SERVER

Mainframe MCP

Rank #12,145

io.github.NotHarshhaa/mainframe-mcp-server

MCP server for IBM z/OS jobs, datasets, USS, and operational diagnostics via Zowe SDK.

5 versions

by notharshhaa (2 servers)View repository ↗

First listed

Jun 2, 2026

Last publish date

Jun 8, 2026

PURPOSE

What you can do with Mainframe MCP

Mainframe MCP is a Model Context Protocol (MCP) server published by notharshhaa. It ranks #12,145 of 144,396 active servers on MCP Toplist. Mainframe MCP is listed across 2 registries — Official MCP and PulseMCP, with 5 tracked versions. It was first listed on Jun 2, 2026 and most recently updated on Jun 8, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Mainframe MCP can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Mainframe MCP

DeclaredAPI keyCredentials declared

The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.

Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

ZOSMF_HOST · required
ZOSMF_PORT · optional
ZOSMF_BASE_PATH · optional
ZOSMF_USER · optional
ZOSMF_PASSWORD · optional
ZOSMF_TOKEN · optional
ZOSMF_TOKEN_TYPE · optional
ZOSMF_REJECT_UNAUTHORIZED · optional
LOG_LEVEL · optional
MCP_TRANSPORT · optional
MCP_SSE_PORT · optional
MAX_JOB_OUTPUT_LINES · optional
MAX_DATASET_READ_LINES · optional
MAX_JES_SPOOL_FILES · optional
MAX_AUDIT_LINES · optional
CMCI_CONTEXT · optional
CMCI_HOST · optional
CMCI_PORT · optional
CMCI_BASE_PATH · optional
DB2_LOCATION · optional
DB2_HOST · optional
DB2_PORT · optional
DB2_BASE_PATH · optional
SMF_SUMMARY_DATASET · optional
RMF_METRICS_ENABLED · optional
RACF_AUDIT_USS_PATH · optional
RACF_AUDIT_DATASET · optional
SECURITY_READ_ONLY · optional
SECURITY_ALLOWED_TOOLS · optional
SECURITY_BLOCKED_TOOLS · optional
SECURITY_ALLOWED_DATASET_PATTERNS · optional
SECURITY_ALLOWED_USS_PATHS · optional
SECURITY_AUDIT_LOGGING · optional
SECURITY_MAX_JCL_BYTES · optional

INSTALLATION AND FIRST TASK

Connect Mainframe MCP and confirm it works

npm package

claude mcp add mainframe-mcp-server -e "ZOSMF_HOST=<your ZOSMF_HOST>" -e "ZOSMF_PORT=<your ZOSMF_PORT>" -e "ZOSMF_BASE_PATH=<your ZOSMF_BASE_PATH>" -e "ZOSMF_USER=<your ZOSMF_USER>" -e "ZOSMF_PASSWORD=<your ZOSMF_PASSWORD>" -e "ZOSMF_TOKEN=<your ZOSMF_TOKEN>" -e "ZOSMF_TOKEN_TYPE=<your ZOSMF_TOKEN_TYPE>" -e "ZOSMF_REJECT_UNAUTHORIZED=<your ZOSMF_REJECT_UNAUTHORIZED>" -e "LOG_LEVEL=<your LOG_LEVEL>" -e "MCP_TRANSPORT=<your MCP_TRANSPORT>" -e "MCP_SSE_PORT=<your MCP_SSE_PORT>" -e "MAX_JOB_OUTPUT_LINES=<your MAX_JOB_OUTPUT_LINES>" -e "MAX_DATASET_READ_LINES=<your MAX_DATASET_READ_LINES>" -e "MAX_JES_SPOOL_FILES=<your MAX_JES_SPOOL_FILES>" -e "MAX_AUDIT_LINES=<your MAX_AUDIT_LINES>" -e "CMCI_CONTEXT=<your CMCI_CONTEXT>" -e "CMCI_HOST=<your CMCI_HOST>" -e "CMCI_PORT=<your CMCI_PORT>" -e "CMCI_BASE_PATH=<your CMCI_BASE_PATH>" -e "DB2_LOCATION=<your DB2_LOCATION>" -e "DB2_HOST=<your DB2_HOST>" -e "DB2_PORT=<your DB2_PORT>" -e "DB2_BASE_PATH=<your DB2_BASE_PATH>" -e "SMF_SUMMARY_DATASET=<your SMF_SUMMARY_DATASET>" -e "RMF_METRICS_ENABLED=<your RMF_METRICS_ENABLED>" -e "RACF_AUDIT_USS_PATH=<your RACF_AUDIT_USS_PATH>" -e "RACF_AUDIT_DATASET=<your RACF_AUDIT_DATASET>" -e "SECURITY_READ_ONLY=<your SECURITY_READ_ONLY>" -e "SECURITY_ALLOWED_TOOLS=<your SECURITY_ALLOWED_TOOLS>" -e "SECURITY_BLOCKED_TOOLS=<your SECURITY_BLOCKED_TOOLS>" -e "SECURITY_ALLOWED_DATASET_PATTERNS=<your SECURITY_ALLOWED_DATASET_PATTERNS>" -e "SECURITY_ALLOWED_USS_PATHS=<your SECURITY_ALLOWED_USS_PATHS>" -e "SECURITY_AUDIT_LOGGING=<your SECURITY_AUDIT_LOGGING>" -e "SECURITY_MAX_JCL_BYTES=<your SECURITY_MAX_JCL_BYTES>" -- npx -y @notharshhaa/mainframe-mcp-server

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.mainframe-mcp-server]
command = "npx"
args = ["-y", "@notharshhaa/mainframe-mcp-server"]

[mcp_servers.mainframe-mcp-server.env]
ZOSMF_HOST = "<your ZOSMF_HOST>"
ZOSMF_PORT = "<your ZOSMF_PORT>"
ZOSMF_BASE_PATH = "<your ZOSMF_BASE_PATH>"
ZOSMF_USER = "<your ZOSMF_USER>"
ZOSMF_PASSWORD = "<your ZOSMF_PASSWORD>"
ZOSMF_TOKEN = "<your ZOSMF_TOKEN>"
ZOSMF_TOKEN_TYPE = "<your ZOSMF_TOKEN_TYPE>"
ZOSMF_REJECT_UNAUTHORIZED = "<your ZOSMF_REJECT_UNAUTHORIZED>"
LOG_LEVEL = "<your LOG_LEVEL>"
MCP_TRANSPORT = "<your MCP_TRANSPORT>"
MCP_SSE_PORT = "<your MCP_SSE_PORT>"
MAX_JOB_OUTPUT_LINES = "<your MAX_JOB_OUTPUT_LINES>"
MAX_DATASET_READ_LINES = "<your MAX_DATASET_READ_LINES>"
MAX_JES_SPOOL_FILES = "<your MAX_JES_SPOOL_FILES>"
MAX_AUDIT_LINES = "<your MAX_AUDIT_LINES>"
CMCI_CONTEXT = "<your CMCI_CONTEXT>"
CMCI_HOST = "<your CMCI_HOST>"
CMCI_PORT = "<your CMCI_PORT>"
CMCI_BASE_PATH = "<your CMCI_BASE_PATH>"
DB2_LOCATION = "<your DB2_LOCATION>"
DB2_HOST = "<your DB2_HOST>"
DB2_PORT = "<your DB2_PORT>"
DB2_BASE_PATH = "<your DB2_BASE_PATH>"
SMF_SUMMARY_DATASET = "<your SMF_SUMMARY_DATASET>"
RMF_METRICS_ENABLED = "<your RMF_METRICS_ENABLED>"
RACF_AUDIT_USS_PATH = "<your RACF_AUDIT_USS_PATH>"
RACF_AUDIT_DATASET = "<your RACF_AUDIT_DATASET>"
SECURITY_READ_ONLY = "<your SECURITY_READ_ONLY>"
SECURITY_ALLOWED_TOOLS = "<your SECURITY_ALLOWED_TOOLS>"
SECURITY_BLOCKED_TOOLS = "<your SECURITY_BLOCKED_TOOLS>"
SECURITY_ALLOWED_DATASET_PATTERNS = "<your SECURITY_ALLOWED_DATASET_PATTERNS>"
SECURITY_ALLOWED_USS_PATHS = "<your SECURITY_ALLOWED_USS_PATHS>"
SECURITY_AUDIT_LOGGING = "<your SECURITY_AUDIT_LOGGING>"
SECURITY_MAX_JCL_BYTES = "<your SECURITY_MAX_JCL_BYTES>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mainframe-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "env": {
        "ZOSMF_HOST": "<your ZOSMF_HOST>",
        "ZOSMF_PORT": "<your ZOSMF_PORT>",
        "ZOSMF_BASE_PATH": "<your ZOSMF_BASE_PATH>",
        "ZOSMF_USER": "<your ZOSMF_USER>",
        "ZOSMF_PASSWORD": "<your ZOSMF_PASSWORD>",
        "ZOSMF_TOKEN": "<your ZOSMF_TOKEN>",
        "ZOSMF_TOKEN_TYPE": "<your ZOSMF_TOKEN_TYPE>",
        "ZOSMF_REJECT_UNAUTHORIZED": "<your ZOSMF_REJECT_UNAUTHORIZED>",
        "LOG_LEVEL": "<your LOG_LEVEL>",
        "MCP_TRANSPORT": "<your MCP_TRANSPORT>",
        "MCP_SSE_PORT": "<your MCP_SSE_PORT>",
        "MAX_JOB_OUTPUT_LINES": "<your MAX_JOB_OUTPUT_LINES>",
        "MAX_DATASET_READ_LINES": "<your MAX_DATASET_READ_LINES>",
        "MAX_JES_SPOOL_FILES": "<your MAX_JES_SPOOL_FILES>",
        "MAX_AUDIT_LINES": "<your MAX_AUDIT_LINES>",
        "CMCI_CONTEXT": "<your CMCI_CONTEXT>",
        "CMCI_HOST": "<your CMCI_HOST>",
        "CMCI_PORT": "<your CMCI_PORT>",
        "CMCI_BASE_PATH": "<your CMCI_BASE_PATH>",
        "DB2_LOCATION": "<your DB2_LOCATION>",
        "DB2_HOST": "<your DB2_HOST>",
        "DB2_PORT": "<your DB2_PORT>",
        "DB2_BASE_PATH": "<your DB2_BASE_PATH>",
        "SMF_SUMMARY_DATASET": "<your SMF_SUMMARY_DATASET>",
        "RMF_METRICS_ENABLED": "<your RMF_METRICS_ENABLED>",
        "RACF_AUDIT_USS_PATH": "<your RACF_AUDIT_USS_PATH>",
        "RACF_AUDIT_DATASET": "<your RACF_AUDIT_DATASET>",
        "SECURITY_READ_ONLY": "<your SECURITY_READ_ONLY>",
        "SECURITY_ALLOWED_TOOLS": "<your SECURITY_ALLOWED_TOOLS>",
        "SECURITY_BLOCKED_TOOLS": "<your SECURITY_BLOCKED_TOOLS>",
        "SECURITY_ALLOWED_DATASET_PATTERNS": "<your SECURITY_ALLOWED_DATASET_PATTERNS>",
        "SECURITY_ALLOWED_USS_PATHS": "<your SECURITY_ALLOWED_USS_PATHS>",
        "SECURITY_AUDIT_LOGGING": "<your SECURITY_AUDIT_LOGGING>",
        "SECURITY_MAX_JCL_BYTES": "<your SECURITY_MAX_JCL_BYTES>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mainframe-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "env": {
        "ZOSMF_HOST": "<your ZOSMF_HOST>",
        "ZOSMF_PORT": "<your ZOSMF_PORT>",
        "ZOSMF_BASE_PATH": "<your ZOSMF_BASE_PATH>",
        "ZOSMF_USER": "<your ZOSMF_USER>",
        "ZOSMF_PASSWORD": "<your ZOSMF_PASSWORD>",
        "ZOSMF_TOKEN": "<your ZOSMF_TOKEN>",
        "ZOSMF_TOKEN_TYPE": "<your ZOSMF_TOKEN_TYPE>",
        "ZOSMF_REJECT_UNAUTHORIZED": "<your ZOSMF_REJECT_UNAUTHORIZED>",
        "LOG_LEVEL": "<your LOG_LEVEL>",
        "MCP_TRANSPORT": "<your MCP_TRANSPORT>",
        "MCP_SSE_PORT": "<your MCP_SSE_PORT>",
        "MAX_JOB_OUTPUT_LINES": "<your MAX_JOB_OUTPUT_LINES>",
        "MAX_DATASET_READ_LINES": "<your MAX_DATASET_READ_LINES>",
        "MAX_JES_SPOOL_FILES": "<your MAX_JES_SPOOL_FILES>",
        "MAX_AUDIT_LINES": "<your MAX_AUDIT_LINES>",
        "CMCI_CONTEXT": "<your CMCI_CONTEXT>",
        "CMCI_HOST": "<your CMCI_HOST>",
        "CMCI_PORT": "<your CMCI_PORT>",
        "CMCI_BASE_PATH": "<your CMCI_BASE_PATH>",
        "DB2_LOCATION": "<your DB2_LOCATION>",
        "DB2_HOST": "<your DB2_HOST>",
        "DB2_PORT": "<your DB2_PORT>",
        "DB2_BASE_PATH": "<your DB2_BASE_PATH>",
        "SMF_SUMMARY_DATASET": "<your SMF_SUMMARY_DATASET>",
        "RMF_METRICS_ENABLED": "<your RMF_METRICS_ENABLED>",
        "RACF_AUDIT_USS_PATH": "<your RACF_AUDIT_USS_PATH>",
        "RACF_AUDIT_DATASET": "<your RACF_AUDIT_DATASET>",
        "SECURITY_READ_ONLY": "<your SECURITY_READ_ONLY>",
        "SECURITY_ALLOWED_TOOLS": "<your SECURITY_ALLOWED_TOOLS>",
        "SECURITY_BLOCKED_TOOLS": "<your SECURITY_BLOCKED_TOOLS>",
        "SECURITY_ALLOWED_DATASET_PATTERNS": "<your SECURITY_ALLOWED_DATASET_PATTERNS>",
        "SECURITY_ALLOWED_USS_PATHS": "<your SECURITY_ALLOWED_USS_PATHS>",
        "SECURITY_AUDIT_LOGGING": "<your SECURITY_AUDIT_LOGGING>",
        "SECURITY_MAX_JCL_BYTES": "<your SECURITY_MAX_JCL_BYTES>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "mainframe-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "env": {
        "ZOSMF_HOST": "<your ZOSMF_HOST>",
        "ZOSMF_PORT": "<your ZOSMF_PORT>",
        "ZOSMF_BASE_PATH": "<your ZOSMF_BASE_PATH>",
        "ZOSMF_USER": "<your ZOSMF_USER>",
        "ZOSMF_PASSWORD": "<your ZOSMF_PASSWORD>",
        "ZOSMF_TOKEN": "<your ZOSMF_TOKEN>",
        "ZOSMF_TOKEN_TYPE": "<your ZOSMF_TOKEN_TYPE>",
        "ZOSMF_REJECT_UNAUTHORIZED": "<your ZOSMF_REJECT_UNAUTHORIZED>",
        "LOG_LEVEL": "<your LOG_LEVEL>",
        "MCP_TRANSPORT": "<your MCP_TRANSPORT>",
        "MCP_SSE_PORT": "<your MCP_SSE_PORT>",
        "MAX_JOB_OUTPUT_LINES": "<your MAX_JOB_OUTPUT_LINES>",
        "MAX_DATASET_READ_LINES": "<your MAX_DATASET_READ_LINES>",
        "MAX_JES_SPOOL_FILES": "<your MAX_JES_SPOOL_FILES>",
        "MAX_AUDIT_LINES": "<your MAX_AUDIT_LINES>",
        "CMCI_CONTEXT": "<your CMCI_CONTEXT>",
        "CMCI_HOST": "<your CMCI_HOST>",
        "CMCI_PORT": "<your CMCI_PORT>",
        "CMCI_BASE_PATH": "<your CMCI_BASE_PATH>",
        "DB2_LOCATION": "<your DB2_LOCATION>",
        "DB2_HOST": "<your DB2_HOST>",
        "DB2_PORT": "<your DB2_PORT>",
        "DB2_BASE_PATH": "<your DB2_BASE_PATH>",
        "SMF_SUMMARY_DATASET": "<your SMF_SUMMARY_DATASET>",
        "RMF_METRICS_ENABLED": "<your RMF_METRICS_ENABLED>",
        "RACF_AUDIT_USS_PATH": "<your RACF_AUDIT_USS_PATH>",
        "RACF_AUDIT_DATASET": "<your RACF_AUDIT_DATASET>",
        "SECURITY_READ_ONLY": "<your SECURITY_READ_ONLY>",
        "SECURITY_ALLOWED_TOOLS": "<your SECURITY_ALLOWED_TOOLS>",
        "SECURITY_BLOCKED_TOOLS": "<your SECURITY_BLOCKED_TOOLS>",
        "SECURITY_ALLOWED_DATASET_PATTERNS": "<your SECURITY_ALLOWED_DATASET_PATTERNS>",
        "SECURITY_ALLOWED_USS_PATHS": "<your SECURITY_ALLOWED_USS_PATHS>",
        "SECURITY_AUDIT_LOGGING": "<your SECURITY_AUDIT_LOGGING>",
        "SECURITY_MAX_JCL_BYTES": "<your SECURITY_MAX_JCL_BYTES>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mainframe-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "env": {
        "ZOSMF_HOST": "<your ZOSMF_HOST>",
        "ZOSMF_PORT": "<your ZOSMF_PORT>",
        "ZOSMF_BASE_PATH": "<your ZOSMF_BASE_PATH>",
        "ZOSMF_USER": "<your ZOSMF_USER>",
        "ZOSMF_PASSWORD": "<your ZOSMF_PASSWORD>",
        "ZOSMF_TOKEN": "<your ZOSMF_TOKEN>",
        "ZOSMF_TOKEN_TYPE": "<your ZOSMF_TOKEN_TYPE>",
        "ZOSMF_REJECT_UNAUTHORIZED": "<your ZOSMF_REJECT_UNAUTHORIZED>",
        "LOG_LEVEL": "<your LOG_LEVEL>",
        "MCP_TRANSPORT": "<your MCP_TRANSPORT>",
        "MCP_SSE_PORT": "<your MCP_SSE_PORT>",
        "MAX_JOB_OUTPUT_LINES": "<your MAX_JOB_OUTPUT_LINES>",
        "MAX_DATASET_READ_LINES": "<your MAX_DATASET_READ_LINES>",
        "MAX_JES_SPOOL_FILES": "<your MAX_JES_SPOOL_FILES>",
        "MAX_AUDIT_LINES": "<your MAX_AUDIT_LINES>",
        "CMCI_CONTEXT": "<your CMCI_CONTEXT>",
        "CMCI_HOST": "<your CMCI_HOST>",
        "CMCI_PORT": "<your CMCI_PORT>",
        "CMCI_BASE_PATH": "<your CMCI_BASE_PATH>",
        "DB2_LOCATION": "<your DB2_LOCATION>",
        "DB2_HOST": "<your DB2_HOST>",
        "DB2_PORT": "<your DB2_PORT>",
        "DB2_BASE_PATH": "<your DB2_BASE_PATH>",
        "SMF_SUMMARY_DATASET": "<your SMF_SUMMARY_DATASET>",
        "RMF_METRICS_ENABLED": "<your RMF_METRICS_ENABLED>",
        "RACF_AUDIT_USS_PATH": "<your RACF_AUDIT_USS_PATH>",
        "RACF_AUDIT_DATASET": "<your RACF_AUDIT_DATASET>",
        "SECURITY_READ_ONLY": "<your SECURITY_READ_ONLY>",
        "SECURITY_ALLOWED_TOOLS": "<your SECURITY_ALLOWED_TOOLS>",
        "SECURITY_BLOCKED_TOOLS": "<your SECURITY_BLOCKED_TOOLS>",
        "SECURITY_ALLOWED_DATASET_PATTERNS": "<your SECURITY_ALLOWED_DATASET_PATTERNS>",
        "SECURITY_ALLOWED_USS_PATHS": "<your SECURITY_ALLOWED_USS_PATHS>",
        "SECURITY_AUDIT_LOGGING": "<your SECURITY_AUDIT_LOGGING>",
        "SECURITY_MAX_JCL_BYTES": "<your SECURITY_MAX_JCL_BYTES>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "mainframe-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "env": {
        "ZOSMF_HOST": "<your ZOSMF_HOST>",
        "ZOSMF_PORT": "<your ZOSMF_PORT>",
        "ZOSMF_BASE_PATH": "<your ZOSMF_BASE_PATH>",
        "ZOSMF_USER": "<your ZOSMF_USER>",
        "ZOSMF_PASSWORD": "<your ZOSMF_PASSWORD>",
        "ZOSMF_TOKEN": "<your ZOSMF_TOKEN>",
        "ZOSMF_TOKEN_TYPE": "<your ZOSMF_TOKEN_TYPE>",
        "ZOSMF_REJECT_UNAUTHORIZED": "<your ZOSMF_REJECT_UNAUTHORIZED>",
        "LOG_LEVEL": "<your LOG_LEVEL>",
        "MCP_TRANSPORT": "<your MCP_TRANSPORT>",
        "MCP_SSE_PORT": "<your MCP_SSE_PORT>",
        "MAX_JOB_OUTPUT_LINES": "<your MAX_JOB_OUTPUT_LINES>",
        "MAX_DATASET_READ_LINES": "<your MAX_DATASET_READ_LINES>",
        "MAX_JES_SPOOL_FILES": "<your MAX_JES_SPOOL_FILES>",
        "MAX_AUDIT_LINES": "<your MAX_AUDIT_LINES>",
        "CMCI_CONTEXT": "<your CMCI_CONTEXT>",
        "CMCI_HOST": "<your CMCI_HOST>",
        "CMCI_PORT": "<your CMCI_PORT>",
        "CMCI_BASE_PATH": "<your CMCI_BASE_PATH>",
        "DB2_LOCATION": "<your DB2_LOCATION>",
        "DB2_HOST": "<your DB2_HOST>",
        "DB2_PORT": "<your DB2_PORT>",
        "DB2_BASE_PATH": "<your DB2_BASE_PATH>",
        "SMF_SUMMARY_DATASET": "<your SMF_SUMMARY_DATASET>",
        "RMF_METRICS_ENABLED": "<your RMF_METRICS_ENABLED>",
        "RACF_AUDIT_USS_PATH": "<your RACF_AUDIT_USS_PATH>",
        "RACF_AUDIT_DATASET": "<your RACF_AUDIT_DATASET>",
        "SECURITY_READ_ONLY": "<your SECURITY_READ_ONLY>",
        "SECURITY_ALLOWED_TOOLS": "<your SECURITY_ALLOWED_TOOLS>",
        "SECURITY_BLOCKED_TOOLS": "<your SECURITY_BLOCKED_TOOLS>",
        "SECURITY_ALLOWED_DATASET_PATTERNS": "<your SECURITY_ALLOWED_DATASET_PATTERNS>",
        "SECURITY_ALLOWED_USS_PATHS": "<your SECURITY_ALLOWED_USS_PATHS>",
        "SECURITY_AUDIT_LOGGING": "<your SECURITY_AUDIT_LOGGING>",
        "SECURITY_MAX_JCL_BYTES": "<your SECURITY_MAX_JCL_BYTES>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

ALTERNATIVES

When to choose another server

Other servers by notharshhaa

devops-mcp#14,812

View all notharshhaa servers →

No task-specific alternatives are catalogued for Mainframe MCPyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Jun 2, 2026
Latest version published: Jun 8, 2026
Version history: 5 versions tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Jun 23, 2026

Registry sightings

Official MCP ↗listed since Jun 2, 2026 · still listed
PulseMCP ↗listed since Jun 4, 2026 · delisted, last seen Jun 23, 2026

Do you maintain Mainframe MCP? to correct or enrich this profile.

VERSIONS

Available versions (5)

Version	Published
2.5.0	Jun 8, 2026
2.2.0	Jun 4, 2026
2.1.0	Jun 4, 2026
2.0.0	Jun 2, 2026
1.0.0	Jun 2, 2026

STANDING

#12,145of 144,396 active serversTop 10%

Ranks ahead of 132,251 of 144,396 servers on MCP Toplist.

BADGE

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Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.NotHarshhaa%2Fmainframe-mcp-server.svg)](https://mcptoplist.com/server/io.github.NotHarshhaa%2Fmainframe-mcp-server)

HTML

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Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Mainframe MCP?: Mainframe MCP is maintained by notharshhaa, which publishes 2 MCP servers (12 total versions) tracked on MCP Toplist.
Is Mainframe MCP listed on the Official MCP Registry?: Yes — Mainframe MCP is listed on the Official MCP Registry, alongside PulseMCP.
How many versions does Mainframe MCP have?: MCP Toplist tracks 5 versions of Mainframe MCP, most recently published on Jun 8, 2026.
Where can I find the source code for Mainframe MCP?: The source code for Mainframe MCP is hosted at github.com/notharshhaa/mainframe-mcp-server.

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