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mcp-chat-studio

A powerful MCP testing tool with multi-provider LLM support (Ollama, OpenAI, Claude, Gemini). Test, debug, and develop MCP servers with a modern UI.

→ JoeCastrom/mcp-chat-studio· listed on github_topic
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// key findings
⚠️
Known vulnerabilities in dependencies: 16 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.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 10 credentials: ANTHROPIC_API_KEY, AZURE_OPENAI_API_KEY, GOOGLE_API_KEY, GROQ_API_KEY, LLM_API_KEY, OAUTH_CLIENT_SECRET, OAUTH_TOKEN_KEY, OPENAI_API_KEY, OPENROUTER_API_KEY, TOGETHER_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies16 high2 medium12 low

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

high@modelcontextprotocol/sdk@1.25.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.25.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

highaxios@1.6.0GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.6.0GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.6.0GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

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.
configALLOW_REMOTE— false Required if HOST=0.0.0.0. Prevents accidental network exposure.
🔐 secretANTHROPIC_API_KEY— sk-ant-your-key
🔐 secretAZURE_OPENAI_API_KEY
configAZURE_OPENAI_API_VERSION
configAZURE_OPENAI_DEPLOYMENT— your-deployment-name
configAZURE_OPENAI_ENDPOINT
configCORS_ORIGINS— localhost Comma-separated list of allowed origins for CORS.
configENABLE_SCRIPTS— false Enable script execution (ScriptRunner, JS workflow nodes). Disabled by default for security.
🔐 secretGOOGLE_API_KEY— your-google-key
🔐 secretGROQ_API_KEY— gsk_your-key
configHEALTHCHECK_PORT
configHOST— 127.0.0.1 Server bind address. Defaults to localhost only.
configKEYCLOAK_REALM
configKEYCLOAK_URL
configLLM_ALLOWED_PROVIDERS— ollama,openai,custom
🔐 secretLLM_API_KEY
configLLM_BASE_URL
configLLM_PROVIDER_ALLOWLIST
configMCP_SANDBOX_ENGINE— vm2 # Optional: set to isolated-vm if installed
configOAUTH_AUTHORIZE_URL
configOAUTH_CLIENT_ID— client_id: '${}'
🔐 secretOAUTH_CLIENT_SECRET— client_secret: '${}'
configOAUTH_DISABLE_SSL_VERIFY— true # Dev only (self-signed/internal PKI)
configOAUTH_LOGOUT_URL
configOAUTH_REDIRECT_URI
🔐 secretOAUTH_TOKEN_KEY— 🔐 OAuth token storage - Set to persist tokens encrypted in data/oauth-tokens.json (memory-only if unset). Use Redis/DB for multi-user production.
configOAUTH_TOKEN_URL
configOAUTH_USERINFO_URL
configOLLAMA_HOST
🔐 secretOPENAI_API_KEY— sk-your-key
🔐 secretOPENROUTER_API_KEY
configPORT
🔐 secretTOGETHER_API_KEY
// 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/joecastrom-mcp-chat-studio-1591qq)](https://m8ven.ai/mcp/joecastrom-mcp-chat-studio-1591qq)
commit: 59a352437374aba2cbb95e5f3dbe2d3b2f5c1a84
code hash: 5bb6632b4a5e385fcffdb7f341bc5f4ea42873607b350ae3df7f1ab5cfa01d47
verified: 6/15/2026, 1:33:55 PM
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