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Remote MCP Server Tester
Inspect any remote MCP server — quality, cost, and security
MCP Server Tester is an open-source, browser-based tool for inspecting remote MCP servers before you wire them into an agent. Paste a URL to list tools, resources, and prompts, plus: - LLM Readiness Score (A–F) for tool-schema quality - Tool-poisoning & rug-pull detection (heuristic) - Per-request token cost estimates - OAuth / auth inspector - Compare mode for two servers - Exportable Markdown / JSON reports with secret redaction Runs locally or as a hosted demo. MIT-licensed, no signup.
I build and debug MCP servers, and I kept hitting the same problem: I'd wire a remote server into an agent and only afterwards find out its tool schemas were vague, its token cost was huge, or a description had something odd buried in it.
So I built this for myself — a way to *evaluate* a server, not just browse it. What it does:
📊 Readiness & Quality Score: Evaluates schemas and efficiency before you integrate.
🛡️ Heuristic Security Checks: Detects potential tool-poisoning and rug-pull attempts.
📄 Exportable Reports: Share server health checks with your team.
It's honest about its limits: the security checks are heuristic and pattern-based — they catch known tricks, but a passing score doesn't mean a server is safe. I've tried to document that clearly rather than oversell it.
I'd genuinely love feedback — especially on the readiness-score dimensions and the poisoning heuristics, since those involve the most judgment calls.
“Inspect any remote MCP server — quality, cost, and security”
Remote MCP Server Tester was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #54 on the daily leaderboard. MCP Server Tester is an open-source, browser-based tool for inspecting remote MCP servers before you wire them into an agent. Paste a URL to list tools, resources, and prompts, plus: - LLM Readiness Score (A–F) for tool-schema quality - Tool-poisoning & rug-pull detection (heuristic) - Per-request token cost estimates - OAuth / auth inspector - Compare mode for two servers - Exportable Markdown / JSON reports with secret redaction Runs locally or as a hosted demo. MIT-licensed, no signup.
On the analytics side, Remote MCP Server Tester competes within Developer Tools, Artificial Intelligence and GitHub — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Remote MCP Server Tester performed against the three products that launched closest to it on the same day.
Who hunted Remote MCP Server Tester?
Remote MCP Server Tester was hunted by ytkoka. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Remote MCP Server Tester including community comment highlights and product details, visit the product overview.
ytkoka
I build and debug MCP servers, and I kept hitting the same problem: I'd wire a remote server into an agent and only afterwards find out its tool schemas were
vague, its token cost was huge, or a description had something odd buried in it.
So I built this for myself — a way to *evaluate* a server, not just browse it.
What it does:
📊 Readiness & Quality Score: Evaluates schemas and efficiency before you integrate.
🛡️ Heuristic Security Checks: Detects potential tool-poisoning and rug-pull attempts.
🔑 OAuth Inspector: Validates authentication setups seamlessly.
📄 Exportable Reports: Share server health checks with your team.
It's honest about its limits: the security checks are heuristic and pattern-based — they catch known tricks, but a passing score doesn't mean a server is safe. I've tried to document that clearly rather than oversell it.
I'd genuinely love feedback — especially on the readiness-score dimensions and the poisoning heuristics, since those involve the most judgment calls.
🔗 Live demo (no signup): https://mcp-tester-gsei.onrender.com/
💻 Source (MIT): https://github.com/ytkoka/mcp-tester