nika: v1
workflow:
  id: social-repurpose
  description: "One post → thread + LinkedIn + newsletter, in parallel"

model: ollama/qwen3.5:4b   # local · zero key · swap for mistral/mistral-large or any provider

vars:
  post_path: "./blog/launch-post.md"

tasks:
  post:
    invoke:
      tool: "nika:read"
      args: { path: "${{ vars.post_path }}" }

  # Three rewrites · no deps between them · they run concurrently.
  thread:
    with:
      post: ${{ tasks.post.output }}
    infer:
      prompt: "Turn this post into a 6-tweet thread · keep the voice · ${{ with.post }}"

  linkedin:
    with:
      post: ${{ tasks.post.output }}
    infer:
      prompt: "Rewrite this post for LinkedIn · hook first · ${{ with.post }}"

  newsletter:
    with:
      post: ${{ tasks.post.output }}
    infer:
      prompt: "Write a 3-sentence newsletter blurb for this post · ${{ with.post }}"

  bundle:
    with:
      t: ${{ tasks.thread.output }}
      l: ${{ tasks.linkedin.output }}
      n: ${{ tasks.newsletter.output }}
    invoke:
      tool: "nika:write"
      args:
        path: "./social-bundle.md"
        content: |
          # Social bundle

          ## Thread
          ${{ with.t }}

          ## LinkedIn
          ${{ with.l }}

          ## Newsletter
          ${{ with.n }}

outputs:
  bundle_path: ${{ tasks.bundle.output }}

{"a":{"graph_format":2,"workflow":"social-repurpose","nodes":[{"id":"post","verb":"invoke","tool":"nika:read","permits":["tool: nika:read"]},{"id":"thread","verb":"infer","model":"ollama/qwen3.5:4b","permits":[]},{"id":"linkedin","verb":"infer","model":"ollama/qwen3.5:4b","permits":[]},{"id":"newsletter","verb":"infer","model":"ollama/qwen3.5:4b","permits":[]},{"id":"bundle","verb":"invoke","tool":"nika:write","permits":["fs.write: ./social-bundle.md","tool: nika:write"]}],"edges":[{"from":"linkedin","to":"bundle","kind":"value"},{"from":"newsletter","to":"bundle","kind":"value"},{"from":"post","to":"linkedin","kind":"value"},{"from":"post","to":"newsletter","kind":"value"},{"from":"post","to":"thread","kind":"value"},{"from":"thread","to":"bundle","kind":"value"}]},"engine":"0.105.0"}

showcase · tier 1 · content

Social repurpose

One post becomes a thread, a LinkedIn version and a newsletter blurb, rewritten in parallel.

Write once, publish everywhere, same voice on every channel. · conformance-gated in nika-spec ↗ · re-proven at every push

The whole file

5 tasks · 3 waves · the plan falls out of the bindings, nothing is scheduled by hand.

t1-social-repurpose.nika.yamlsource

1nika: v12workflow:3  id: social-repurpose4  description: "One post → thread + LinkedIn + newsletter, in parallel"56model: ollama/qwen3.5:4b   # local · zero key · swap for mistral/mistral-large or any provider78vars:9  post_path: "./blog/launch-post.md"1011tasks:12  post:13    ◆invoke:14      tool: "nika:read"15      args: { path: "${{ vars.post_path }}" }1617  # Three rewrites · no deps between them · they run concurrently.18  thread:19    with:20      post: ${{ tasks.post.output }}21    ◇infer:22      prompt: "Turn this post into a 6-tweet thread · keep the voice · ${{ with.post }}"2324  linkedin:25    with:26      post: ${{ tasks.post.output }}27    ◇infer:28      prompt: "Rewrite this post for LinkedIn · hook first · ${{ with.post }}"2930  newsletter:31    with:32      post: ${{ tasks.post.output }}33    ◇infer:34      prompt: "Write a 3-sentence newsletter blurb for this post · ${{ with.post }}"3536  bundle:37    with:38      t: ${{ tasks.thread.output }}39      l: ${{ tasks.linkedin.output }}40      n: ${{ tasks.newsletter.output }}41    ◆invoke:42      tool: "nika:write"43      args:44        path: "./social-bundle.md"45        content: |46          # Social bundle4748          ## Thread49          ${{ with.t }}5051          ## LinkedIn52          ${{ with.l }}5354          ## Newsletter55          ${{ with.n }}5657outputs:58  bundle_path: ${{ tasks.bundle.output }}59

nika inspect · engine 0.105.0 · vendored graph, never re-derived

6 declared edges · 3 waves · the plan falls out of the bindings

try itopen in the playground guidethe walkthrough · docs verbinvoke verbinfer toolnika:read toolnika:write