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io.github.cyanheads/pubchem-mcp-server

io.github.cyanheads/pubchem-mcp-server

by io.github.cyanheads· v0.8.1Source: Official MCP Registry
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VersionRegistry status
0.8.1latestActive
0.8.0Active
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Version details

Version
0.8.1
Source
Source: Official MCP Registry
Published
Registry last updated
First observed by Squatch
Content fingerprint
f04b3952ba3717e0c75fe7682642a060386b82045de9cf545bcfcacb8fd631a7

Transports in this version

  • remotestreamable-httphttps://pubchem.caseyjhand.com/mcpNo authentication
  • packagestdionpm @cyanheads/pubchem-mcp-serverUnknown
  • packagestreamable-httpnpm @cyanheads/pubchem-mcp-serverUnknown
Registry metadata (server.json, sanitized)
{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-11T07:33:23.858623Z",
      "publishedAt": "2026-11-11T07:33:23.858623Z",
      "statusChangedAt": "2026-11-11T07:33:23.858623Z"
    }
  },
  "server": {
    "name": "io.github.cyanheads/pubchem-mcp-server",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://pubchem.caseyjhand.com/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "0.8.1",
    "packages": [
      {
        "version": "0.8.1",
        "transport": {
          "type": "stdio"
        },
        "identifier": "@cyanheads/pubchem-mcp-server",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "MCP_LOG_LEVEL",
            "format": "string",
            "default": "info",
            "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
          }
        ]
      },
      {
        "version": "0.8.1",
        "transport": {
          "url": "http://localhost:3010/mcp",
          "type": "streamable-http"
        },
        "identifier": "@cyanheads/pubchem-mcp-server",
        "runtimeHint": "npx",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "MCP_TRANSPORT_TYPE",
            "value": "http",
            "format": "string",
            "description": "Selects the HTTP transport."
          },
          {
            "name": "MCP_SESSION_MODE",
            "format": "string",
            "default": "stateless",
            "description": "HTTP session mode: stateless, stateful, or auto. Stateless is sufficient for PubChem; auto resolves to stateful."
          },
          {
            "name": "MCP_HTTP_HOST",
            "format": "string",
            "default": "127.0.0.1",
            "description": "The hostname for the HTTP server."
          },
          {
            "name": "MCP_HTTP_PORT",
            "format": "string",
            "default": "3010",
            "description": "The port to run the HTTP server on."
          },
          {
            "name": "MCP_HTTP_ENDPOINT_PATH",
            "format": "string",
            "default": "/mcp",
            "description": "The endpoint path for the MCP server."
          },
          {
            "name": "MCP_AUTH_MODE",
            "format": "string",
            "default": "none",
            "description": "Authentication mode to use: 'none', 'jwt', or 'oauth'."
          },
          {
            "name": "MCP_LOG_LEVEL",
            "format": "string",
            "default": "info",
            "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/cyanheads/pubchem-mcp-server",
      "source": "github"
    },
    "description": "Search PubChem compounds, properties, safety data, bioactivity, and cross-references."
  }
}