{}

the language

invoke

the third verb: call a tool (nika: builtin or mcp: server); its room: /verbs/invoke. One of 59 words the served contract declares, projected from workflow.schema.json, the same file your editor validates against.

1surfacetask
optionaleverywherea choice, never a miss
anytypethe declared shape
10skeletonscarry this key

the contract

1 declaration

Descriptions are the schema's own; the deeper invariants (value languages and regexes) ride the same projection. A miss is a nika check finding before anything runs.

task: the third verb: call a tool (nika: builtin or mcp: server); its room: /verbs/invokeone step of the plan

in a real file

invoke is one of the four verbs; its room owns the complete file: the shape, the block contract, the skeletons that speak it. enter the verb's room →

cross-references

skeletons that carry it

the check gates that name it

where it lives

[{"slug":"standard-library-not-plugin-store","title":"A standard library, not a plugin store","date":"2026-05-14"}]

from the blog

A standard library, not a plugin store

defined by

03-dag

the block it lives in

task: one step of the plan

The whole grammar in one place: the four verbs · the standard library · the spec. Try it in the playground. Read the reference →