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Shardflux

R2· OAuth, once

Persistent cloud workspaces for AI agents: run commands, edit files, use git and a browser.

v0.12.2 · active · 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.
Quality100strong
Trust83of 100
Uptime, 30 days100%
Latency p50464 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "shardflux": {
      "type": "http",
      "url": "https://mcp.shardflux.dev/mcp"
    }
  }
}
claude mcp add --transport http shardflux https://mcp.shardflux.dev/mcp
[mcp_servers.shardflux]
url = "https://mcp.shardflux.dev/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "shardflux": {
      "type": "remote",
      "url": "https://mcp.shardflux.dev/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "shardflux": {
      "type": "http",
      "url": "https://mcp.shardflux.dev/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=shardflux&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLnNoYXJkZmx1eC5kZXYvbWNwIn0%3D"
}
{
  "servers": {
    "shardflux": {
      "type": "http",
      "url": "https://mcp.shardflux.dev/mcp"
    }
  }
}
{
  "mcpServers": {
    "shardflux": {
      "httpUrl": "https://mcp.shardflux.dev/mcp"
    }
  }
}
extensions:
  "shardflux":
    enabled: true
    name: "shardflux"
    type: streamable_http
    uri: "https://mcp.shardflux.dev/mcp"
    timeout: 300

Quality 100 / 100strong

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)
authorization100 · weight 15
  • pass
    auth.prmProtected Resource Metadata (RFC 9728) published
  • pass
    auth.as_metadataauthorization server metadata reachable
  • pass
    auth.cimdClient ID Metadata Documents supported
  • 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.resolvabledeps.dev does not know @shardflux/[email protected]

Tool list unknown · checked 2026-10-20 04:09 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 83 / 100

no-repository
provenance55
liveness100
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-12d-ago -no-repository

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

Dependencies

@shardflux/[email protected] npmthis version is not known to the dependency resolver

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.shardflux.dev/mcp streamable-httpoauth2 AS: https://mcp.shardflux.devyes100%464 ms–2026-10-19
packageregistryversionruntimesecrets
@shardflux/mcpnpm0.12.2npxSHARDFLUX_API_KEY

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": "dev.shardflux/mcp",
  "title": "Shardflux",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.shardflux.dev/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.12.2",
  "packages": [
    {
      "version": "0.12.2",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@shardflux/mcp",
      "runtimeHint": "npx",
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "environmentVariables": [
        {
          "name": "SHARDFLUX_API_KEY",
          "format": "string",
          "isSecret": true,
          "isRequired": true,
          "description": "Scoped Shardflux project API key (sfk_<key id>_<secret>). Its tool permissions decide which workspace tools are listed.",
          "placeholder": "sfk_..."
        },
        {
          "name": "SHARDFLUX_API_URL",
          "format": "string",
          "default": "https://api.shardflux.dev",
          "description": "API base URL. Plain http:// is allowed only for loopback hosts."
        },
        {
          "name": "SHARDFLUX_WORKSPACE_KEY",
          "format": "string",
          "description": "Pin one workspace: workspace_key becomes optional on every tool and any other key is refused (workspace_pinned).",
          "placeholder": "me/scratch"
        },
        {
          "name": "SHARDFLUX_TEMPLATE",
          "format": "string",
          "description": "Default template slug for workspace_open.",
          "placeholder": "python-node-browser"
        },
        {
          "name": "SHARDFLUX_MCP_TOOL_TIMEOUT_MS",
          "format": "number",
          "default": "120000",
          "description": "Default and maximum deadline per tool call in milliseconds (1000-3600000). A call's timeout_ms can only shorten it."
        },
        {
          "name": "SHARDFLUX_WAKE",
          "format": "string",
          "choices": [
            "on",
            "off"
          ],
          "default": "on",
          "description": "on: workspace tools resume a suspended workspace and then run. off: they return the workspace_not_running refusal."
        },
        {
          "name": "SHARDFLUX_WAKE_TIMEOUT_MS",
          "format": "number",
          "default": "120000",
          "description": "Longest wait per tool call for a workspace to wake or finish a transition, in milliseconds (1000-3600000; clamped to SHARDFLUX_MCP_TOOL_TIMEOUT_MS)."
        },
        {
          "name": "SHARDFLUX_AGENT_LABEL",
          "format": "string",
          "default": "mcp",
          "description": "Attribution label of every tool token this server obtains (shown as an agent session)."
        },
        {
          "name": "SHARDFLUX_MCP_LOG_LEVEL",
          "format": "string",
          "choices": [
            "debug",
            "info",
            "warn",
            "error"
          ],
          "default": "info",
          "description": "Log level of the JSON log lines on stderr (stdout carries the protocol)."
        },
        {
          "name": "SHARDFLUX_HTTP_KEEPALIVE",
          "format": "string",
          "choices": [
            "0",
            "1"
          ],
          "description": "Unset: private HTTP/1.1 pooling on Node 26, native fetch elsewhere. 0: force connection closure for diagnosis. 1: select native pooling."
        },
        {
          "name": "SHARDFLUX_PREWAKE",
          "format": "string",
          "default": "off",
          "description": "Offer explicit workspace_hint for tool input streaming (on or off)."
        }
      ]
    }
  ],
  "websiteUrl": "https://docs.shardflux.dev/reference/mcp",
  "description": "Persistent cloud workspaces for AI agents: run commands, edit files, use git and a browser."
}