Code of Paper
Bridges arXiv research papers to their GitHub implementations through a database of 181k+ papers. Exposes paper lookup by ID or URL, ranked repository discovery with tier/framework metadata, full-text search, and conference browsing as MCP tools. The underlying CLI caches responses for 30 minutes and supports multiple output formats including JSON for agent pipelines. Useful when you need reproducible code for a paper reference, want to compare implementations of the same work, or need to validate that recent research has available code before committing to a direction. No API key required for basic use at 60 requests per minute.
- tools
- 3
- transport
- STDIO
- env var
- 1
- last updated
- May 31, 2026
Tools
3 toolsPublic tool metadata for what this MCP can expose to an agent.
paper_lookupPaper metadata + confident-tier repos
Paper metadata + confident-tier repos
No parameter schema in public metadata yet.
code_for_paperRanked GitHub repos implementing a paper
Ranked GitHub repos implementing a paper
No parameter schema in public metadata yet.
search_papersFree-text paper search with filters
Free-text paper search with filters
No parameter schema in public metadata yet.
Sponsors
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CODEOFPAPER_API_URLOverride the API base URL (default https://api.codeofpaper.com).
Readme
Code of Paper CLI
Maintenance mode. This CLI and MCP server are not actively developed. They keep working as long as api.codeofpaper.com is up; issues may go unanswered.
Discover GitHub implementations of research papers — from the terminal.
Search 181k+ arXiv papers and find their code on GitHub. Works for humans and AI agents alike.
Install
pip install codeofpaper
Or with pipx for isolated installs:
pipx install codeofpaper
Requires Python 3.10+. No API key needed — works anonymously at 60 requests/minute.
Quick Start
# Search for papers
codeofpaper search "vision transformers"
# Get paper details (arXiv IDs or full URLs both work)
codeofpaper paper 2010.11929
codeofpaper paper https://arxiv.org/abs/2010.11929
Details
- Repository
- github.com/isagelswann/codeofpaper-cli
- Website
- codeofpaper.com
- Categories
- Developer Tools, Search & Web Crawling
- Package
codeofpaper- Transport
- STDIO
- Registry
- MCP registry, active
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