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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "basalt": {
      "type": "sse",
      "url": "https://basalt.run/api/mcp",
      "headers": {
        "Authorization": "Bearer <API_KEY>"
      }
    }
  }
}

claude mcp add --transport sse basalt https://basalt.run/api/mcp --header "Authorization: Bearer <API_KEY>"

[mcp_servers.basalt]
url = "https://basalt.run/api/mcp"
http_headers = { "Authorization" = "Bearer <API_KEY>" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "basalt": {
      "type": "remote",
      "url": "https://basalt.run/api/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer <API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "basalt": {
      "type": "sse",
      "url": "https://basalt.run/api/mcp",
      "headers": {
        "Authorization": "Bearer <API_KEY>"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=basalt&config=eyJ0eXBlIjoic3NlIiwidXJsIjoiaHR0cHM6Ly9iYXNhbHQucnVuL2FwaS9tY3AiLCJoZWFkZXJzIjp7IkF1dGhvcml6YXRpb24iOiJCZWFyZXIgPEFQSV9LRVk%2BIn19"
}

{
  "servers": {
    "basalt": {
      "type": "sse",
      "url": "https://basalt.run/api/mcp",
      "headers": {
        "Authorization": "Bearer <API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "basalt": {
      "url": "https://basalt.run/api/mcp",
      "headers": {
        "Authorization": "Bearer <API_KEY>"
      }
    }
  }
}

extensions:
  "basalt":
    enabled: true
    name: "basalt"
    type: sse
    uri: "https://basalt.run/api/mcp"
    headers:
      "Authorization": "Bearer <API_KEY>"
    timeout: 300

Quality – / 100not scored

Not scored: fewer than three checks apply, usually because no remote answered a credential-free probe or the server is a local package.

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygienen/a · weight 30

n/a
tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool list unknown

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

Tool list unknown · checked 2026-10-19 15:48 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 56 / 100

unreachable

provenance90

liveness0

freshness45

hygiene100

+repository +namespace-matches-repo +website -unreachable(13 failures) -stale-184d

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://basalt.run/api/mcp` sse	api_key `${BASALT_TOKEN}`	no (13 failures)	0%	–	–	–

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.basalt-run/basalt",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json",
  "remotes": [
    {
      "url": "https://basalt.run/api/mcp",
      "type": "sse",
      "headers": [
        {
          "name": "Authorization",
          "value": "Bearer <API_KEY>",
          "isSecret": true,
          "description": "Basalt API key from https://basalt.run Settings"
        }
      ]
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/basalt-run/design-system",
    "source": "github"
  },
  "websiteUrl": "https://basalt.run",
  "description": "Design tokens, components, icons, and a11y data via MCP. For Cursor, Claude, and Windsurf."
}