io.github.KryptosAI/mcp-observatory

@kryptosai/mcp-observatory

Regression testing for MCP servers. Checks capabilities, invokes tools, detects schema drift.

158 3.4k/wk 4 tools GitHub npm

No known CVEs

MIT license

Actively maintained

Last commit 1d ago

Works with most clients

Transport: stdio, sse, http

4 tools · ~177 tok

Grade A · 0.1% of 200K ctx

MCPpedia last refreshed this data 21h ago

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io.github.KryptosAI/mcp-observatory is an MCP server that regression testing for MCP servers. Checks capabilities, invokes tools, detects schema drift. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 94/100 on MCPpedia's security, maintenance and efficiency rubric.

Developer Tools Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-observatory": {
      "args": [
        "-y",
        "@kryptosai/mcp-observatory",
        "serve"
      ],
      "command": "npx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-kryptosai-mcp-observatory)](https://mcppedia.org/s/io-github-kryptosai-mcp-observatory)

Read me

What io.github.KryptosAI/mcp-observatory does

The first testing tool that is itself an MCP server. Your AI agent can scan, test, record, replay, and verify other MCP servers autonomously — catching regressions, schema drift, and security issues without human intervention.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y '@kryptosai/mcp-observatory' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

94/100across 5 weighted dimensions

How we score →

0255075100

−6

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked @kryptosai/mcp-observatory against OSV.dev.

Inventory

Tools (4)

Click any tool to inspect its schema.

~177 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.KryptosAI/mcp-observatory safe to use?: io.github.KryptosAI/mcp-observatory has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install io.github.KryptosAI/mcp-observatory?: io.github.KryptosAI/mcp-observatory supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.KryptosAI/mcp-observatory do?: io.github.KryptosAI/mcp-observatory provides 4 tools: scan, check_server, record, replay. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.KryptosAI/mcp-observatory?: io.github.KryptosAI/mcp-observatory is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.KryptosAI/mcp-observatory actively maintained?: io.github.KryptosAI/mcp-observatory is actively maintained — last commit was 1 day ago. It has 158 GitHub stars.

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Frequently Asked Questions

Is io.github.KryptosAI/mcp-observatory safe to use?

io.github.KryptosAI/mcp-observatory has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.

How do I install io.github.KryptosAI/mcp-observatory?

io.github.KryptosAI/mcp-observatory supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.KryptosAI/mcp-observatory do?

io.github.KryptosAI/mcp-observatory provides 4 tools: scan, check_server, record, replay. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.KryptosAI/mcp-observatory?

io.github.KryptosAI/mcp-observatory is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is io.github.KryptosAI/mcp-observatory actively maintained?

io.github.KryptosAI/mcp-observatory is actively maintained — last commit was 1 day ago. It has 158 GitHub stars.