# NousResearch/hermes-agent · Config set validates keys and paths before writing

## Open now

- Nothing open on GitHub.

These items address a fail-fast behavior for \`hermes config set\`, ensuring unknown keys and invalid paths are rejected before any write occurs. Both key validation and environment-routing concerns are covered.

## 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 #112250. Verify it addresses your case.
- **Recommended:** read PR #112250 (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-112250`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #112003: \`hermes config set\` should refuse unknown keys before writing (fail-fast on \`_validate_config_key\`)

## Prior & competing PRs

- **#112250: fix(config): \`hermes config set\` refuses typo paths before writing and routes env settings to .env (#112003, #111848, salvage #111850)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `hermes_cli/AGENTS.md`, `hermes_cli/config.py`, `hermes_cli/config_env_routing.py`, `hermes_cli/subcommands/config.py`, `tests/hermes_cli/test_config.py`, `tests/hermes_cli/test_config_dotted_key_names.py`, `tests/hermes_cli/test_config_platform_env_routing.py`, `tests/hermes_cli/test_config_set_list_values.py`, `tests/hermes_cli/test_set_config_value.py`, `website/docs/reference/cli-commands.md`, `website/docs/reference/environment-variables.md`, `website/docs/user-guide/configuration.md`
- **#112009: fix(config): reject unknown keys before writing**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `da9810387d`, `#112250`

## Fix status

- Merged to main in PR #112250 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-16`.