implement
Spawns a specialized worker to build features from specifications with PR traceability.
Install
mkdir -p .claude/skills/implement-mulkatz && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/13034" && unzip -o skill.zip -d .claude/skills/implement-mulkatz && rm skill.zipInstalls to .claude/skills/implement-mulkatz
Activation
This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.
Launch Mulder's implementation worker from a spec, roadmap step, or issue. Use this when the task is to build a spec-aligned change with branch and PR traceability.Key capabilities
- →Resolve the target using shared spec-resolution rules
- →Build the implement handoff payload with specific input schema
- →Spawn a fresh `worker` agent with isolated context
- →Instruct the worker to rebuild context and follow `references/worker.md`
- →Validate the returned output against the shared implement output schema
- →Return a compact handoff summary
How it works
The skill resolves a target, builds a handoff payload, and spawns a worker agent. The worker then rebuilds context and performs the implementation, with its output validated against a schema.
Inputs & outputs
When to use implement
- →Implement feature from spec
- →Build roadmap item
- →Trace code changes to issues
About this skill
Implement
Use this skill as a thin launcher for a fresh implementation worker.
Read these files before acting:
.codex/shared/agent-contracts/authority.md.codex/shared/agent-contracts/target-resolution.md.codex/shared/agent-contracts/handoff-schemas.md.codex/shared/agent-contracts/output-schemas.md.codex/shared/agent-contracts/workflow-invariants.md.codex/skills/implement/references/worker.md
Workflow
- Resolve the target using the shared spec-resolution rules.
- Build the implement handoff payload using the exact shared input schema, carrying through
TARGET_STEP,ISSUE_NUMBER, andISSUE_URLonly when the resolved spec or launcher context can provide them. - Spawn a fresh
workeragent withfork_context: false. - Instruct the worker to rebuild context from the repository and follow
references/worker.md. - Validate the returned output against the shared implement output schema.
- If the worker response is malformed, request one contract-only restatement. If it is still malformed, stop and report a blocked state.
- Return only the compact handoff summary.
Codex Adaptation Rules
- This skill always launches a fresh worker, even when invoked directly by the user.
- Do not rely on parent-thread memory; rely on repo files plus the structured handoff.
- Keep the output contract stable so
auto-pilotand standalone invocations behave the same way. - Keep
SKILL.mdlean; detailed implementation behavior lives inreferences/worker.md.
Output
Return the exact implement output schema from .codex/shared/agent-contracts/output-schemas.md.
When not to use it
- →When a fresh implementation worker is not needed
- →When the task does not involve building a spec-aligned change
- →When the worker response is consistently malformed after restatement
Limitations
- →Does not rely on parent-thread memory
- →Requires a stable output contract for consistency
- →Detailed implementation behavior is in `references/worker.md`, not `SKILL.md`
How it compares
This workflow uses a dedicated, isolated worker agent for implementation tasks, ensuring spec alignment and traceability, unlike direct code modifications.
Compared to similar skills
implement side by side with the closest alternatives in the catalog.
| Skill | Installs | Updated | Safety | Difficulty |
|---|---|---|---|---|
| implement (this skill) | 0 | 4mo | No flags | Advanced |
| resolve-conflicts | 81 | 8mo | Review | Intermediate |
| openspec-onboard | 10 | 6mo | Review | Beginner |
| codex-cli-bridge | 9 | 9mo | Review | Intermediate |
Try saying
Example prompts that trigger this skill in your AI assistant.
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