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Flow Workspace MCP

Flow Workspace MCP

by QIANLING-0831
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

Check Flow Login Bridge

flow_login_bridge_status
Read-onlyIdempotent

Check whether the localhost Flow Login Bridge is waiting for the Chromium extension, so you can diagnose login readiness before listing accounts. For diagnostics only; not for generation.

Instructions

Login diagnostic only. Reports whether the localhost Flow Login Bridge is waiting for the Chromium extension. Do not use this for generation and do not open Flow with browser tools. Normally call flow_list_accounts first.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "flow_login_bridge_status"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.5/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive, closed-world, so the safety profile is covered. The description adds genuinely non-obvious operational context: it is diagnostic-only, it probes a localhost bridge, and the agent must not open Flow with browser tools. It stops short of describing what the reported state looks like, but that is a minor gap.

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?

Four short sentences, front-loaded with the key framing ('Login diagnostic only.'). Every sentence carries a distinct constraint or instruction, with only mild repetition between 'diagnostic only' and 'do not use this for generation'.

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 zero-parameter, read-only diagnostic with no output schema, the description covers purpose, constraints, and ordering. It could note what the reported bridge state values mean, but nothing critical for correct invocation is missing.

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

Parameters4/5

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

The tool takes zero parameters, so the schema is trivially complete and there is nothing for the description to clarify. Baseline 4 applies since no parameter semantics are needed.

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?

States a specific resource and scope: it reports whether the localhost Flow Login Bridge is waiting for the Chromium extension. It also explicitly separates itself from generation siblings, so an agent can distinguish it from flow_generate_image/video.

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

Usage Guidelines5/5

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

Gives when-to-use ('login diagnostic'), when-not ('do not use this for generation', 'do not open Flow with browser tools'), and a sequencing prerequisite ('Normally call flow_list_accounts first'). Alternatives are implied and the preconditions are explicit.

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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