Koskamo

ALTWEB Context Loader MCP

An MCP server that loads signed ALTWEB context capsules into AI agents with verification before injection. It ensures content is returned only when the capsule is signed, the signature verifies, and the signer’s full public key is in the local trust file, refusing all other inputs.

Visit ALTWEB

Package and access

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

ALTWEB Context Loader MCP logo, by ALTWEBVendor evidenceLocal stdioSource reviewed; not executedOperated by ALTWEB
Vendor documentation

What you can do with it

  • Load and verify signed context capsules for AI agents
  • Check provenance of capsules without returning content
  • Manage the local trust file for authorized signers

Source and maintenance

Vendor evidenceRegistry 1.1.2
mcp-registry: software.altweb/altweb-context@1.1.2Source repositoryProject website
Maintenance checked

Packages and installation

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

altweb-context 1.1.2

npm
altweb-context package definition
{
  "version": "1.1.2",
  "transport": "stdio",
  "identifier": "altweb-context",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "ALTWEB_TRUST_FILE",
      "description": "Override the local trust file of allowed signer public keys (default: ~/.altweb/trusted-keys.json). A missing or empty trust file refuses every capsule."
    }
  ]
}

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": {
    "altweb-context-loader-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "altweb-context@1.1.2"
      ],
      "env": {
        "ALTWEB_TRUST_FILE": "<YOUR_ALTWEB_TRUST_FILE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "altweb-context-loader-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "altweb-context@1.1.2"
      ],
      "env": {
        "ALTWEB_TRUST_FILE": "<YOUR_ALTWEB_TRUST_FILE>"
      }
    }
  }
}

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": {
    "altweb-context-loader-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "altweb-context@1.1.2"
      ],
      "env": {
        "ALTWEB_TRUST_FILE": "<YOUR_ALTWEB_TRUST_FILE>"
      }
    }
  }
}

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": {
    "altweb-context-loader-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "altweb-context@1.1.2"
      ],
      "env": {
        "ALTWEB_TRUST_FILE": "<YOUR_ALTWEB_TRUST_FILE>"
      }
    }
  }
}

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