# NousResearch/hermes-agent · MCP pagination error handling and TypeError detection

## Open now

- Nothing open on GitHub.

These items address a bug where MCP pagination was masking TypeErrors raised by modern list call signatures. The fixes involve probing the list signature and preserving the original call error rather than obscuring it.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #104918. Verify it addresses your case.
- **Recommended:** read PR #104918 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-104918`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member 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.

## Closed / duplicate issues

- #104150: \[Bug\]: MCP pagination masks TypeError from modern list calls

## Prior & competing PRs

- **#104918: fix: MCP pagination retains the original call error (salvage #104164)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `tests/tools/test_mcp_list_pagination.py`, `tools/mcp_tool.py`
- **#104164: fix(mcp): probe the list signature instead of masking its TypeError (#104150)**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `05315a6f26`, `#104918`

## Fix status

- Merged to main in PR #104918 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-07`.