# NousResearch/hermes-agent · Enforce allowed_tools allowlist for MCP servers

## Open now

- 1 issue, 0 PRs open on GitHub.
- #106983: mcp_servers.<name>.allowed_tools is declared but never enforced

These issues and PRs concern a configuration field \`mcp_servers.<name>.allowed_tools\` that is declared but not enforced as a tool allowlist. The work involves implementing enforcement of this whitelist for MCP server tool access.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 0 open PR(s), 0 merged PR(s), 2 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Open related issues

- #106983: mcp_servers.<name>.allowed_tools is declared but never enforced

## Prior & competing PRs

- **#106989: fix(security): enforce mcp_servers.<name>.allowed_tools whitelist**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `#106983`, `#126199`
- **#126199: fix(mcp): enforce mcp_servers.<name>.allowed_tools as tool allowlist**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `6d32d8dcb6af`

## Fix status

- No merged fix on record.
- Subsystem: `mcp`