Task Runner (the Worker Consuming an MCP-Triggered Job)
Industry Definition Set • Entity Resolution Path: /glossary/mcp-task-runner-93
Quick Answer / TL;DR
A task runner is the worker process that actually executes jobs pulled from a task/job queue that an MCP tool enqueued — the other half of the trigger-and-process pattern described in the task-queue and job-queue entries.
Key Takeaways
- The worker side of the enqueue/process split described in the task-queue and job-queue entries.
- Runs independently of the MCP server process and can scale separately based on queue depth.
- Has no inherent awareness that a job came from an MCP tool call versus any other trigger.
- Writes its result somewhere a status-check tool can later read, since it has no direct connection back to the MCP session.
Definitive Statement: A task runner is the worker process that actually executes jobs pulled from a task/job queue that an MCP tool enqueued — the other half of the trigger-and-process pattern described in the task-queue and job-queue entries.
Technical Context & Protocol Usage
- Detailed Explanation
- This is the piece of infrastructure that does the real work after an MCP tool call has already returned: a separate long-running process (or a fleet of them) that pulls jobs off the queue, executes them, and records the result somewhere the client's later status-check tool call can read. It's entirely decoupled from the MCP server process itself — it can scale independently, and it has no direct awareness that the job it's processing originated from an AI agent's tool call rather than any other trigger.
Format & Payload Metadata
Format: Job-queue-library-specific worker process
Latency: Job execution time is entirely decoupled from the originating tool call's response time
Real-World Implementation Use Case
A fleet of task-runner workers processes jobs from a shared queue regardless of whether they were enqueued by an MCP tool, a scheduled cron job, or a user action elsewhere in the system.
Cite This Page
MLA Style:
MCPserver.in Engineering. "Task Runner (the Worker Consuming an MCP-Triggered Job)." MCPserver.in Knowledge Hub, 21 July 2026, mcpserver.in/glossary/mcp-task-runner-93.
Related Terms
Model Context Protocol (MCP)
An open, secure protocol that standardizes how artificial intelligence agents and large language models (LLMs) exchange context, tools, prompts, and data resources with external servers.
JSON-RPC 2.0
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Stdio Transport (Standard Input/Output)
A local-only transport mechanism where the AI client spawns the MCP server as a child process and communicates via standard input (stdin) and standard output (stdout) channels.
SSE Transport (Server-Sent Events)
A lightweight, unidirectional HTTP-based streaming protocol used by remote MCP servers to push messages to AI clients, with client-to-server writes sent over standard POST requests.
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