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Developer tools · MCP server

MCP observatory: MCP server, setup and security

MCP observatory is an open-source MCP server that lets an AI agent test configured MCP servers and detect changes in their schemas. Its repository has 135 stars and its last commit is from October 21, 2026 and it is licensed under MIT.

Score
71/100
Adoption (stars) 21/40
Maintenance 30/30
Framework (licence, registry, official) 20/30
Actively maintained

What MCP observatory does

According to its repository: “Regression testing for MCP servers: discovers configured servers, checks capabilities, invokes tools, detects schema drift and recommends new servers.”

An MCP server gives an AI agent extra tools it calls during the conversation: the agent reads their description, decides to use them and gets the result back. MCP observatory is listed under Developer tools, a category of 475 servers in the directory, where it ranks #156 by stars.

Topics declared by the repository: cli, regression-testing, ai-agent, developer-tools, schema-drift, github-action.

Installing and connecting MCP observatory

Distribution modes declared in the official MCP registry:

  • npm package (Node.js, usually started with npx)

Like any MCP server, you declare it in your client's configuration (Claude Desktop, Claude Code, Cursor, VS Code, Codex…): a name, the command that starts it or its URL, and any environment variables. The client then starts it and lists its tools. Project language: TypeScript. Listed systems: macOS, Windows, Linux.

Security: what to check

An MCP server runs code with the rights you give it, and the model reads its tool descriptions: a malicious or compromised server can hijack the agent. Read the code, or pick a maintained and widely used server, before connecting it.

None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to MCP observatory. That does not replace reading the code.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on March 19, 2026, the KryptosAI/mcp-observatory repository has 135 stars and 15 forks, with 7 open issues. It has more stars than 71% of the servers in the directory. It received changes this month. Version published in the registry: 1.36.1 (July 25, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

StorybookStorybook : 91.4K91.4KFront End ChecklistFront End Checklist : 74.6K74.6KTldrawTldraw : 51.1K51.1KCodebase MemoryCodebase Memory : 47.4K47.4KCCXTCCXT : 44.5K44.5KPostHog MCP ServerPostHog MCP Server : 40.4K40.4KClaude task masterClaude task master : 28.3K28.3KAgent Skills Search ServerAgent Skills Search Server : 26.6K26.6KMCP observatoryMCP observatory : 135135
GitHub stars of the most followed servers in the category (log scale); MCP observatory in orange. Checked October 25, 2026.

Verdict

MCP observatory is a reasonable choice; check the points below before connecting it.

Strengths

  • Active project: recent commit
  • Listed in the official MCP registry
  • Permissive licence (MIT)

Frequently asked questions

How do I install MCP observatory?

MCP observatory is distributed as npm package (Node.js, usually started with npx). Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of KryptosAI/mcp-observatory.

Is MCP observatory free?

The code is published under the MIT licence and can be used free of charge.

Is MCP observatory safe?

No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.

Is it an official server?

Nothing says so: it is a project published by KryptosAI on GitHub. Check who maintains it before giving it access.

What are the alternatives to MCP observatory?

In the same category: Radar Kubernetes MCP Server, Repowise, Jscpd, and Apify MCP server. Radar Kubernetes MCP Server and Repowise score higher on our grid.

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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score