io.github.RyanAlberts/agent-harnesses
Agent-harness picks and decision guides; pick_infrastructure adds live GitHub/HN discovery.
io.github.RyanAlberts/agent-harnesses · Repository · version 0.5.1 · 580 stars · listed from registry
Install
The sweep installs into a clean prefix, but this is the command a user would run:
uvx agent-harnesses-mcp
Results by platform
Linux
MCP handshake failed2026-08-16 · probed over pypi1 recorded run, oldest first.
handshake failed: MCP error -32000: Connection closed
--- stderr (tail) ---
Installed 29 packages in 139ms
Traceback (most recent call last):
File "/home/runner/.cache/uv/archive-v0/xOA5dqoxgSLd3LX_/bin/agent-harnesses-mcp", line 6, in <module>
from agent_harnesses_mcp import main
File "/home/runner/.cache/uv/archive-v0/xOA5dqoxgSLd3LX_/lib/python3.13/site-packages/agent_harnesses_mcp/__init__.py", line 22, in <module>
from mcp.server.fastmcp import FastMCP
ModuleNotFoundError: No module named 'mcp.server.fastmcp'
macOS
MCP handshake failed2026-08-16 · probed over pypi1 recorded run, oldest first.
handshake failed: MCP error -32000: Connection closed
--- stderr (tail) ---
Installed 29 packages in 364ms
Traceback (most recent call last):
File "/Users/runner/.cache/uv/archive-v0/B0vlKVsha6iHinkd/bin/agent-harnesses-mcp", line 6, in <module>
from agent_harnesses_mcp import main
File "/Users/runner/.cache/uv/archive-v0/B0vlKVsha6iHinkd/lib/python3.14/site-packages/agent_harnesses_mcp/__init__.py", line 22, in <module>
from mcp.server.fastmcp import FastMCP
ModuleNotFoundError: No module named 'mcp.server.fastmcp'
Windows
MCP handshake failed2026-08-16 · probed over pypi1 recorded run, oldest first.
handshake failed: MCP error -32000: Connection closed
--- stderr (tail) ---
Installed 31 packages in 13.80s
Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\bTsDQDFd_ZBtzuX0\Scripts\agent-harnesses-mcp.exe\__main__.py", line 4, in <module>
File "C:\Users\runneradmin\AppData\Local\uv\cache\archive-v0\bTsDQDFd_ZBtzuX0\Lib\site-packages\agent_harnesses_mcp\__init__.py", line 22, in <module>
from mcp.server.fastmcp import FastMCP
ModuleNotFoundError: No module named 'mcp.server.fastmcp'
Badge
Paste this into the project README to show the current result:
[](https://doesitinstall.com/s/io.github.ryanalberts__agent-harnesses.html)