Arcjet vs Threadline MCP
A side-by-side look at the Arcjet and Threadline MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Arcjet for communication work over a hosted endpoint; choose Threadline MCP for communication as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Arcjet when
- You need dedicated capabilities in the Communication domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
list-teams, list-sites, create-site.
Choose Threadline MCP when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Communication | Communication |
| Quality signal | 48/100 · Fair | 49/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 84 |
| Directory activity | 0 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 24 | Not listed |
| Full listing | View Arcjet | View Threadline MCP |
Tools & capabilities
Arcjet tools 24
list-teamslist-sitescreate-siteget-site-keyARCJET_KEYlist-requestsALLOWDENYERRORget-request-detailsexplain-decisionget-site-quota- +12 more on the listing page
Threadline 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.
Arcjet
{
"mcpServers": {
"arcjet": {
"url": "https://api.arcjet.com/mcp"
}
}
}
Threadline MCP
{
"mcpServers": {
"threadline-mcp": {
"command": "npx",
"args": [
"-y",
"instar"
]
}
}
}
Frequently asked questions
Arcjet is categorized under Communication and uses a remote HTTP/SSE transport. Threadline MCP belongs to Communication and uses a local stdio subprocess. Pick Arcjet for communication work and Threadline MCP for communication.
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.
Arcjet has no declared pricing — check the project's own site. Threadline MCP 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 arcjet and threadline-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Arcjet has a quality signal of 48/100 (Fair) with 0 views, 0 installs and 1 GitHub stars. Threadline MCP has 49/100 (Fair) with 3 views, 0 installs and 84 GitHub stars.