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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "s3": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "AWS_ACCESS_KEY_ID": "${AWS_ACCESS_KEY_ID}",
        "AWS_SECRET_ACCESS_KEY": "${AWS_SECRET_ACCESS_KEY}",
        "AWS_REGION": "us-east-1",
        "S3_FORCE_PATH_STYLE": "false",
        "SKIP_HEALTH_CHECKS": "false"
      }
    }
  }
}

claude mcp add s3 -e "AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}" -e "AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}" -e "AWS_REGION=us-east-1" -e "S3_FORCE_PATH_STYLE=false" -e "SKIP_HEALTH_CHECKS=false" -- npx -y [email protected]

[mcp_servers.s3]
command = "npx"
args = ["-y", "[email protected]"]
env = { "AWS_ACCESS_KEY_ID" = "${AWS_ACCESS_KEY_ID}", "AWS_SECRET_ACCESS_KEY" = "${AWS_SECRET_ACCESS_KEY}", "AWS_REGION" = "us-east-1", "S3_FORCE_PATH_STYLE" = "false", "SKIP_HEALTH_CHECKS" = "false" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "s3": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "[email protected]"
      ],
      "enabled": true,
      "environment": {
        "AWS_ACCESS_KEY_ID": "{env:AWS_ACCESS_KEY_ID}",
        "AWS_SECRET_ACCESS_KEY": "{env:AWS_SECRET_ACCESS_KEY}",
        "AWS_REGION": "us-east-1",
        "S3_FORCE_PATH_STYLE": "false",
        "SKIP_HEALTH_CHECKS": "false"
      }
    }
  }
}

{
  "mcpServers": {
    "s3": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "AWS_ACCESS_KEY_ID": "${AWS_ACCESS_KEY_ID}",
        "AWS_SECRET_ACCESS_KEY": "${AWS_SECRET_ACCESS_KEY}",
        "AWS_REGION": "us-east-1",
        "S3_FORCE_PATH_STYLE": "false",
        "SKIP_HEALTH_CHECKS": "false"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=s3&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsInMzLWF3cy1tY3Atc2VydmVyQDAuMC41Il0sImVudiI6eyJBV1NfQUNDRVNTX0tFWV9JRCI6IiR7QVdTX0FDQ0VTU19LRVlfSUR9IiwiQVdTX1NFQ1JFVF9BQ0NFU1NfS0VZIjoiJHtBV1NfU0VDUkVUX0FDQ0VTU19LRVl9IiwiQVdTX1JFR0lPTiI6InVzLWVhc3QtMSIsIlMzX0ZPUkNFX1BBVEhfU1RZTEUiOiJmYWxzZSIsIlNLSVBfSEVBTFRIX0NIRUNLUyI6ImZhbHNlIn19"
}

{
  "servers": {
    "s3": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "AWS_ACCESS_KEY_ID": "${AWS_ACCESS_KEY_ID}",
        "AWS_SECRET_ACCESS_KEY": "${AWS_SECRET_ACCESS_KEY}",
        "AWS_REGION": "us-east-1",
        "S3_FORCE_PATH_STYLE": "false",
        "SKIP_HEALTH_CHECKS": "false"
      }
    }
  }
}

{
  "mcpServers": {
    "s3": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "AWS_ACCESS_KEY_ID": "${AWS_ACCESS_KEY_ID}",
        "AWS_SECRET_ACCESS_KEY": "${AWS_SECRET_ACCESS_KEY}",
        "AWS_REGION": "us-east-1",
        "S3_FORCE_PATH_STYLE": "false",
        "SKIP_HEALTH_CHECKS": "false"
      }
    }
  }
}

extensions:
  "s3":
    enabled: true
    name: "s3"
    type: stdio
    cmd: "npx"
    args:
      - "-y"
      - "[email protected]"
    envs:
      "AWS_ACCESS_KEY_ID": "${AWS_ACCESS_KEY_ID}"
      "AWS_SECRET_ACCESS_KEY": "${AWS_SECRET_ACCESS_KEY}"
      "AWS_REGION": "us-east-1"
      "S3_FORCE_PATH_STYLE": "false"
      "SKIP_HEALTH_CHECKS": "false"
    timeout: 300

Placeholders to fill from your own secret store: ${AWS_ACCESS_KEY_ID}, ${AWS_SECRET_ACCESS_KEY}. 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

dependencies67 · weight 15

pass
deps.known_vulnsno known advisory in 124 resolved packages
fail
deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
pass
deps.resolvable[email protected] resolved: 124 packages

Tool list unknown · checked 2026-10-20 06:49 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 74 / 100

duplicate-repo

provenance90

livenessn/a

freshness65

hygiene60

+repository +namespace-matches-repo +dns-namespace ~liveness-unmeasured ~updated-128d-ago -duplicate-repo(28 names)

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

Dependencies

[email protected] npm123 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisory	severity	package	fixed in
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server	high	`@modelcontextprotocol/[email protected]`MCP SDK, direct	fixed in `1.31.0`

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

package	registry	version	runtime	secrets
`s3-aws-mcp-server`	npm	0.0.5	npx	`AWS_ACCESS_KEY_ID`, `AWS_SECRET_ACCESS_KEY`

Tools (0)

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

Schemas: list_tools.

Also listed as

27 other active names share this repository (showing 10): com.pulsemcp/appsignal, com.pulsemcp/dynamodb, com.pulsemcp/fetchpet, com.pulsemcp/fly-io, com.pulsemcp/gcs, com.pulsemcp/gmail, com.pulsemcp/good-eggs, com.pulsemcp/google-calendar, com.pulsemcp/google-docs, com.pulsemcp/google-flights

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Official server.json

{
  "name": "com.pulsemcp/s3",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
  "version": "0.0.5",
  "packages": [
    {
      "version": "0.0.5",
      "transport": {
        "type": "stdio"
      },
      "identifier": "s3-aws-mcp-server",
      "runtimeHint": "npx",
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "runtimeArguments": [
        {
          "type": "positional",
          "value": "-y"
        }
      ],
      "environmentVariables": [
        {
          "name": "AWS_ACCESS_KEY_ID",
          "isSecret": true,
          "isRequired": true,
          "description": "AWS access key ID for authentication."
        },
        {
          "name": "AWS_SECRET_ACCESS_KEY",
          "isSecret": true,
          "isRequired": true,
          "description": "AWS secret access key for authentication."
        },
        {
          "name": "AWS_REGION",
          "default": "us-east-1",
          "description": "AWS region for S3 operations."
        },
        {
          "name": "AWS_ENDPOINT_URL",
          "description": "Custom S3 endpoint URL for MinIO or S3-compatible services."
        },
        {
          "name": "S3_FORCE_PATH_STYLE",
          "default": "false",
          "description": "Use path-style addressing instead of virtual-hosted-style."
        },
        {
          "name": "S3_BUCKET",
          "description": "Constrain all operations to a single bucket."
        },
        {
          "name": "S3_ENABLED_TOOLGROUPS",
          "description": "Comma-separated tool groups: readonly or readwrite."
        },
        {
          "name": "S3_ENABLED_TOOLS",
          "description": "Whitelist specific tools by name."
        },
        {
          "name": "S3_DISABLED_TOOLS",
          "description": "Blacklist specific tools by name."
        },
        {
          "name": "SKIP_HEALTH_CHECKS",
          "default": "false",
          "description": "Skip AWS credential validation health checks at startup."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/pulsemcp/mcp-servers",
    "source": "github",
    "subfolder": "experimental/s3"
  },
  "description": "MCP server for AWS S3 with fine-grained tool control and S3-compatible endpoint support."
}