Skip to main content
Glama

state_machine_sm_add_transition

Add a named transition between two states in a state machine, specifying the source and target states to control allowed state changes.

Instructions

[state_machine] Define an allowed transition from one state to another.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
from_stateYes
to_stateYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

With no annotations, the description must disclose behavior. It only states 'define an allowed transition,' omitting side effects, whether it overwrites existing transitions, validation, or error conditions.

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

Conciseness4/5

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

The description is very short and front-loaded with the category prefix. Every word earns its place, though it could be slightly expanded without losing conciseness.

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

Completeness2/5

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

Given the complexity (3 required params, no annotations, no output schema shown), the description fails to explain return values, error handling, or necessary preconditions like existence of the state machine.

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

Parameters2/5

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

Schema coverage is 0%; description adds no parameter explanations. It hints at 'from' and 'to' states but does not explain the 'name' parameter, which is critical for distinguishing transitions.

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

Purpose4/5

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

The description clearly states it defines an allowed transition, using a specific verb and resource. It distinguishes from siblings like sm_trigger (executes transition) and sm_can (checks permission), but the differentiation is implicit.

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

Usage Guidelines2/5

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

No guidance on when to use this tool versus alternatives like sm_trigger. The description does not mention prerequisites (e.g., state machine must exist) or context for usage.

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

Install Server

Other Tools

Latest Blog Posts

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/0-co/agent-friend'

If you have feedback or need assistance with the MCP directory API, please join our Discord server