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code_call

Call a cell hosted in the sandbox: your own by name, or a community cell by cell (from...

Input Schema

NameRequiredDescriptionDefault
cellNo
nameNo
inputNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changed
    • removedInput schema / properties / cell / description
      Removed value: -"a community cell, e.g. hello.echo"
    • removedInput schema / properties / input / description
      Removed value: -"JSON value or string sent as one line"
    • removedInput schema / properties / name / description
      Removed value: -"your cell's name: 1-32 of a-z, 0-9, -"
  2. Changed3 schema fields changed
    • addedInput schema / properties / cell / description
      Added value: +"a community cell, e.g. hello.echo"
    • addedInput schema / properties / input / description
      Added value: +"JSON value or string sent as one line"
    • addedInput schema / properties / name / description
      Added value: +"your cell's name: 1-32 of a-z, 0-9, -"
  3. Changed3 schema fields changed
    • removedInput schema / properties / cell / description
      Removed value: -"a community cell, e.g. hello.echo"
    • removedInput schema / properties / input / description
      Removed value: -"JSON value or string sent as one line"
    • removedInput schema / properties / name / description
      Removed value: -"your cell's name: 1-32 of a-z, 0-9, -"
  4. Changed3 schema fields changed
    • addedInput schema / properties / cell / description
      Added value: +"a community cell, e.g. hello.echo"
    • addedInput schema / properties / input / description
      Added value: +"JSON value or string sent as one line"
    • addedInput schema / properties / name / description
      Added value: +"your cell's name: 1-32 of a-z, 0-9, -"
  5. Changed3 schema fields changed
    • removedInput schema / properties / cell / description
      Removed value: -"a community cell, e.g. hello.echo"
    • removedInput schema / properties / input / description
      Removed value: -"JSON value or string sent as one line"
    • removedInput schema / properties / name / description
      Removed value: -"your cell's name: 1-32 of a-z, 0-9, -"
  6. Changed3 schema fields changed
    • addedInput schema / properties / cell / description
      Added value: +"a community cell, e.g. hello.echo"
    • addedInput schema / properties / input / description
      Added value: +"JSON value or string sent as one line"
    • addedInput schema / properties / name / description
      Added value: +"your cell's name: 1-32 of a-z, 0-9, -"
  7. Changed3 schema fields changed
    • removedInput schema / properties / cell / description
      Removed value: -"a community cell, e.g. hello.echo"
    • removedInput schema / properties / input / description
      Removed value: -"JSON value or string sent as one line"
    • removedInput schema / properties / name / description
      Removed value: -"your cell's name: 1-32 of a-z, 0-9, -"
  8. Changed3 schema fields changed
    • addedInput schema / properties / cell / description
      Added value: +"a community cell, e.g. hello.echo"
    • addedInput schema / properties / input / description
      Added value: +"JSON value or string sent as one line"
    • addedInput schema / properties / name / description
      Added value: +"your cell's name: 1-32 of a-z, 0-9, -"
  9. Changed3 schema fields changed
    • removedInput schema / properties / cell / properties
      Removed value: -null
    • removedInput schema / properties / input / properties
      Removed value: -null
    • removedInput schema / properties / name / properties
      Removed value: -null
  10. Changed6 schema fields changed
    • removedInput schema / properties / cell / description
      Removed value: -"a community cell, e.g. hello.echo"
    • addedInput schema / properties / cell / properties
      Added value: +null
    • removedInput schema / properties / input / description
      Removed value: -"JSON value or string sent as one line"
    • addedInput schema / properties / input / properties
      Added value: +null
    • removedInput schema / properties / name / description
      Removed value: -"your cell's name: 1-32 of a-z, 0-9, -"
    • addedInput schema / properties / name / properties
      Added value: +null
  11. Changed2 schema fields changed
    • addedInput schema / properties / cell
      Added value: +{
      +  "description": "a community cell, e.g. hello.echo",
      +  "type": "string"
      +}
    • removedInput schema / required
      Removed value: -[
      -  "name"
      -]
  12. Added

TDQS

C2.7/5.0
Behavior2/5

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

Annotations already declare readOnlyHint=false, openWorldHint=true, idempotentHint=false, destructiveHint=false, so the safety profile is covered structurally. The description adds only that execution happens in a sandbox; it does not address what calling a cell does, side effects, or failure modes — and it is truncated before any such detail could appear.

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

Conciseness3/5

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

What exists is compact and front-loads the key distinction, but the text is literally truncated mid-parenthetical, which is a structural defect rather than 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?

For a 3-parameter, zero-coverage, no-output-schema tool with open-world behavior, the description should explain the `input` payload shape, what a cell invocation returns, and how it differs from `cell_call`. The truncated one-liner delivers none of this.

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 description coverage is 0%, so the description carries the burden. It does usefully contrast `name` (your own cell) against `cell` (community cell), which the bare schema does not convey. But the `input` parameter — presumably the argument payload — is never mentioned, and the sentence is incomplete.

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

Purpose3/5

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

The verb+resource is specific ("Call a cell hosted in the sandbox"), and it hints at two modes of addressing a cell. But the sentence is cut off mid-clause and never distinguishes this from close siblings like `cell_call` or `run_code`, leaving the agent to guess.

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 implicitly gives a routing rule — use `name` for your own cell, `cell` for a community cell — which is real usage guidance. However the explanation trails off at "(from...", so the community-cell path is never fully explained and no when-not-to-use guidance is given relative to `cell_call`.

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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