OpenSolar MCP vs Skill of Skills
A side-by-side look at the OpenSolar MCP and Skill of Skills MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
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OpenSolar MCPDeveloper Tools · Local subprocess (stdio)Unofficial, self-hosted MCP server for the documented OpenSolar API.41FairAuth: api key requiredVerdict: choose OpenSolar MCP for developer tools work as a local process; choose Skill of Skills 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?
OChoose OpenSolar MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
OPENSOLAR_API_TOKEN, OPENSOLAR_ORG_ID.
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.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | O OpenSolar MCP | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 41/100 · Fair | 51/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | No auth required |
| Pricing | BYOK (pay the provider) | Free |
| Required env vars | OPENSOLAR_API_TOKENOPENSOLAR_ORG_ID | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 64 |
| Directory activity | 0 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View OpenSolar MCP | View Skill of Skills |
Tools & capabilities
OpenSolar MCP tools
No tool names declared yet. Check the project README from the listing page.
Skill of Skills 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.
OpenSolar MCP
{
"mcpServers": {
"opensolar-mcp": {
"command": "npx",
"args": [
"-y",
"@alignco/opensolar-mcp"
],
"env": {
"OPENSOLAR_API_TOKEN": "YOUR_OPENSOLAR_API_TOKEN_HERE",
"OPENSOLAR_ORG_ID": "YOUR_OPENSOLAR_ORG_ID_HERE"
}
}
}
}
Skill of Skills
{
"mcpServers": {
"skill-of-skills": {
"command": "npx",
"args": [
"-y",
"pm-claude-skills"
]
}
}
}
Frequently asked questions
OpenSolar MCP is categorized under Developer Tools and uses a local stdio subprocess. Skill of Skills belongs to Developer Tools and uses a local stdio subprocess. Pick OpenSolar MCP for developer tools work and Skill of Skills 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.
OpenSolar MCP is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. Skill of Skills 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 opensolar-mcp and skill-of-skills as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, OpenSolar MCP has a quality signal of 41/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Skill of Skills has 51/100 (Good) with 3 views, 0 installs and 64 GitHub stars.