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Cliff Hall
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9b2c188d11 |
MRTR: drive input_required manually to keep pending-request UX (#1704) (#1719)
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* MRTR: drive input_required manually to keep pending-request UX (#1704) Follow-up to #1627/#1705. Instead of letting the SDK auto-fulfil the modern (2026-07-28) MRTR retry loop, InspectorClient now drives it itself so the Inspector keeps its pending-request UX, owns the loop, and shows era-accurate semantics. Core (core/mcp/inspectorClient.ts): - Construct the SDK Client with `inputRequired: { autoFulfill: false }` (unconditional; a no-op on legacy, which never returns input_required). - New `requestWithInputRequired()` driver: issues the request with `allowInputRequired` + `withInputRequired(schema)`, and while the result is `input_required`, fulfils each embedded request through the SAME pending sampling/elicitation plumbing, then retries the original call with `inputResponses` + the echoed `requestState` on a fresh id, bounded by MRTR_MAX_ROUNDS. - Route tools/call, prompts/get, and resources/read through the driver. - Embedded roots/list is auto-answered from configured roots (no pending UX); decline/cancel is echoed to the server (not treated as an abort); a tool-call abort mid-round settles the pending request and surfaces ToolCallCancelledError. - Extract shared `enqueuePendingSample`/`enqueuePendingElicitation` helpers used by both the legacy inbound handlers and the driver; add a per-request `origin` ("server-request" | "input-required") to the pending wrappers. Web UI: - New `MrtrOriginNote` element shows an "input_required — your answer returns as a retry" note on a modern MRTR round; legacy panels are unchanged. - Thread `origin` App -> PendingClientRequestModal -> the sampling/elicitation panels (and the inline panels). Test servers: new MRTR presets (multi-round, roots, sampling, loop, edge-case param shaping). Integration tests cover the manual round-trip (asserting the pending UI pauses and the retry carries inputResponses + requestState on a new id), multi-round, roots auto-answer, sampling, decline-echoed, maxRounds bound, abort mid-round, and requestState-only/inputRequests-only param shaping. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5 * Review: clarify sampling-reject and between-rounds abort comments (#1704) Address review nits on PR #1719 (comment-only, no behavior change): - enqueuePendingSample docstring: sampling has no decline/cancel action; the panel either sends a result (resolve) or Rejects (reject → fails the call). The shared "declined/cancelled resolves" wording was accurate only for the elicitation case. - callToolWithRetries abort comment: note the between-rounds case — when the abort lands while an MRTR round awaits an embedded pending request there is no in-flight SDK request, so nothing is sent on the wire; the outcome (ToolCallCancelledError, no failed-call record) is identical. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5 * test-servers: add mrtr-showcase config exercising every MRTR preset (#1704) A single modern-era streamable-HTTP server (port 3111) bundling all six MRTR presets — mrtr_confirm, mrtr_two_step, mrtr_sample, mrtr_roots, mrtr_edge, mrtr_loop — for manual testing of the manual-driving pending-request UX across single-round, multi-round, sampling, roots, param-shaping, and maxRounds paths. Document it in the README alongside modern-mrtr-http.json. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5 --------- Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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cliffhall
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19a6df7ad3 |
SDK v2 migration (behavior-neutral, versionNegotiation: 'legacy') (#1624)
Migrate all three clients + core + test-servers from
@modelcontextprotocol/sdk@1.29 to SDK v2 (2.0.0-beta.4), keeping behavior
identical against legacy (2025-11-25) servers. Foundation for the SDK V2 +
New Spec stack.
Packages
- Split @modelcontextprotocol/sdk -> @modelcontextprotocol/client (Client,
transports, OAuth, error taxonomy, protocol types) + core (Zod schemas);
stdio -> client/stdio, Ajv -> client/validators/ajv. Test-servers ->
@modelcontextprotocol/server (+ server-legacy/sse). Deterministic import
rewrite (schemas -> core, everything else -> client); the codemod misroutes
client code to /server so it was not used for path routing.
- new Client(..., { versionNegotiation: { mode: 'legacy' } }) — nothing
2026-era goes on the wire.
Runtime (core/mcp/inspectorClient.ts)
- Error taxonomy: McpError -> ProtocolError, ErrorCode -> ProtocolErrorCode;
RequestTimeout -> SdkError/SdkErrorCode.
- Handlers take method strings; task methods (tasks/*, notifications/tasks/*)
use the 3-arg custom form (excluded from v2's spec-method set).
- Legacy tasks kept working (per project requirement): requestor tasks re-
implemented over raw client.request + explicit deprecated schemas;
experimental.tasks.callToolStream replaced by a local pollTaskToolCall
async generator (with _progressHandlers revival so task-execution progress
still reaches the caller). Receiver (server-initiated) tasks: the v2 Client
validates a sampling/elicit handler result and rejects the legacy { task }
response with -32602 — installReceiverTaskResponseBypass swaps the wrapped
entry in the private _requestHandlers map for the task-augmented branch so
{ task } reaches the wire (fixes server-initiated sampling-via-task).
- Pagination: list verbs use raw client.request({method}, List*ResultSchema)
for single-page behavior (v2's client.listX() auto-aggregate all pages).
Web / auth / apps
- Rename local JsonSchemaType -> InspectorFormSchema + add toFormSchema()
structural narrowing at the SDK-schema -> form boundary.
- ext-apps still peers on SDK v1: one compat boundary with documented casts
(remove when ext-apps#702 lands a v2 peer).
- OAuth provider saveClientInformation reconciled with v2's
OAuthClientInformationContext; InvalidClientMetadataError re-homed as a
local class (server-legacy/auth is not browser-safe).
- vitest.shared.mts dedupes @modelcontextprotocol/client+core to one copy so
vi.mock intercepts the SUT's import.
Accepted v2 behavior changes (per #1624 / spec §9.2): unknown-tool call
rejects with -32602; cancellation is stream-abort (no guaranteed
notifications/cancelled frame); output-schema strictness restored via the
Inspector's own Ajv check on the default path.
npm run ci green: validate (web 3087 / cli 212 / tui 274 / launcher 5),
coverage (>=90 per-file, all clients), smoke (launcher/cli/web), storybook
(410).
Closes #1624
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Cliff Hall
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75f74d64c1 |
test(coverage): bootstrap vitest unit infra and add tests at 90%+ per file (#1245) (#1269)
* test(coverage): bootstrap vitest unit infra and add tests at 90%+ per file (#1245) Establishes the unit-test runtime AGENTS.md mandates: a vitest "unit" project alongside the existing storybook project, RTL + jest-dom + happy-dom, a Mantine-aware render helper, and a 90%-line per-file coverage gate enforced by CI. Adds 66 test files covering all 62 components under elements/groups/screens/views, plus core/mcp and clients/web/src/utils. Total: 577 tests, 98.7% line coverage globally. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * test(coverage): address PR #1269 review feedback - AGENTS.md: correct coverage gate description (lines ≥ 90, statements ≥ 85, functions ≥ 80, branches ≥ 50) with rationale for the relaxed branch threshold - InspectorView.test.tsx: document what the Math.random() mock values (0.1 / 0.99) control vs. STUB_SUCCESS_RATE in InspectorView.tsx - vite.config.ts / tsconfig.test.json: drop unused `globals: true` and the `vitest/globals` type now that every test file imports describe/it/expect/vi explicitly; manual `afterEach(cleanup)` in setup.ts remains required because testing-library auto-cleanup relies on globalThis.afterEach Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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