Nephyr Backtest MCP server

by clm-studios·io.github.clm-studios/nephyr-backtest·v0.1.1

Prediction market strategy backtesting with real on-chain Polymarket data

C65/100grade C

What users say

No reviews yet

Safety scan

C65/100

Adoption

Not measured yet

Usage numbers are collected on the next scan

Reviews

Nobody has reviewed Nephyr Backtest yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

No tool declarations could be read from the package source. They show once the server is installed.

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings

Code scan8 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancerepository not readable: repo not found3/15
Maintainer identityno repository or website to verify2/10

Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

claude mcp add nephyr-backtest -- uvx nephyr-backtest

Is Nephyr Backtest MCP server safe?: With care: it is graded C, so read the findings first (65/100). Read the Nephyr Backtest safety report
How do I install Nephyr Backtest?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Nephyr Backtest need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Nephyr Backtest maintained?: The latest release is v0.1.1.
What can I use instead of Nephyr Backtest?: Servers from other publishers that do the same job: CCXT MCP server.

Same job from other publishers: the closest match first, then the best rated.

CCXT
Official CCXT MCP server - Market data and trading across 100+ exchanges and prediction markets
not reviewed
Widely used
A