Butterbase Oss vs Penfield MCP
A side-by-side look at the Butterbase Oss and Penfield MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Butterbase Oss for knowledge & memory work as a local process; choose Penfield MCP for knowledge & memory as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Butterbase Oss when
- You need dedicated capabilities in the Knowledge & Memory domain.
- You prefer a local stdio subprocess transport.
Choose Penfield MCP when
- You need dedicated capabilities in the Knowledge & Memory domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: OAuth 2.0.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Knowledge & Memory | Knowledge & Memory |
| Quality signal | 51/100 · Good | 49/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | OAuth 2.0 |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 3,031 | 6 |
| Directory activity | 2 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Butterbase Oss | View Penfield MCP |
Tools & capabilities
Butterbase Oss tools
No tool names declared yet. Check the project README from the listing page.
Penfield MCP 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.
Butterbase Oss
{
"mcpServers": {
"mcp-285": {
"command": "npx",
"args": [
"-y",
"@butterbase/mcp"
]
}
}
}
Penfield MCP
{
"mcpServers": {
"penfieldlabs-penfield-mcp": {
"command": "npx",
"args": [
"-y",
"mcp-remote"
]
}
}
}