In MCP, the tool list is a hint the client caches; the call path is the only surface a provider mediates in real time. Every governance primitive
In MCP, the tool list is a hint the client caches; the call path is the only surface a provider mediates in real time. Every governance primitive worth having --
Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| name | add |
{
"mcpServers": {
"hangar": {
"command": "uvx",
"args": ["mcp-hangar"],
"env": {
"GITHUB_TOKEN": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| GITHUB_TOKEN | Credential the server authenticates with. | Yes |
Read, search and edit files inside allowed directories with the Model Context Protocol reference Filesystem server.
Retrieve version-aware library documentation and code examples with Context7 MCP, using resolve-library-id and query-docs.
Windows network and proxy diagnostics: GitHub reachability, proxy ports, DNS/TCP, and fixes.
MCP server for accessing Opera Omnia datasets
A powerful Model Context Protocol (MCP) server that integrates with Everything Search Engine, providing lightning-fast file search capabilities across your entire system. This server enables natural…
Alation Agent SDK