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Look up exact reference codes for countries, currencies, HTTP statuses, and MIME types.
This MCP tool appears narrowly scoped to reference code lookup and requires no secrets; however, it connects to a remote endpoint and has no auditable source code, so the overall posture is low-to-moderate risk with caution around network egress and supply-chain transparency.
The material explicitly states that no keys or environment variables are required. There is no indication of API keys, OAuth tokens, or other sensitive local credentials being requested, so credential exposure risk appears low.
System checks show it connects to codebook-mcp.dokasukadon.workers.dev. Given its MCP nature, user queries may be sent to that remote service; the endpoint is declared, but with no README the scope of transmitted data and logging/retention practices are not transparent.
The system flags this tool as executes-code, indicating it has the normal MCP ability to run a process and handle requests. The provided material does not show requests for system privileges beyond its stated function, so this is best treated as standard execution capability with caution.
The description is limited to reference lookups for countries, currencies, HTTP status codes, and MIME types. There is no stated need to read local files, write to disk, access databases, or use additional resources; no obvious excessive data access is indicated.
Positive factors include distribution via an official registry and updates within the last year. However, there is no open-source repository, no declared license, very low community adoption, and no source available for audit, so supply-chain transparency is limited and warrants caution.
Copy the install command and let the AI configure it · recommended for beginners
Please install the "io.github.nexus-api-lab/codebook-mcp" MCP server from askskill: Run: claude mcp add --transport http 'io-github-nexus-api-lab-codebook-mcp' 'https://codebook-mcp.dokasukadon.workers.dev/mcp'
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No documentation provided
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