foundry-rest-api-mcp-server

An MCP server that wraps the ThreeHats Foundry VTT REST API relay so an LLM agent can author and manage Foundry VTT content, primarily creating D&D 5e creatures, through native MCP tools.

→ PhillypHenning/foundry-rest-api-mcp-server · listed on glama

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// key findings

🚨

Secret credentials may flow to a network call

2 flows detected: TEST_API_KEY. We can’t prove the destination matches the brand the credential belongs to.

🚨

Known vulnerabilities in dependencies: 2 critical

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

🔐

You'll be asked for 2 credentials: FOUNDRY_API_KEY, TEST_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 critical1 low

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

criticalvitest@1.6.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@1.6.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

lowtsup@8.0.0GHSA-3mv9-4h5g-vhg3

tsup DOM Clobbering vulnerability

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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.

🔐 secretFOUNDRY_API_KEY— yes — Sent as the x-api-key header. Must include all five v1 scopes (see below).

configFOUNDRY_CLIENT_ID— no auto-resolves Which connected world to target. Auto-resolves when exactly one world is online.

configFOUNDRY_RELAY_URL— no https://foundryrestapi.com Relay base URL. Set to http://localhost:3010 for a self-hosted relay.

configFOUNDRY_USER_ID— no GM-level Scope actions to a Foundry user's permissions. Omit for GM access.

🔐 secretTEST_API_KEY

configTEST_BASE_URL

configTEST_CLIENT_ID_V12

configTEST_CLIENT_ID_V13

// 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 3 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/phillyphenning-foundry-rest-api-mcp-server-12l5hy)](https://m8ven.ai/mcp/phillyphenning-foundry-rest-api-mcp-server-12l5hy)

commit: ef3696cdc838da8fc2cf64dbabf1e132139bd0e3

code hash: bbb0094b867086e261981c0484d4a1088ffded6e6e6455bed5b6fb215d8e3dbe

verified: 6/22/2026, 1:22:19 PM

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