Loki Mode vs Har
A side-by-side look at the Loki Mode and Har MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
HarCoding AgentsHAR: open agent harness CLI and MCP server for coding agents, isolated worktrees, and software-factory workflows41FairAuth: no auth requiredVerdict: choose Loki Mode for coding agents work as a local process; choose Har for coding agents. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Loki Mode when
- You need dedicated capabilities in the Coding Agents domain.
- You prefer a local stdio subprocess transport.
Choose Har when
- You need dedicated capabilities in the Coding Agents domain.
- Its auth model fits you: No auth required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | Har | |
|---|---|---|
| Category | Coding Agents | Coding Agents |
| Quality signal | 53/100 · Good | 41/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1,096 | 123 |
| Directory activity | 2 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Loki Mode | View Har |
Tools & capabilities
Loki Mode tools
No tool names declared yet. Check the project README from the listing page.
Har tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Loki Mode
{
"mcpServers": {
"loki-mode": {
"command": "npx",
"args": [
"-y",
"loki-mode"
]
}
}
}
Har
No confirmed install command for Har yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
Loki Mode is categorized under Coding Agents and uses a local stdio subprocess. Har belongs to Coding Agents and uses an install path we have not confirmed yet. Pick Loki Mode for coding agents work and Har for coding agents.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Har has no confirmed install command yet — follow its own setup instructions.
Loki Mode has no declared pricing — check the project's own site. Har is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add loki-mode and osfactory-har as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Loki Mode has a quality signal of 53/100 (Good) with 2 views, 0 installs and 1,096 GitHub stars. Har has 41/100 (Fair) with 0 views, 0 installs and 123 GitHub stars.