# Tool Slimmer: Hermes Agent plugin

> Reduce Hermes tool-schema overhead and show selector savings in the dashboard.

Canonical: https://hermeswatcher.com/plugins/tool-slimmer  
Tier: Community  
Official page (Nous Research): https://hermes-agent.nousresearch.com/docs/plugins/tool-slimmer  
Last updated in catalog: 2026-10-02

Reduce Hermes tool-schema overhead and show selector savings in the dashboard.

## Good to know before installing

Optional mode jev (off by default; needs TYPESAFE_API_KEY) sends each turn's request text and up to 32 candidate tool names and descriptions to TypeSafe (api.typesafe.ai); all other modes run locally. Optional user-run scripts can patch Hermes core on older Hermes and install a systemd user self-heal unit; the dashboard advisor edits the tool_slimmer section of config.yaml with a backup.

From the plugin's catalog listing.

## How to install

1. Install it. Hermes asks for any API keys it needs, then asks whether to turn it on.

```bash
hermes plugins install tool-slimmer
```

2. Said no? Turn it on later:

```bash
hermes plugins enable tool-slimmer
```

3. Restart Hermes so it loads the plugin.

Some plugins also need a sign-in or settings: see the official page. Memory plugins ask whether to become your memory provider instead. Steps follow the official plugins guide: https://hermes-agent.nousresearch.com/docs/user-guide/features/plugins

## Facts

- Category: Coding & developer tools
- Maintained by: aliasocracy (Community)
- Needs: No API keys declared
- Adds tools: `tool_slimmer_hydrate_tools`, `tool_slimmer_request_full_tools`, `tool_slimmer_select`, `tool_slimmer_status`
- Requires Hermes: `>=0.19`
- Version: 0.8.0
- In the catalog since: 2026-09-15, updated 2026-10-02

## Links

- [Full setup and settings (official page)](https://hermes-agent.nousresearch.com/docs/plugins/tool-slimmer)
- [Source code](https://github.com/aliasocracy/hermes-tool-slimmer#readme)
- [All plugins](https://hermeswatcher.com/plugins.md)

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