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Glama

Glasswarp

by com.glasswarp

session.end

Destructive

End an active session. Side effects: stops billing, runs host safety_restore, closes apps launched via app.launch. Always call when finished or abandoning — do not leave sessions open. Safe to call once; further observe/input on that session_id will fail.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
session_idYesSession id returned by session.start

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYesFalse when the tool failed
messageYesHuman-readable result for the agent

TDQS

A4.3/5.0
Behavior4/5

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

Annotations provide destructiveHint and openWorldHint. Description adds specific side effects (stops billing, safety_restore, closes apps) and notes that subsequent operations on the session_id will fail.

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?

Three sentences, front-loaded with purpose, then side effects, then usage guidance. No redundant or extraneous information.

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

Completeness5/5

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

For a tool with one parameter, annotations, and an output schema, the description is complete: it covers purpose, side effects, usage, and idempotency.

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?

Schema coverage is 100%, so description need not add parameter semantics. Description does not elaborate on session_id beyond the schema, but this is acceptable.

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?

Description explicitly states 'End an active session' with clear verb and resource. It distinguishes from siblings like session.start and session.status by noting that it closes apps and stops billing.

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

Usage Guidelines4/5

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

Explicitly states 'Always call when finished or abandoning — do not leave sessions open' and mentions idempotency and consequences of further use. Implicitly distinguishes from non-destructive siblings like session.status.

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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TDQS

A4.6/5.0
Disambiguation5/5

Each tool has a clearly distinct purpose: session management, input methods, screen observation, demo retrieval, and rig listing. Descriptions explicitly state when to prefer one over another (e.g., click_target over click_xy, send_actions over chaining). No two tools overlap in functionality.

Naming Consistency5/5

All tools follow the domain.verb_noun pattern (e.g., app.launch, input.click_target, session.start) with consistent snake_case. Verbs like launch, list, get, click, send, type, observe are clear actions, and the naming is predictable across the entire set.

Tool Count5/5

16 tools cover the full spectrum of remote desktop control: 2 for demos, 1 for rigs, 4 for sessions, 1 for screen, 7 for input, and 1 for app launching. Each tool is necessary and there is no redundancy; the count is well-scoped for the domain.

Completeness5/5

The tool set provides a complete lifecycle for remote desktop interaction: rig selection, session start/end, screen observation, all common input actions (click, type, scroll, drag, multi-step sequences), app launching, and demo retrieval. There are no obvious gaps for typical UI automation tasks.

Resources