Skill of Skills vs SpecStream
A side-by-side look at the Skill of Skills and SpecStream MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Skill of Skills for developer tools work as a local process; choose SpecStream for developer tools as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Skill of Skills when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
Choose SpecStream when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
SPECSTREAM_API_KEY.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 51/100 · Good | 36/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | SPECSTREAM_API_KEY |
Tools & capabilities
Skill of Skills tools
No tool names declared yet. Check the project README from the listing page.
SpecStream 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.
Skill of Skills
{
"mcpServers": {
"skill-of-skills": {
"command": "npx",
"args": [
"-y",
"pm-claude-skills"
]
}
}
}
SpecStream
{
"mcpServers": {
"specstream": {
"command": "uvx",
"args": [
"specstream-mcp-stdio"
],
"env": {
"SPECSTREAM_API_KEY": "YOUR_SPECSTREAM_API_KEY_HERE"
}
}
}
}
Frequently asked questions
Skill of Skills is categorized under Developer Tools and uses a local stdio subprocess. SpecStream belongs to Developer Tools and uses a local stdio subprocess. Pick Skill of Skills for developer tools work and SpecStream for developer tools.
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.
Skill of Skills is listed as free. Auth: no auth required. SpecStream 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 skill-of-skills and specstream as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Skill of Skills has a quality signal of 51/100 (Good) with 3 views, 0 installs and 64 GitHub stars. SpecStream has 36/100 (Fair) with 0 views, 0 installs and 0 GitHub stars.
