A fix is available
APAR status
Closed as new function.
Error description
The CICS TS Model Context Protocol (MCP) server does not supply input or output schemas.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All CICS Users. * **************************************************************** * PROBLEM DESCRIPTION: The CICS Model Context Protocol (MCP) * * Server has been updated to: * * - Provide output schemas * * - Add changes to CICS MCP tools * **************************************************************** The CICS Model Context Protocol (MCP) Server tools have been updated to supply input and output schemas to describe the parameter/result structure and content. Minor changes have been made to existing tools. Tool parameters and results have been improved to better allow AI tooling to process the results. Some tools now return additional fields to correlate results to CICS regions. Full details on the tools are available through the self documenting MCP specification by querying the deployed MCP endpoints (MCP method: "tools/call"),
Problem conclusion
Temporary fix
Comments
The CICS Model Context Protocol (MCP) Server tools have been updated to supply input and output schemas to describe the parameter/result structure and content. Minor changes have been made to existing tools. Tool parameters and results have been improved to better allow AI tooling to process the results. Some tools now return additional fields to correlate results to CICS regions. Full details on the tools are available through the self documenting MCP specification by querying the deployed MCP endpoints (MCP method: "tools/call"),
APAR Information
APAR number
PH70251
Reported component name
CICS TS Z/OS V6
Reported component ID
5655YA100
Reported release
600
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
YesSpecatt / New Function / Xsystem
Submitted date
2026-02-23
Closed date
2026-06-09
Last modified date
2026-07-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UO08169
Modules/Macros
DFJ@H531 DFJ@H532 DFJ@H533 DFJ@H583
Fix information
Fixed component name
CICS TS Z/OS V6
Fixed component ID
5655YA100
Applicable component levels
R600 PSY UO08169
UP26/06/10 P F606
Fix is available
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Document Information
Modified date:
02 July 2026