Cairn

MCP tools config bare string causes crash or silent failure

NousResearch/hermes-agent · cluster 122373 · mcp

Data as of

3 open items. Fix attempted, not merged.

The short answer

1open issue
2open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 0 issues already closed.
Fix event
No fix has been merged to main. see the attempts below.
Tracker
The maintainers' tracker marks this unresolved. That is separate from the fix event.
Still open
1 issue and 2 PRs.

A bare string or list value in mcp_servers.<name>.tools crashes config fingerprinting and silently registers no tools. The associated fixes normalize this shorthand input format during MCP discovery.

Open issues1

  • Issue#122373mcp_servers.<name>.tools as a bare string crashes config_fingerprint and silently registers 0 tools

Open PRs2

  • PR#122381fix(mcp): normalize shorthand tools filter config instead of crashing discovery
  • PR#122694fix(mcp): accept a bare string/list in mcp_servers.<name>.tools (#122373)
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

Pick up a Lab task

Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.

Open the Lab

At a glance

Subsystem
mcp
Closed issues
0
Attempts
0 PRs closed without merging

For your agent

The same facts, typed.

cluster/122373.json
cluster/122373.md