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10 days ago
glama

slack-mcp

MCP server that exposes Slack Web API operations as tools, enabling users to list conversations, read history, post messages, and call any Slack Web API method.

→ LesterAJohn/slack-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.
🔐
You'll be asked for 2 credentials: MCP_ADMIN_AUTH_KEY, VAULT_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// 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@1.17.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.17.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.17.1GHSA-w48q-cv73-mx4w

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

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configAPP_NAME
🔐 secretMCP_ADMIN_AUTH_KEY— If is set, mutating tools require authorizationKey.
configMCP_CONFIG_DEFAULT_USER_ID
configMCP_HTTP_TLS_CERT_PATH
configMCP_HTTP_TLS_KEY_PATH
configMCP_HTTP_VAULT_TOKEN_INDEX_PATH
configMCP_SERVER_NAME— (default: slack-mcp)
configMCP_SERVER_VERSION
configVAULT_ADDR
configVAULT_AGENT_AUTH_MODE
configVAULT_AGENT_ENABLED
configVAULT_AGENT_LISTENER_ADDR
configVAULT_AGENT_LISTENER_ENABLED
configVAULT_AGENT_TOKEN_FILE_PATH
configVAULT_KV_MOUNT
🔐 secretVAULT_TOKEN
configVAULT_WRITE_RETRY_ATTEMPTS
configVAULT_WRITE_RETRY_BASE_DELAY_MS
configVAULT_WRITE_RETRY_MAX_DELAY_MS
// 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 6 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/lesterajohn-slack-mcp-n2050t)](https://m8ven.ai/mcp/lesterajohn-slack-mcp-n2050t)
commit: b8f94938c433c7a5ef17bf4245c2708c45a9537b
code hash: 019a571f7b3cb2fd809d403c84c7a808fb53f78fd3cb7cb8e0ce465272187bde
verified: 7/21/2026, 9:11:44 AM
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