João Salavisa
82 lines
2.9 KiB
Markdown
82 lines
2.9 KiB
Markdown
---
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id: "03-agentctl-dynamic-registry"
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title: "Agentctl dynamic MCP registry"
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status: done
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wave: 2
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depends_on: ["01-manifest-sdk-contract"]
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plan: "plan.md"
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spec: "../../specs/plugins/agent-tools.md"
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adr: "../../decisions/2026-08-11-plugin-tools-through-kandev-mcp.md"
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---
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# Task 03: Agentctl dynamic MCP registry
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## Acceptance
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- Typed MCP profiles carry plugin catalog snapshots and agentctl registers only
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declarations matching Kanban or Office surfaces with exact schemas,
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annotations, and bound proxy handlers.
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- Live control accepts new generations/newer revisions, ignores stale or
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equivalent snapshots, replaces tools atomically, and emits exactly one
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`tools/list_changed` notification per effective registry change.
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- Dynamic calls pass only arguments plus agentctl-bound task/session identity to
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the backend; malformed descriptors fail without replacing the last valid
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registry.
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## Verification
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```bash
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cd apps/backend && go test -race ./internal/mcp/profile ./internal/mcp/server ./internal/agentctl/server/api ./internal/agent/runtime/agentctl
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```
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## Files likely touched
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- `apps/backend/internal/mcp/profile/profile.go`
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- `apps/backend/internal/mcp/profile/profile_test.go`
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- `apps/backend/internal/mcp/server/server.go`
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- `apps/backend/internal/mcp/server/plugin_tools_test.go`
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- `apps/backend/internal/mcp/server/tool_argument_validation.go`
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- `apps/backend/internal/mcp/toolschema/schema.go`
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- `apps/backend/internal/agentctl/server/api/server.go`
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- `apps/backend/internal/agentctl/server/api/mcp_plugin_tools_test.go`
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- `apps/backend/internal/agent/runtime/agentctl/client.go`
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- `apps/backend/internal/agent/runtime/agentctl/client_mcp_plugin_tools_test.go`
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## Dependencies
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Task 01.
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## Parallelism
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Parallel-safe with Task 02 after Task 01. This task owns MCP server and agentctl
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transport files; Task 02 owns plugin service/catalog files.
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## Inputs
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- Spec sections `What` and `Runtime Catalog`
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- ADR decisions 2, 3, 5, and 6
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- Existing `SetProfile`, `SetProviders`, isolated `assembleTools`, shared schema
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compiler from Task 01, and initialized-session notification tests
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## Risks
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- Registry replacement must preserve built-in surface/capability/provider tools.
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- Some MCP clients ignore list-changed; server correctness must not depend on a
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client refresh.
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## Output contract
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Report RED notification/stale-revision evidence, registry composition rules,
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wire payload, commands and results, and task/plan status updates.
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## Results
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- Added atomic `SetPluginTools` replacement, exact raw-schema registration,
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MCP annotations, proxy handlers, and lazy catalog synchronization before
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`tools/list` so changes apply without restarting agentctl.
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- Replacements use mcp-go `SetTools`, which emits one `tools/list_changed`
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notification for initialized clients. Same-generation stale revisions are
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ignored.
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- Verification: `go test -race ./internal/mcp/profile ./internal/mcp/server
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./internal/agentctl/server/api ./internal/agent/runtime/agentctl` passed.
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