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Drawbridge

R2· OAuth, once

Identity, secrets, and passwordless SSH provisioning for AI agents — Keycloak, vault, MCP tools.

v1.0.0 · active · repository · website · descriptor JSON · versions

An agent can connect after a one-time OAuth consent by a human.Remote endpoint behind OAuth 2. Tokens stay with the agent; the registry only exposes the authorization metadata.
Quality83good
Trust93of 100
Uptime, 30 days100%
Latency p50509 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "drawbridge": {
      "type": "sse",
      "url": "https://api.drawbridge.xorfox.sh/mcp/sse",
      "headers": {
        "Authorization": "Bearer ${DRAWBRIDGE_TOKEN}"
      }
    }
  }
}
claude mcp add --transport sse drawbridge https://api.drawbridge.xorfox.sh/mcp/sse --header "Authorization: Bearer ${DRAWBRIDGE_TOKEN}"
[mcp_servers.drawbridge]
url = "https://api.drawbridge.xorfox.sh/mcp/sse"
bearer_token_env_var = "DRAWBRIDGE_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "drawbridge": {
      "type": "remote",
      "url": "https://api.drawbridge.xorfox.sh/mcp/sse",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:DRAWBRIDGE_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "drawbridge": {
      "type": "sse",
      "url": "https://api.drawbridge.xorfox.sh/mcp/sse",
      "headers": {
        "Authorization": "Bearer ${DRAWBRIDGE_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=drawbridge&config=eyJ0eXBlIjoic3NlIiwidXJsIjoiaHR0cHM6Ly9hcGkuZHJhd2JyaWRnZS54b3Jmb3guc2gvbWNwL3NzZSIsImhlYWRlcnMiOnsiQXV0aG9yaXphdGlvbiI6IkJlYXJlciAke0RSQVdCUklER0VfVE9LRU59In19"
}
{
  "servers": {
    "drawbridge": {
      "type": "sse",
      "url": "https://api.drawbridge.xorfox.sh/mcp/sse",
      "headers": {
        "Authorization": "Bearer ${DRAWBRIDGE_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "drawbridge": {
      "url": "https://api.drawbridge.xorfox.sh/mcp/sse",
      "headers": {
        "Authorization": "Bearer ${DRAWBRIDGE_TOKEN}"
      }
    }
  }
}
extensions:
  "drawbridge":
    enabled: true
    name: "drawbridge"
    type: sse
    uri: "https://api.drawbridge.xorfox.sh/mcp/sse"
    headers:
      "Authorization": "Bearer ${DRAWBRIDGE_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${DRAWBRIDGE_TOKEN}. The registry never accepts secret values.

Quality 83 / 100good

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)
authorization83 · weight 15
  • pass
    auth.prmProtected Resource Metadata (RFC 9728) published
  • pass
    auth.as_metadataauthorization server metadata reachable
  • warn
    auth.cimdonly Dynamic Client Registration, deprecated in 2026-07-28 in favour of CIMD
  • 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 2026-10-20 15:57 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 93 / 100

provenance100
liveness100
freshness65
hygiene100

+repository +namespace-matches-repo +dns-namespace +website +reachable +uptime-100% ~updated-149d-ago

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

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://api.drawbridge.xorfox.sh/mcp/sse sseoauth2 AS: https://sso.drawbridge.xorfox.sh/realms/drawbridgeyes100%509 ms–2026-10-20

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": "sh.xorfox.drawbridge/server",
  "title": "Drawbridge",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.drawbridge.xorfox.sh/mcp/sse",
      "type": "sse",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "isRequired": true,
          "description": "Bearer <access_token>. To mint a token without a human in the loop: (1) POST {\"agentName\":\"<name>\",\"agentEmail\":\"<principal-email>\"} to https://api.drawbridge.xorfox.sh/drawbridge/mcp/register — returns clientId, clientSecret, tokenEndpoint. (2) POST grant_type=client_credentials with those credentials to the token endpoint. The resulting access_token is scoped mcp:tools and audience-bound to /mcp; default TTL is 5 minutes, so refresh on the boundary."
        }
      ]
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/xorfox/drawbridge",
    "source": "github"
  },
  "websiteUrl": "https://drawbridge.xorfox.sh",
  "description": "Identity, secrets, and passwordless SSH provisioning for AI agents — Keycloak, vault, MCP tools."
}