv that ships LaTeX source — one outside the library is parsed on demand, which… |
search_library | Search 2497 readings taken from 234 arXiv papers' LaTeX source: citation stances (adopts, extends, disputes, measures against) and stated assumptions. Matches on the quoted sentence, the cue phrase that decided it, and the work cited. Returns the sentence verbatim with a link to the exact line. |
In its maker's words
What an arXiv paper builds on, disputes and assumes, read verbatim from its LaTeX. No LLM.
- Website
- keystone-research.vercel.app
- Source
- github.com/Srikarmk/Keystone
- Publisher
- Srikarmk (4 listings in the registry)
- Listed from
- the official MCP Registry as
io.github.Srikarmk/keystone - Version
- 0.1.0, updated 20 Oct 2026
- Kinds of work
- Search and research, Documents and files, AI models and agent tools
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2119 ms | |
| Answered | 2218 ms | |
| Answered | 707 ms |
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