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go-micro/cmd
Asim AslamandClaude cb33decd97 Add built-in plan and delegate tools for agents with examples (#2949)
* feat: add plan and delegate as built-in agent tools

Give agents two self-capabilities, expressed as plain tools wired into
the existing tool handler — no harness or graph, consistent with
"services are the only abstraction":

- plan: record/update an ordered plan, persisted to store-backed memory
  and surfaced in the system prompt on later turns (externalized
  planning).
- delegate: hand a self-contained subtask to another agent.
  Delegate-first — if the target names a registered agent it is called
  via RPC; otherwise a focused ephemeral sub-agent is created with
  agent.New + Ask in a fresh, isolated context (loads/persists no
  history, no built-in tools, so it cannot re-delegate).

Both are added automatically to any non-ephemeral agent, so existing
micro.NewAgent services and micro chat routing get them for free.
Tests are hermetic (memory store + memory registry).

* feat: add agent-plan-delegate example and document plan/delegate

- examples/agent-plan-delegate: coordinator that plans multi-step work,
  creates tasks with its own tools, and delegates notification to a
  separate registered comms agent over RPC.
- integration tests driving the full Ask loop through a fake provider:
  plan tool exposure + persistence, ephemeral delegation with isolated
  context, delegate-first RPC routing to a registered agent.
- docs: README (Building Agents + features + examples), AGENT_DESIGN
  (Built-in Capabilities), agent-patterns guide (Pattern 9), CLAUDE.md.

* docs: blog post and guide for plan & delegate

- blog/17: "Plan & Delegate: Deep Agents in Go" — what the feature is,
  how plan and delegate work, and a runnable getting-started path.
- guides/plan-delegate: reference guide with the smallest-agent snippet,
  plan/delegate semantics, and the multi-agent example; linked in nav.
- example: auto-detect provider/key from common env vars (ANTHROPIC_API_KEY,
  OPENAI_API_KEY, ...) so 'export KEY && go run main.go' just works.
- onboarding: getting-started paths now include go mod init / go get and a
  clone-and-run path, so a reader can actually run it from a cold start.

* refactor: reframe plan/delegate blog and clean up sub-agent construction

- blog/17 retitled "Agents That Plan and Delegate" and reframed around
  intent (plan = state intent, delegate = direct it), positioned as the
  next beat after blog 15/16 and tied to the existing store + agent RPC
  rather than re-announcing them. "Deep agents" now a single in-passing
  nod, matching how blog 14 references LangChain.
- agent: add unexported newEphemeral constructor for sub-agents instead
  of type-asserting the public Agent interface to set an internal field;
  matches the options-only construction idiom used elsewhere.

* feat: expose plan & delegate in the micro chat fallback

Add agent.Builtins(opts...) — returns the built-in tools plus a handler,
so the plan/delegate capabilities can be wired into a tool loop that
isn't a running Agent. micro chat's direct-service fallback now reuses
it (single source of truth, no duplicated handler logic), so planning
and delegation are available there too, not just for registered agents.
Adds a test for the accessor; notes CLI availability in the guide.

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Co-authored-by: Claude <noreply@anthropic.com>
2026-06-07 10:55:34 +01:00
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