# OpenArx

> OpenArx, an MCP server by openarx.ai, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

- Canonical: https://www.anchorterminal.com/tools/openarx
- Markdown: https://www.anchorterminal.com/tools/openarx.md (~450 tokens)
- Slim: https://www.anchorterminal.com/tools/openarx.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/openarx.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-04

# OpenArx

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by openarx.ai (https://openarx.ai)
- Listed because: It's published in the registry under openarx.ai, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

## Facts

- MCP registry: `ai.openarx/openarx` 0.3.2
- Endpoint: https://mcp.openarx.ai/researcher/mcp (streamable HTTP)
- Source: https://github.com/OpenArx-AI/openarx-core
- Website: https://openarx.ai
- GitHub stars: 8
- Registry entry updated: 2026-07-29

## Tools

- Tools: the endpoint asks for credentials before listing them (checked 2026-10-04 22:20 UTC)

- JSON: https://www.anchorterminal.com/api/v1/tools/openarx.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming