io.github.sipyourdrink-ltd/bernstein
Deterministic orchestrator for CLI coding agents. Byte-identical replay, 40+ adapters, air-gap.
io.github.sipyourdrink-ltd/bernstein · Repository · Website · version 3.15.1 · 899 stars · listed from registry
Install
The sweep installs into a clean prefix, but this is the command a user would run:
uvx bernstein
Results by platform
Linux
MCP handshake failed2026-08-16 · probed over pypi1 recorded run, oldest first.
handshake failed: MCP error -32000: Connection closed transport: ken 'B', " BERNSTEIN "... is not valid JSON Unexpected token '─', "──────────"... is not valid JSON Unexpected token '─', "──────────"... is not valid JSON Unexpected token 'P', "Preparing."... is not valid JSON Unexpected token 'b', "branch, so"... is not valid JSON Unexpected token 'i', "instead of merged." is not valid JSON Unexpected token 'F', "Fix: check"... is not valid JSON Unexpected token 'B', "BERNSTEIN_"... is not valid JSON Unexpected token 'd', "default branch." is not valid JSON --- stderr (tail) --- Downloading bernstein (9.3MiB) Downloading pyfiglet (1.7MiB) Downloading grpcio (6.7MiB) Downloading reportlab (1.9MiB) Downloaded grpcio Downloaded reportlab Downloaded pyfiglet Downloaded bernstein Installed 87 packages in 422ms Bernstein collects no telemetry by default. Run `bernstein telemetry on` to opt in. This message will not appear again.
macOS
MCP handshake failed2026-08-16 · probed over pypi1 recorded run, oldest first.
handshake failed: MCP error -32000: Connection closed
transport: ken 'B', " BERNSTEIN "... is not valid JSON
Unexpected token '─', "──────────"... is not valid JSON
Unexpected token '─', "──────────"... is not valid JSON
Unexpected token 'P', "Preparing."... is not valid JSON
Unexpected token 'b', "branch, so"... is not valid JSON
Unexpected token 'i', "instead of merged." is not valid JSON
Unexpected token 'F', "Fix: check"... is not valid JSON
Unexpected token 'B', "BERNSTEIN_"... is not valid JSON
Unexpected token 'd', "default branch." is not valid JSON
--- stderr (tail) ---
Downloading reportlab (1.9MiB)
Downloading grpcio (11.6MiB)
Downloading bernstein (9.3MiB)
Downloading pyfiglet (1.7MiB)
Building watchdog==6.0.0
Downloaded reportlab
Downloaded grpcio
Downloaded pyfiglet
Downloaded bernstein
Built watchdog==6.0.0
Installed 85 packages in 1.40s
Bernstein collects no telemetry by default.
Run `bernstein telemetry on` to opt in.
This message will not appear again.
Windows
MCP handshake failed2026-08-16 · probed over pypi1 recorded run, oldest first.
handshake failed: MCP error -32000: Connection closed transport: "... is not valid JSON No number after minus sign in JSON at position 1 (line 1 column 2) No number after minus sign in JSON at position 1 (line 1 column 2) Unexpected token 'P', "Preparing."... is not valid JSON Unexpected token 'b', "branch, so"... is not valid JSON Unexpected token 'i', "instead of merged." is not valid JSON Unexpected token 'F', "Fix: check"... is not valid JSON Unexpected token 'B', "BERNSTEIN_"... is not valid JSON Unexpected token 'd', "default branch." is not valid JSON --- stderr (tail) --- Downloading bernstein (9.3MiB) Downloading pyfiglet (1.7MiB) Downloading reportlab (1.9MiB) Downloading grpcio (4.9MiB) Downloaded grpcio Downloaded reportlab Downloaded pyfiglet Downloaded bernstein Installed 88 packages in 55.29s Bernstein collects no telemetry by default. Run `bernstein telemetry on` to opt in. This message will not appear again.
Badge
Paste this into the project README to show the current result:
[](https://doesitinstall.com/s/io.github.sipyourdrink-ltd__bernstein.html)