Swarm MCP

Item: Swarm MCP
Rating: 64
Author: M8ven

MCP server for Ethereum Swarm decentralized storage. Provides 12 tools for uploading and downloading data and files, managing postage stamp batches, and working with Swarm feeds — all via the Bee API. Works with the public Swarm gateway or a local Bee node.

→ ethersphere/swarm-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.13.2GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.13.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.13.2GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configAUTO_ASSIGN_STAMP— boolean optional Whether to automatically assign a postage stamp if none is provided. Default value is: true. Set to false to disable automatic stamp assignment.

configBEE_API_URL— e ="http://localhost:1633" \

configBEE_FEED_PK— string optional (cannot update feed without it) The private key of the Swarm Feed to use. If not provided, Swarm Feed functionality will be disabled.

configDEFERRED_UPLOAD_SIZE_THRESHOLD_MB— number optional Size threshold in megabytes for deferred uploads. Files larger than this size will be uploaded asynchronously. Default value is: 5 (MB).

configHOST

configPORT

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/ethersphere-swarm-mcp-1hafcr)](https://m8ven.ai/mcp/ethersphere-swarm-mcp-1hafcr)

commit: 41de6ff9e106d770fea7fdf22f93a63a73695ce0

code hash: 3669a45a3e10598248d6ef97b3b6b136dc1ddee23da755781f26fde57783edf3

verified: 6/17/2026, 11:58:54 AM

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