## Thinking Path > - Paperclip is the open source app people use to manage AI agents for work. > - The Runner gives agents tools to change company resources. > - Users need agents to save reusable skills during a task. > - A saved skill needs a visible result that users can inspect and edit. > - This pull request adds `create_skill` and a task feed card linked to Skill Studio. > - Users can open the saved skill from the task and edit the same resource. ## Linked Issues or Issue Description **Subsystem affected** Runner tools, company skill storage, task feed, and Skill Studio. **Problem or motivation** The Runner has no dedicated tool to create a company skill. A user cannot follow a creation result from the task feed to the saved skill. **Proposed solution** Add a company-scoped `create_skill` tool. Save the skill with the existing company policy. Add one creation card to the task. Open a named sidebar tab from that card. Let the user open the same skill in Skill Studio. **Alternatives considered** An agent can write a local file, but that file is not a company skill. A second document copy in the task would become stale after a Studio edit. The sidebar therefore reads the saved skill directly. **Roadmap alignment** This extends the shipped Skills Manager, Skill Studio, and Skills Store milestone. The maintainer requested and approved this scope. Search found no duplicate `create_skill` PR or issue. Related UI validation work: #8715. This PR does not change that validation display. ## What Changed - Add the real Runner tool, its contract, and its mock implementation. - Validate the complete SKILL.md and derive company, task, agent, and run identity from authentication. - Apply the existing company skill policy. Do not assign the skill to an agent. - Make keyed retries return one skill and one creation event. Reject conflicting retries. - Make concurrent file creation safe. Never replace an existing published skill during creation. - Add a creation card, a named sidebar tab, and an Open in Skill Studio action. - Show saved Studio edits when the user returns to the task. - Add storage, policy, mode, retry, UI, and Product E2E tests. Document the tool. - Fix deleted-name reuse, onboarding panel persistence, immediate feed refresh, and mock validation parity from review. - Serialize Studio file edits and renames with skill deletion and recreation. Reject stale editor requests before they can change a replacement skill. - Generate the standalone mock parser and validator from the production contract. Use portable UUIDs so the browser scenario bundle builds. ## Verification - All latest-head PR checks pass on `145dd76a5`, including all server shards, browser E2E, Runner verification, build, typecheck, and release dry run. Greptile: 5/5 with no open findings. An interrupted CI runner was retried successfully. - `pnpm -r typecheck`: passed. - `pnpm build`: passed. - `pnpm check:token-gates`: passed. - Review regressions: 73 storage tests, 6 real API tests, 63 UI tests, and 61 semantic runtime tests passed. Parser synchronization passed. - CI exposed existing fire-and-forget Sentry test races. Reproduced the resumption race locally, then synchronized the related sweep and finalizer assertions on the actual report; all 27 tests across the three affected files pass. - Runner scenario browser build and strict content-security-policy check: passed. - Runner suite: 2,012 tests passed; 10 skipped. - `pnpm test:run`: the general-server batch had 12,416 passes and two failures. The old tool-count assertion was fixed; all 16 authority tests then passed. The chat webhook test had a socket error; it passed four isolated reruns. - Both workspace test groups passed. The isolated route suites completed. Two socket failures in the initial route batches passed on individual reruns; all remaining 61 files passed. - Product E2E `create-skill-studio`: passed with local Codex and local ACPX Claude. - Manual browser test: submit a task, observe the real tool call and creation card, open the sidebar, edit in Studio, save, and return. The task reached Done. The saved second revision and sidebar tab survived a server restart. - The new companion headless Runner Eval passed. Companion coverage PR: https://github.com/paperclipai/paperclip-evals/pull/23. Daytona was not run because no immutable runner image was configured. ## Risks - Database writes and local file writes cannot share one transaction. Recovery accepts only an exact file-for-file retry after a database rollback. Conflicting files remain untouched. - The sidebar displays the current skill. The feed card remains the historical creation receipt. - No database migration, dependency, or workflow change is included. - Remote Daytona behavior still needs a run with a configured immutable image. ## Model Used OpenAI GPT-6 (`gpt-6-astra`) handled design, integration, review, and browser verification. OpenAI `gpt-5.6-luna` assisted with bounded implementation and eval work. Both used code execution and tool access. The host did not expose the context window size. ## Checklist - [x] I have included a thinking path that traces from project context to this change - [x] I have specified the model used (with version and capability details) - [x] I have checked ROADMAP.md and confirmed this PR does not duplicate planned core work - [x] I have searched GitHub for duplicate or related PRs and linked them above - [x] I have either (a) linked existing issues with `Fixes: #` / `Closes #` / `Refs #` OR (b) described the issue in-PR following the relevant issue template - [x] I have not referenced internal/instance-local Paperclip issues or links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip` URLs) - [x] My branch name describes the change (e.g. `docs/...`, `fix/...`) and contains no internal Paperclip ticket id or instance-derived details - [x] I have run tests locally and they pass - [x] I have added or updated tests where applicable - [x] I have updated relevant documentation to reflect my changes - [x] I have considered and documented any risks above - [x] All Paperclip CI gates are green - [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups - [x] I will address all Greptile and reviewer comments before requesting merge --------- Co-authored-by: Paperclip <noreply@paperclip.ing>
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Capability Semantic Tool Catalog
The semantic tool catalog is the transport-neutral surface an agent may call. It is a frozen set of JSON-schema descriptors — no HTTP method, path, or provider detail. Provider-specific shapes are produced only by bindings, so every provider sees the same operation set.
Each protocol action is single-sourced in its own module under
src/protocol-actions/. That module owns the action's policy metadata,
documentation, examples, and its live and scenario JSON-schema presentations.
src/catalog/canonical-operations.ts, src/semantic-tools/catalog.ts, and
src/tools/capability-semantic-tool-catalog.ts are compatibility projections;
do not add action definitions to them. See
catalog reconciliation.
Sources: src/protocol-actions/, src/catalog/canonical-operations.ts,
src/tools/capability-semantic-tool-catalog.ts,
src/tools/capability-semantic-tool-types.ts, src/tools/capability-tool-bindings.ts,
barrel src/tools/index.ts.
Two dispositions, plus a separate control-plane list
A tool descriptor's disposition is either always_agent_tool or
optional_agent_tool. Control-plane-owned operations are a separate frozen
list, not a disposition — they are never exposed as tools. See
capability disposition and
authorization and exposure.
The catalog holds 38 tools: 14 always-agent tools and 24 optional tools across 10 groups.
Always-agent tools (14)
get_task_context, get_task_history, list_documents, read_document,
list_document_revisions, report_progress, answer_status_question,
finish_task, block_task, request_review, write_document,
request_human_input, register_deliverable, inspect_operation_result.
Optional tools (24), by group
| Group | Tools |
|---|---|
| discovery | search_tasks, list_agents, list_projects, list_goals |
| delegation_dependencies | create_task, set_dependencies |
| governance | list_approvals, request_approval, decide_approval, comment_on_approval |
| cases | list_cases, upsert_case |
| workspace_runtime | get_workspace_runtime, control_workspace_service |
| routines | list_routines, manage_routine |
| company_skills | create_skill, list_company_skills, sync_company_skills |
| secrets | list_secret_metadata, read_secret_value |
| portability_admin | export_company, administer_company |
| test_escape_hatch | generic_api_request |
Descriptor shape
Each descriptor carries operationId, version (1), title, description,
input/output JSON schemas, disposition, an optional optionalGroup,
requiredClaims, and optionally allowedRoles, taskModes, a sideEffectClass
(read, task_write, company_write, governance, workspace_control,
secret_read, admin, test_escape_hatch), an idempotency level, redaction
rules, and an abstract mockCommandMapping.
The mockCommandMapping is one of context_read, snapshot_read,
semantic_command, operation_result, or mock_extension — describing what
the tool does against the mock, never how a transport would carry it.
Transport neutrality
Bindings, not descriptors, produce provider shapes, both derived from the same
visibleTools.tools array:
CapabilityFakeAgentToolBindingemits{operationId, description, inputSchema, outputSchema}.CapabilityCodexToolBindingemits{type: "function", name, description, strict: true, parameters}.
Because both bindings derive from one array, the fake-agent and Codex operation surfaces are byte-identical. The conformance suite asserts this parity (the 18/18 fake-agent/Codex operation matrix).
Running the tests
pnpm --filter @paperclipai/paperclip-runner exec vitest run \
src/tools/capability-semantic-tools.test.ts
The "catalog" describe asserts a unique, versioned, provider-neutral catalog and that every optional group is present.