CARBON

MCP server · installable · v1.32.22-free.17 · io.github.jarbon/carbon

NEW · 1h agoSeen in the registry 18m ago

AI testing harness with Jay: risk-based checks, bug investigation, and local evidence reports.

What it does

CARBON is an MCP server, a connector that lets an AI assistant use it as a tool. It is installed locally as a package and runs on your machine.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence) and are not a test of the tool.

At a glance

Hosted (remote)NO

Local installYES

Version1.32.22-free.17

Packagesnpm

PriceNot in the registry

First seen22 Oct 2026

Last checked18m ago

How to connect

As declared in the Official MCP Registry · not tested by Electra Index

Install package

NPM @testers-ai/carbon-mcp v1.32.22-free.17 · runs locally (stdio)

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "carbon-3": {
      "command": "npx",
      "args": [
        "-y",
        "@testers-ai/carbon-mcp"
      ]
    }
  }
}

Facts & evidence

Each fact shows where it was seen and when.

Fact	Value	Evidence	Source	Last confirmed
Install package	@testers-ai/carbon-mcp	DECLARED	SRC-001 Official MCP Registry	18m ago
Package registries	npm	DECLARED	SRC-001 Official MCP Registry	18m ago
Local install (package)	yes	DECLARED	SRC-001 Official MCP Registry	18m ago
Remote access (hosted)	no	DECLARED	SRC-001 Official MCP Registry	18m ago
Website	https://testers.ai/carbon/	DECLARED	SRC-001 Official MCP Registry	18m ago
Repository	https://github.com/jarbon/carbon-free	DECLARED	SRC-001 Official MCP Registry	18m ago
Registry status	active	DECLARED	SRC-001 Official MCP Registry	18m ago
Version	1.32.22-free.17	DECLARED	SRC-001 Official MCP Registry	18m ago
MCP server	yes	DECLARED	SRC-001 Official MCP Registry	18m ago

Change history

NEW22 Oct 2026
first seen in the index

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Questions about CARBON

How do I connect CARBON?

Install the npm package @testers-ai/carbon-mcp. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.