Personae vs Plasmate
A side-by-side look at the Personae and Plasmate MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Personae for browser automation work as a local process; choose Plasmate for browser automation as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Personae when
- You need dedicated capabilities in the Browser Automation domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
ELECTRON_RUN_AS_NODE. - You want tools like
load_skill, list_identities, open_identity.
Choose Plasmate when
- You need dedicated capabilities in the Browser Automation domain.
- You prefer a local stdio subprocess transport.
- You want tools like
fetch_page, extract_text, open_page.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Browser Automation | Browser Automation |
| Quality signal | 53/100 · Good | 52/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | ELECTRON_RUN_AS_NODE | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 2 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 10 | 6 |
| Full listing | View Personae | View Plasmate |
Tools & capabilities
Personae tools 10
load_skillFetch the real command syntax of the bundled agent-browser version (returns a section index by default; pass `section` for a specific one)list_identitiesList all identities with open state and current URLopen_identityOpen an identity's windowsnapshotAccessibility-tree snapshot returning `[ref=eN]` element refsnavigateNavigate to a URLclickInteraction; `click` accepts either a ref or visible textactRun several commands inside one agent-browser processget_textRead contentscreenshotCapture a screenshoteval_jsEvaluate JavaScript
Plasmate tools 6
fetch_pageFetch a URL and get the Semantic Object Model (SOM)extract_textGet clean readable text from any URLopen_pageOpen a persistent browser sessionclickClick elements by SOM IDevaluateExecute JavaScript in the pageclose_pageClose a browser session
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.
Personae
{
"mcpServers": {
"personae": {
"command": "npx",
"args": [
"-y",
"@leek-emperor/personae-mcp"
],
"env": {
"ELECTRON_RUN_AS_NODE": "YOUR_ELECTRON_RUN_AS_NODE_HERE"
}
}
}
}
Plasmate
{
"mcpServers": {
"plasmate-2": {
"command": "npx",
"args": [
"-y",
"plasmate-mcp"
]
}
}
}
Frequently asked questions
Personae is categorized under Browser Automation and uses a local stdio subprocess. Plasmate belongs to Browser Automation and uses a local stdio subprocess. Pick Personae for browser automation work and Plasmate for browser automation.
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.
Personae has no declared pricing — check the project's own site. Plasmate has no declared pricing — check the project's own site. 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 personae and plasmate-2 as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Personae has a quality signal of 53/100 (Good) with 1 views, 0 installs and 2 GitHub stars. Plasmate has 52/100 (Good) with 1 views, 0 installs and 0 GitHub stars.