Koskamo

gcf-proxy MCP

A bidirectional MCP proxy that translates between JSON and GCF formats, reducing token usage by 53-71% without requiring code changes to existing servers or clients. It supports both local stdio and remote HTTP deployments, offering session deduplication and caching to optimize structured data transmission for AI agents.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

gcf-proxy MCP logo, by blackwell-systemsCommunity listingLocal stdioSource reviewed; not executedPublished by blackwell-systems
Vendor documentation

What you can do with it

  • Wrap any MCP server to convert JSON responses to GCF mid-flight
  • Deploy as a local stdio proxy in MCP client configurations
  • Run as a remote HTTP service for Streamable HTTP MCP servers
  • Reduce token consumption for structured data tool calls

Source and maintenance

Community listingRegistry 0.10.2
mcp-registry: io.github.blackwell-systems/gcf-proxy@0.10.2Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@blackwell-systems/gcf-proxy 0.10.2

npm
@blackwell-systems/gcf-proxy package definition
{
  "version": "0.10.2",
  "transport": "stdio",
  "identifier": "@blackwell-systems/gcf-proxy",
  "registryType": "npm"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "gcf-proxy-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@blackwell-systems/gcf-proxy@0.10.2"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "gcf-proxy-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@blackwell-systems/gcf-proxy@0.10.2"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "gcf-proxy-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@blackwell-systems/gcf-proxy@0.10.2"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "gcf-proxy-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@blackwell-systems/gcf-proxy@0.10.2"
      ]
    }
  }
}

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