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Bitwarden Public API and Secrets Manager (unofficial)

L0· runs locally

Unofficial MCP server for the Bitwarden Public API and Secrets Manager, self-hosted or cloud.

v0.3.1 · active · repository · website · descriptor JSON · versions

Runs on your machine: something must execute the package.Only local packages are published (npm, PyPI, OCI, …). The registry never executes them, so tools are unknown until you run it.
Quality–not scored
Trust96of 100
Packages1
Tools seen0

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "the-real-bitwarden-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "BITWARDEN_SELFHOST_CLIENT_SECRET": "${BITWARDEN_SELFHOST_CLIENT_SECRET}",
        "BITWARDEN_CLOUD_CLIENT_SECRET": "${BITWARDEN_CLOUD_CLIENT_SECRET}",
        "BWS_ACCESS_TOKEN": "${BWS_ACCESS_TOKEN}",
        "BITWARDEN_CONFIRM_WRITES": "true",
        "BITWARDEN_READ_ONLY": "false",
        "LOG_LEVEL": "warn",
        "BW_MCP_MAX_RESPONSE_BYTES": "1048576"
      }
    }
  }
}
claude mcp add the-real-bitwarden-mcp -e "BITWARDEN_SELFHOST_CLIENT_SECRET=${BITWARDEN_SELFHOST_CLIENT_SECRET}" -e "BITWARDEN_CLOUD_CLIENT_SECRET=${BITWARDEN_CLOUD_CLIENT_SECRET}" -e "BWS_ACCESS_TOKEN=${BWS_ACCESS_TOKEN}" -e "BITWARDEN_CONFIRM_WRITES=true" -e "BITWARDEN_READ_ONLY=false" -e "LOG_LEVEL=warn" -e "BW_MCP_MAX_RESPONSE_BYTES=1048576" -- npx -y [email protected]
[mcp_servers.the-real-bitwarden-mcp]
command = "npx"
args = ["-y", "[email protected]"]
env = { "BITWARDEN_SELFHOST_CLIENT_SECRET" = "${BITWARDEN_SELFHOST_CLIENT_SECRET}", "BITWARDEN_CLOUD_CLIENT_SECRET" = "${BITWARDEN_CLOUD_CLIENT_SECRET}", "BWS_ACCESS_TOKEN" = "${BWS_ACCESS_TOKEN}", "BITWARDEN_CONFIRM_WRITES" = "true", "BITWARDEN_READ_ONLY" = "false", "LOG_LEVEL" = "warn", "BW_MCP_MAX_RESPONSE_BYTES" = "1048576" }
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "the-real-bitwarden-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "[email protected]"
      ],
      "enabled": true,
      "environment": {
        "BITWARDEN_SELFHOST_CLIENT_SECRET": "{env:BITWARDEN_SELFHOST_CLIENT_SECRET}",
        "BITWARDEN_CLOUD_CLIENT_SECRET": "{env:BITWARDEN_CLOUD_CLIENT_SECRET}",
        "BWS_ACCESS_TOKEN": "{env:BWS_ACCESS_TOKEN}",
        "BITWARDEN_CONFIRM_WRITES": "true",
        "BITWARDEN_READ_ONLY": "false",
        "LOG_LEVEL": "warn",
        "BW_MCP_MAX_RESPONSE_BYTES": "1048576"
      }
    }
  }
}
{
  "mcpServers": {
    "the-real-bitwarden-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "BITWARDEN_SELFHOST_CLIENT_SECRET": "${BITWARDEN_SELFHOST_CLIENT_SECRET}",
        "BITWARDEN_CLOUD_CLIENT_SECRET": "${BITWARDEN_CLOUD_CLIENT_SECRET}",
        "BWS_ACCESS_TOKEN": "${BWS_ACCESS_TOKEN}",
        "BITWARDEN_CONFIRM_WRITES": "true",
        "BITWARDEN_READ_ONLY": "false",
        "LOG_LEVEL": "warn",
        "BW_MCP_MAX_RESPONSE_BYTES": "1048576"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=the-real-bitwarden-mcp&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsInRoZS1yZWFsLWJpdHdhcmRlbi1tY3BAMC4zLjEiXSwiZW52Ijp7IkJJVFdBUkRFTl9TRUxGSE9TVF9DTElFTlRfU0VDUkVUIjoiJHtCSVRXQVJERU5fU0VMRkhPU1RfQ0xJRU5UX1NFQ1JFVH0iLCJCSVRXQVJERU5fQ0xPVURfQ0xJRU5UX1NFQ1JFVCI6IiR7QklUV0FSREVOX0NMT1VEX0NMSUVOVF9TRUNSRVR9IiwiQldTX0FDQ0VTU19UT0tFTiI6IiR7QldTX0FDQ0VTU19UT0tFTn0iLCJCSVRXQVJERU5fQ09ORklSTV9XUklURVMiOiJ0cnVlIiwiQklUV0FSREVOX1JFQURfT05MWSI6ImZhbHNlIiwiTE9HX0xFVkVMIjoid2FybiIsIkJXX01DUF9NQVhfUkVTUE9OU0VfQllURVMiOiIxMDQ4NTc2In19"
}
{
  "servers": {
    "the-real-bitwarden-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "BITWARDEN_SELFHOST_CLIENT_SECRET": "${BITWARDEN_SELFHOST_CLIENT_SECRET}",
        "BITWARDEN_CLOUD_CLIENT_SECRET": "${BITWARDEN_CLOUD_CLIENT_SECRET}",
        "BWS_ACCESS_TOKEN": "${BWS_ACCESS_TOKEN}",
        "BITWARDEN_CONFIRM_WRITES": "true",
        "BITWARDEN_READ_ONLY": "false",
        "LOG_LEVEL": "warn",
        "BW_MCP_MAX_RESPONSE_BYTES": "1048576"
      }
    }
  }
}
{
  "mcpServers": {
    "the-real-bitwarden-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "BITWARDEN_SELFHOST_CLIENT_SECRET": "${BITWARDEN_SELFHOST_CLIENT_SECRET}",
        "BITWARDEN_CLOUD_CLIENT_SECRET": "${BITWARDEN_CLOUD_CLIENT_SECRET}",
        "BWS_ACCESS_TOKEN": "${BWS_ACCESS_TOKEN}",
        "BITWARDEN_CONFIRM_WRITES": "true",
        "BITWARDEN_READ_ONLY": "false",
        "LOG_LEVEL": "warn",
        "BW_MCP_MAX_RESPONSE_BYTES": "1048576"
      }
    }
  }
}
extensions:
  "the-real-bitwarden-mcp":
    enabled: true
    name: "the-real-bitwarden-mcp"
    type: stdio
    cmd: "npx"
    args:
      - "-y"
      - "[email protected]"
    envs:
      "BITWARDEN_SELFHOST_CLIENT_SECRET": "${BITWARDEN_SELFHOST_CLIENT_SECRET}"
      "BITWARDEN_CLOUD_CLIENT_SECRET": "${BITWARDEN_CLOUD_CLIENT_SECRET}"
      "BWS_ACCESS_TOKEN": "${BWS_ACCESS_TOKEN}"
      "BITWARDEN_CONFIRM_WRITES": "true"
      "BITWARDEN_READ_ONLY": "false"
      "LOG_LEVEL": "warn"
      "BW_MCP_MAX_RESPONSE_BYTES": "1048576"
    timeout: 300

Placeholders to fill from your own secret store: ${BITWARDEN_SELFHOST_CLIENT_SECRET}, ${BITWARDEN_CLOUD_CLIENT_SECRET}, ${BWS_ACCESS_TOKEN}. The registry never accepts secret values.

This is a local package: the command runs on your machine.

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.resolvabledeps.dev does not know [email protected]

Tool list unknown · checked 2026-11-07 17:28 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 96 / 100

provenance90
livenessn/a
freshness100
hygiene100

+repository +namespace-matches-repo +website ~liveness-unmeasured +updated-11d-ago

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

Dependencies

[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

packageregistryversionruntimesecrets
the-real-bitwarden-mcpnpm0.3.1npxBITWARDEN_SELFHOST_CLIENT_SECRET, BITWARDEN_CLOUD_CLIENT_SECRET, BWS_ACCESS_TOKEN

Tools (0)

No tools observed. Local packages are never executed by the registry.

Schemas: list_tools.

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More from io.github.mguttmann

Official server.json
{
  "name": "io.github.mguttmann/the-real-bitwarden-mcp",
  "title": "Bitwarden Public API and Secrets Manager (unofficial)",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "version": "0.3.1",
  "packages": [
    {
      "version": "0.3.1",
      "transport": {
        "type": "stdio"
      },
      "identifier": "the-real-bitwarden-mcp",
      "runtimeHint": "npx",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "BITWARDEN_SELFHOST_API_BASE",
          "format": "string",
          "description": "Self-hosted instance: API base URL, e.g. https://vault.example.com/api. Configure all four BITWARDEN_SELFHOST_* or all four BITWARDEN_CLOUD_* variables (or both); a partial set is fatal."
        },
        {
          "name": "BITWARDEN_SELFHOST_IDENTITY_URL",
          "format": "string",
          "description": "Self-hosted instance: identity URL, e.g. https://vault.example.com/identity."
        },
        {
          "name": "BITWARDEN_SELFHOST_CLIENT_ID",
          "format": "string",
          "description": "Self-hosted instance: organization Public API client id (organization.<uuid>)."
        },
        {
          "name": "BITWARDEN_SELFHOST_CLIENT_SECRET",
          "format": "string",
          "isSecret": true,
          "description": "Self-hosted instance: organization Public API client secret. It can manage members, groups, collections and policies, including creating Owners."
        },
        {
          "name": "BITWARDEN_CLOUD_API_BASE",
          "format": "string",
          "description": "Bitwarden Cloud: API base URL, e.g. https://api.bitwarden.com. Used for license and subscription tools."
        },
        {
          "name": "BITWARDEN_CLOUD_IDENTITY_URL",
          "format": "string",
          "description": "Bitwarden Cloud: identity URL, e.g. https://identity.bitwarden.com."
        },
        {
          "name": "BITWARDEN_CLOUD_CLIENT_ID",
          "format": "string",
          "description": "Bitwarden Cloud: organization Public API client id (organization.<uuid>)."
        },
        {
          "name": "BITWARDEN_CLOUD_CLIENT_SECRET",
          "format": "string",
          "isSecret": true,
          "description": "Bitwarden Cloud: organization Public API client secret."
        },
        {
          "name": "BWS_ACCESS_TOKEN",
          "format": "string",
          "isSecret": true,
          "description": "Optional: Secrets Manager machine account access token; enables the bws_* tools. A malformed token is fatal at startup."
        },
        {
          "name": "BWS_ORG_ID",
          "format": "string",
          "description": "Optional: organization UUID for the Secrets Manager tools, used when a call passes no organizationId."
        },
        {
          "name": "BWS_API_BASE",
          "format": "string",
          "description": "Optional: Secrets Manager API base URL; defaults to BITWARDEN_SELFHOST_API_BASE."
        },
        {
          "name": "BWS_IDENTITY_URL",
          "format": "string",
          "description": "Optional: Secrets Manager identity URL; defaults to BITWARDEN_SELFHOST_IDENTITY_URL."
        },
        {
          "name": "BITWARDEN_CONFIRM_WRITES",
          "format": "boolean",
          "default": "true",
          "description": "true: write tools return a preview unless the call carries confirm \"YES\". The model sets confirm itself, so this is friction, not a security boundary."
        },
        {
          "name": "BITWARDEN_READ_ONLY",
          "format": "boolean",
          "default": "false",
          "description": "true: write tools stay listed but refuse to run, and bw_raw_request allows GET only."
        },
        {
          "name": "LOG_LEVEL",
          "format": "string",
          "choices": [
            "debug",
            "info",
            "warn",
            "error"
          ],
          "default": "warn",
          "description": "Log level of the JSON log lines on stderr."
        },
        {
          "name": "BW_MCP_MAX_RESPONSE_BYTES",
          "format": "number",
          "default": "1048576",
          "description": "Successful tool output above this many bytes is cut to valid JSON with a responseTruncated marker that says how to narrow or page the query."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/mguttmann/the-real-bitwarden-mcp",
    "source": "github"
  },
  "websiteUrl": "https://github.com/mguttmann/the-real-bitwarden-mcp#readme",
  "description": "Unofficial MCP server for the Bitwarden Public API and Secrets Manager, self-hosted or cloud."
}