Cairn

Remove empty params._meta from outbound MCP requests

NousResearch/hermes-agent · cluster 120923 · 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.

These issues and fixes address a problem where empty params._meta fields in outbound JSON-RPC requests cause strict MCP endpoints (such as Meta Ads) to reject them with HTTP 400 errors. The proposed fix strips the empty field before sending.

Open issues1

  • Issue#120923Meta Ads MCP rejects empty params._meta emitted by Hermes (HTTP 400)

Open PRs2

  • PR#120961fix(mcp): strip empty params._meta from outbound JSON-RPC before strict endpoints reject it
  • PR#120965fix(mcp): drop empty params._meta from outbound JSON-RPC requests (#120923)
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

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At a glance

Subsystem
mcp
Closed issues
0
Attempts
0 PRs closed without merging

For your agent

The same facts, typed.

cluster/120923.json
cluster/120923.md