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runtime_sandboxes_fork

Idempotent

Start count (1 to 100 on prepaid credit, 1 to 8 without credit) running copies of a sandbox, with its files, memory and processes, on its host. Copies keep its size and CPU, and run on the free usage first, then credit. Returns {sandboxes, snapshot}; on an error, details.startedSandboxIds names copies that started. fork_unavailable means forks are switched off; do not retry it.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYes
nameNoYour own handle for the resource. Letters, digits, dot, dash, underscore.
countNoHow many copies: 1 to 100 on prepaid credit, 1 to 4 without credit. One fork takes at most a quarter of its server's free memory.
labelsNoYour own key/value tags, at most 32. Filter lists with label=key:value.
fundingNoAccepted and not read: copies run on what the account's new sandboxes run on, as for a create. On an account without credit, each copy must fit the limits without credit (it has the source's size) and takes one of its running slots.
keepSnapshotNoKeep the snapshot the copies started from, to start more later (it is billed as snapshot storage). By default it is deleted when the fork ends, whether every copy started or not, and nothing is billed for it.
idempotencyKeyNoOptional: left out, one is made and returned as idempotencyKey. Send it back only to retry this exact call after a temporary error.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / count / description
      Previous value: -"How many copies: 1 to 100 on prepaid credit, 1 to 8 without credit. One fork takes at most a quarter of its server's free memory."New value: +"How many copies: 1 to 100 on prepaid credit, 1 to 4 without credit. One fork takes at most a quarter of its server's free memory."
  2. Added

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