MCP server for IBM z/OS jobs, datasets, USS, and operational diagnostics via Zowe SDK.
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npx -y @notharshhaa/mainframe-mcp-server{
"ZOSMF_HOST": "YOUR_VALUE_HERE",
"ZOSMF_PORT": "YOUR_VALUE_HERE",
"ZOSMF_BASE_PATH": "YOUR_VALUE_HERE",
"ZOSMF_USER": "YOUR_VALUE_HERE",
"ZOSMF_PASSWORD": "YOUR_SECRET_VALUE",
"ZOSMF_TOKEN": "YOUR_SECRET_VALUE",
"ZOSMF_TOKEN_TYPE": "YOUR_VALUE_HERE",
"ZOSMF_REJECT_UNAUTHORIZED": "YOUR_VALUE_HERE",
"LOG_LEVEL": "YOUR_VALUE_HERE",
"MCP_TRANSPORT": "YOUR_VALUE_HERE",
"MCP_SSE_PORT": "YOUR_VALUE_HERE",
"MAX_JOB_OUTPUT_LINES": "YOUR_VALUE_HERE",
"MAX_DATASET_READ_LINES": "YOUR_VALUE_HERE",
"MAX_JES_SPOOL_FILES": "YOUR_VALUE_HERE",
"MAX_AUDIT_LINES": "YOUR_VALUE_HERE",
"CMCI_CONTEXT": "YOUR_VALUE_HERE",
"CMCI_HOST": "YOUR_VALUE_HERE",
"CMCI_PORT": "YOUR_VALUE_HERE",
"CMCI_BASE_PATH": "YOUR_VALUE_HERE",
"DB2_LOCATION": "YOUR_VALUE_HERE",
"DB2_HOST": "YOUR_VALUE_HERE",
"DB2_PORT": "YOUR_VALUE_HERE",
"DB2_BASE_PATH": "YOUR_VALUE_HERE",
"SMF_SUMMARY_DATASET": "YOUR_VALUE_HERE",
"RMF_METRICS_ENABLED": "YOUR_VALUE_HERE",
"RACF_AUDIT_USS_PATH": "YOUR_VALUE_HERE",
"RACF_AUDIT_DATASET": "YOUR_VALUE_HERE",
"SECURITY_READ_ONLY": "YOUR_VALUE_HERE",
"SECURITY_ALLOWED_TOOLS": "YOUR_VALUE_HERE",
"SECURITY_BLOCKED_TOOLS": "YOUR_VALUE_HERE",
"SECURITY_ALLOWED_DATASET_PATTERNS": "YOUR_VALUE_HERE",
"SECURITY_ALLOWED_USS_PATHS": "YOUR_VALUE_HERE",
"SECURITY_AUDIT_LOGGING": "YOUR_VALUE_HERE",
"SECURITY_MAX_JCL_BYTES": "YOUR_VALUE_HERE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-notharshhaa-mainframe-mcp-server": {
"command": "npx",
"args": [
"-y",
"@notharshhaa/mainframe-mcp-server"
],
"env": {
"ZOSMF_HOST": "YOUR_VALUE_HERE",
"ZOSMF_PORT": "YOUR_VALUE_HERE",
"ZOSMF_BASE_PATH": "YOUR_VALUE_HERE",
"ZOSMF_USER": "YOUR_VALUE_HERE",
"ZOSMF_PASSWORD": "YOUR_SECRET_VALUE",
"ZOSMF_TOKEN": "YOUR_SECRET_VALUE",
"ZOSMF_TOKEN_TYPE": "YOUR_VALUE_HERE",
"ZOSMF_REJECT_UNAUTHORIZED": "YOUR_VALUE_HERE",
"LOG_LEVEL": "YOUR_VALUE_HERE",
"MCP_TRANSPORT": "YOUR_VALUE_HERE",
"MCP_SSE_PORT": "YOUR_VALUE_HERE",
"MAX_JOB_OUTPUT_LINES": "YOUR_VALUE_HERE",
"MAX_DATASET_READ_LINES": "YOUR_VALUE_HERE",
"MAX_JES_SPOOL_FILES": "YOUR_VALUE_HERE",
"MAX_AUDIT_LINES": "YOUR_VALUE_HERE",
"CMCI_CONTEXT": "YOUR_VALUE_HERE",
"CMCI_HOST": "YOUR_VALUE_HERE",
"CMCI_PORT": "YOUR_VALUE_HERE",
"CMCI_BASE_PATH": "YOUR_VALUE_HERE",
"DB2_LOCATION": "YOUR_VALUE_HERE",
"DB2_HOST": "YOUR_VALUE_HERE",
"DB2_PORT": "YOUR_VALUE_HERE",
"DB2_BASE_PATH": "YOUR_VALUE_HERE",
"SMF_SUMMARY_DATASET": "YOUR_VALUE_HERE",
"RMF_METRICS_ENABLED": "YOUR_VALUE_HERE",
"RACF_AUDIT_USS_PATH": "YOUR_VALUE_HERE",
"RACF_AUDIT_DATASET": "YOUR_VALUE_HERE",
"SECURITY_READ_ONLY": "YOUR_VALUE_HERE",
"SECURITY_ALLOWED_TOOLS": "YOUR_VALUE_HERE",
"SECURITY_BLOCKED_TOOLS": "YOUR_VALUE_HERE",
"SECURITY_ALLOWED_DATASET_PATTERNS": "YOUR_VALUE_HERE",
"SECURITY_ALLOWED_USS_PATHS": "YOUR_VALUE_HERE",
"SECURITY_AUDIT_LOGGING": "YOUR_VALUE_HERE",
"SECURITY_MAX_JCL_BYTES": "YOUR_VALUE_HERE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
mainframe-mcp-server is an MCP server for MCP server for IBM z/OS jobs, datasets, USS, and operational diagnostics via Zowe SDK.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y @notharshhaa/mainframe-mcp-server; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y @notharshhaa/mainframe-mcp-server. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y @notharshhaa/mainframe-mcp-server. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y @notharshhaa/mainframe-mcp-server. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y @notharshhaa/mainframe-mcp-server. Add required environment variables before starting Cursor or VS Code.
mainframe-mcp-server uses STDIO transport. Use the package or command config in Install.
mainframe-mcp-server inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
mainframe-mcp-server is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
@notharshhaa/mainframe-mcp-serverstdio | npm | 2.5.0 | Env: ZOSMF_HOST required Env: ZOSMF_PORT Env: ZOSMF_BASE_PATH Env: ZOSMF_USER Env: ZOSMF_PASSWORD secret Env: ZOSMF_TOKEN secret Env: ZOSMF_TOKEN_TYPE Env: ZOSMF_REJECT_UNAUTHORIZED Env: LOG_LEVEL Env: MCP_TRANSPORT Env: MCP_SSE_PORT Env: MAX_JOB_OUTPUT_LINES Env: MAX_DATASET_READ_LINES Env: MAX_JES_SPOOL_FILES Env: MAX_AUDIT_LINES Env: CMCI_CONTEXT Env: CMCI_HOST Env: CMCI_PORT Env: CMCI_BASE_PATH Env: DB2_LOCATION Env: DB2_HOST Env: DB2_PORT Env: DB2_BASE_PATH Env: SMF_SUMMARY_DATASET Env: RMF_METRICS_ENABLED Env: RACF_AUDIT_USS_PATH Env: RACF_AUDIT_DATASET Env: SECURITY_READ_ONLY Env: SECURITY_ALLOWED_TOOLS Env: SECURITY_BLOCKED_TOOLS Env: SECURITY_ALLOWED_DATASET_PATTERNS Env: SECURITY_ALLOWED_USS_PATHS Env: SECURITY_AUDIT_LOGGING Env: SECURITY_MAX_JCL_BYTES |