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AgentPlaybooks

List MCP servers

list_mcp_servers
Read-onlyIdempotent

List the MCP and OpenAPI servers connected to this playbook, including transport metadata and discovered capability counts.

Input Schema

NameRequiredDescriptionDefault
playbook_idYesUUID or GUID of the target playbook

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, destructiveHint=false, and openWorldHint=false, so safety behavior is covered. The description adds useful context by noting that results include transport metadata and discovered capability counts, though it does not mention pagination or ordering.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single front-loaded sentence states the operation, scope, and return contents without filler. Every phrase contributes useful information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple read-only tool with one fully documented parameter and complete safety annotations, the definition is nearly complete. It describes the returned content at a high level, though details such as result ordering or empty-list behavior are not covered.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% description coverage and documents playbook_id as a UUID or GUID. The description reinforces that the listing is scoped to a playbook, but adds no parameter syntax or format beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description gives a specific verb and resource: it lists MCP and OpenAPI servers connected to a playbook. It also adds scope and return-content detail, making it clearly distinct from sibling tools such as list_playbooks or get_connection_info.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It implies the tool is used to inspect servers connected to a specific playbook, but it does not explicitly state when to use this instead of related tools like get_connection_info or find_tools. The usage context is clear enough but not fully guided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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