io.github.spark1security/n0s1-mcp

Is the io.github.spark1security/n0s1-mcp MCP server down? Yes. It has given no valid answer since 2026-10-20: crashed on start.

Secret scanner for Slack, Jira, Confluence, Asana, Wrike, Linear, Zendesk, GitHub and GitLab

crashed on start down since 2026-10-20 · probed 2026-11-14 · unchanged since 2026-10-27

MCP error -32000: Connection closed
AttributeError: 'Server' object has no attribute 'list_tools'
  File "/work/uv/n0s1-mcp/lib/python3.12/site-packages/n0s1_mc

Run it: uvx n0s1-mcp@1.1.6 (stdio, probed in a container with the network off)
Host: pypi.org
Registry: active, updated 2026-06-19 · registry entry

Compare this server with others.

More servers

Other registry entries on pypi.org, the ones next to this name; all of them.

io.github.sophotechlabs/kube-lint-mcp · install failed
io.github.soufianetahiri/mception · needs mcp<2
io.github.soulfir/babelwrap-mcp · alive
Mosaic Pre-Clinical Intelligence io.github.sourabhnk/mosaic-mcp · alive
io.github.sparkvibe-io/GuardianShield · needs env
io.github.sparkvibe-io/memorymesh · crashed on start
io.github.sparta2025/postgres-mcp · alive
io.github.speedofred/ami-survey · alive

Servers that mention confluence or scanner.

CertScore.ai MCP Light ai.certscore/mcp-light · alive
IntoDNS.ai DNS & Email Security Scanner ai.intodns/scanner · alive
Sitejar Web Compliance Scanner app.sitejar/mcp · needs auth
Myagi - Open Agent Registry bot.myagi/openagent-registry · alive
ShipSafe — Independent security verification co.ship-safe/scanner · needs auth
0DTE Confluence com.0dteconfluence/confluence · needs auth
Stablecoin Scanner com.achivx/stablescan · alive
Atlassian Rovo MCP Server com.atlassian/atlassian-mcp-server · needs auth

Badge for the README

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Atom feed

A mail when this server changes

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher

No valid answer since 2026-10-20, in every probe since then.
The process exited on start before it answered initialize. The error output is above.

The cause and the fix, with the code before and after: AttributeError: 'Server' object has no attribute 'list_tools'