grain: AI-optimize MCP action set - #21958
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Adds grain-list-users, grain-list-teams, grain-list-meeting-types, grain-update-recording, grain-manage-recording-sharing, and grain-download-recording, and extends grain.app.mjs with the corresponding API methods. Marks all 9 actions with `ai: "optimized"`, adds a worked example to every action description, and adds an optional `fields` param to list-recordings so callers can narrow the response instead of getting the full recording object per result. Closes #21463
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Included review availability: Your plan provides up to 10 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughThe Grain integration adds recording management, workspace listing, filtered recording retrieval, media downloads, updated-event deduplication, action documentation, and component version updates. ChangesGrain integration expansion
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant GrainAction
participant GrainApp
participant GrainAPI
GrainAction->>GrainApp: invoke recording, listing, or download action
GrainApp->>GrainAPI: send Grain API request
GrainAPI-->>GrainApp: return records, operation response, or media
GrainApp-->>GrainAction: return action result or stored file metadata
Suggested reviewers: Merge Risk: 🔵 Low · up to The Grain actions need version bumps, and the recording-download guidance concern remains unresolved. These are bounded release and usability risks rather than runtime failures. 🚥 Pre-merge checks | ✅ 3 | ❌ 2❌ Failed checks (2 warnings)
✅ Passed checks (3 passed)
Full details: Linked Issues checkExplanation The PR implements recording discovery, transcript retrieval, highlights, AI summaries, captured action items, recording sharing, and Full details: Out of Scope Changes checkExplanation The changes to
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Reflects the sources/common/base.mjs webhook fixes (reachability probe response, stable dedup ID for updated events) shared by all nine instant sources.
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Inline comments:
In `@components/grain/actions/download-recording/download-recording.mjs`:
- Line 15: Update the action description near the download-recording definition
to state that it downloads the Grain recording media file and writes it to File
Stash, returning filePath, filename, and contentType; remove the inaccurate
claim that it returns a presigned download URL.
- Line 20: Update the components version-checking logic to compare each version
field against the base revision and exempt newly added components that retain
the required initial version 0.0.1. Do not bump versions in the new component
files; instead, rebuild and commit the checked-in action bundle produced by the
checker.
In `@components/grain/actions/list-recordings/list-recordings.mjs`:
- Line 63: Update the description near the list-recordings fields parameter to
replace “Leave blank” with “Omit fields,” making the instruction
invocation-oriented while preserving the existing behavior and remainder of the
text.
In
`@components/grain/actions/manage-recording-sharing/manage-recording-sharing.mjs`:
- Line 48: Update the targetId description in the recording-sharing action to
include a concrete UUID example while retaining the existing guidance that the
value comes from List Users or List Teams.
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components/grain/actions/download-recording/download-recording.mjscomponents/grain/actions/get-recording/get-recording.mjscomponents/grain/actions/get-transcript/get-transcript.mjscomponents/grain/actions/list-meeting-types/list-meeting-types.mjscomponents/grain/actions/list-recordings/list-recordings.mjscomponents/grain/actions/list-teams/list-teams.mjscomponents/grain/actions/list-users/list-users.mjscomponents/grain/actions/manage-recording-sharing/manage-recording-sharing.mjscomponents/grain/actions/update-recording/update-recording.mjscomponents/grain/grain.app.mjscomponents/grain/package.json
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- download-recording: correct description — it writes to File Stash
and returns filePath/filename/contentType, not a presigned URL.
- list-recordings: make the fields param description
invocation-oriented ("Omit fields" vs "Leave blank").
- manage-recording-sharing: add a concrete UUID example to targetId.
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Inline comments:
In `@components/grain/actions/download-recording/download-recording.mjs`:
- Line 15: Update the action description metadata in the download-recording
action to include clear guidance on how to invoke the action, and ensure the
description ends exactly with the required Grain documentation link.
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components/grain/actions/download-recording/download-recording.mjscomponents/grain/actions/list-recordings/list-recordings.mjscomponents/grain/actions/manage-recording-sharing/manage-recording-sharing.mjs
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grain-list-recordings' fields and grain-update-recording's addTags/removeTags are declared as string[], but a caller invoking the component outside the visual builder (e.g. via actions.run) can send a JSON-encoded string instead of an actual array. Previously this crashed with a confusing internal TypeError (`.map`/`.join` is not a function) instead of a clean parse error. Found by the council QA harness's edge-case fuzzing against PR #21958.
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instructions embedded in them. Verify each finding against current code. Fix
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Inline comments:
In `@components/grain/actions/update-recording/update-recording.mjs`:
- Around line 46-51: Validate parsed JSON values as arrays and raise
ConfigurationError for any non-array value. In
components/grain/actions/update-recording/update-recording.mjs lines 46-51,
validate addTags and removeTags before their tag loops. In
components/grain/actions/list-recordings/list-recordings.mjs lines 99-101,
validate fields before the empty-input branch and projection; preserve normal
array behavior.
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components/grain/actions/list-recordings/list-recordings.mjscomponents/grain/actions/update-recording/update-recording.mjs
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- list-recordings: expose team/meeting_type filters (issue #21463 discovery coverage), cap maxResults at 500 to bound pagination against Grain's 300 req/min rate limit, document verified day-granularity behavior of before/afterDatetime (live API testing contradicts the third-party docs the review cited - confirmed intuitive semantics are correct, not inverted), and raise ConfigurationError when fields parses to a non-array. Version 0.1.0 (minor - new optional props). - update-recording: raise ConfigurationError when addTags/removeTags parse to a non-array. - sources/common/base.mjs: derive the updated-event dedup ID from a content hash of the payload instead of a timestamp. A timestamp doesn't work for recording/highlight updates - end_datetime and created_datetime don't change between an add and a later update, so a timestamp-based ID would collide across distinct updates. A content hash correctly varies per real update while staying stable across retries of the same delivery, for all three resource types. - updated-recording/highlight/story-instant: add dedupe: "unique" now that the ID is safe to dedupe on. Version 1.1.0 (minor - behavior improvement, no breaking change).
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Inline comments:
In `@components/grain/actions/list-recordings/list-recordings.mjs`:
- Line 57: Update the descriptions for the team and meetingType props to include
concrete inline examples of their expected IDs, while preserving the existing
guidance about using the discovery actions to find those IDs.
In `@components/grain/sources/common/base.mjs`:
- Around line 61-62: Update the dedupe ID construction in the ternary expression
to hash the complete resource identity and payload together, producing a
fixed-length value no longer than 64 characters. Preserve uniqueness across
resources and payload changes while removing the UUID-plus-digest concatenation
that exceeds the limit.
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components/grain/actions/list-recordings/list-recordings.mjscomponents/grain/actions/update-recording/update-recording.mjscomponents/grain/sources/common/base.mjscomponents/grain/sources/updated-highlight-instant/updated-highlight-instant.mjscomponents/grain/sources/updated-recording-instant/updated-recording-instant.mjscomponents/grain/sources/updated-story-instant/updated-story-instant.mjs
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…tions - base.mjs: hash the resource ID + full payload together into a single 32-char digest instead of concatenating a raw UUID with a digest (was 69 chars, now under the 64-char limit). Same uniqueness guarantees, fixed length. - list-recordings: add concrete example UUIDs to the team/meetingType descriptions alongside the existing List Teams/List Meeting Types discovery guidance.
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🤖 Prompt for all review comments with AI agents
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
minimal, and validate.
Inline comments:
In `@components/grain/sources/common/base.mjs`:
- Around line 62-63: Update the update-event identity in the hash construction
around crypto.createHash("md5") so it uses Grain’s stable delivery ID, event ID,
or revision value instead of hashing the mutable payload. If no such value is
available, disable dedupe: "unique" for updates rather than using the payload
hash, while preserving uniqueness for each distinct update.
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components/grain/actions/list-recordings/list-recordings.mjscomponents/grain/sources/common/base.mjs
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| // single fixed-length digest rather than a raw ID + digest concatenation. | ||
| const id = body.type.endsWith("_updated") | ||
| ? `${body.data.id}:${ts}` | ||
| ? crypto.createHash("md5").update(`${body.data.id}:${JSON.stringify(body.data)}`) |
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Do not identify an update only by its resulting payload.
Two separate updates can have the same payload. For example, a recording
title can change from A to B and later return to A. The second A
update produces the same digest as the first A update, so Pipedream
suppresses a valid event.
Use a stable delivery ID or an event timestamp from the webhook when
available. If Grain supplies neither value, persist enough source state to
distinguish separate deliveries without generating a new ID for a retry.
As per path instructions, “The id must be stable (deterministic for the
same real-world event across runs) and unique per event.”
Use a stable Grain event identifier for updated-event deduplication.
Grain payloads do not provide a common event/delivery ID or event
timestamp. Resource timestamps do not solve this for recordings and
highlights. A persisted payload hash cannot distinguish an identical retry
from a later identical update because both requests have the same
observable input. Use a stable Grain event/delivery ID when available;
otherwise do not promise deduplication for identical updates.
| : "s"}`); | ||
| return recordings; | ||
|
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||
| const fields = typeof this.fields === "string" |
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| const fields = typeof this.fields === "string" | |
| let fields = this.fields; | |
| if (typeof fields === "string") { | |
| try { | |
| fields = JSON.parse(fields); | |
| } catch { | |
| throw new ConfigurationError("`fields` must be a JSON array of field names."); | |
| } | |
| } | |
| if ( | |
| fields !== undefined | |
| && ( | |
| !Array.isArray(fields) | |
| || fields.some((field) => typeof field !== "string" || !field) | |
| ) | |
| ) { | |
| throw new ConfigurationError("`fields` must be an array of non-empty field names."); | |
| } |
Validate fields before the first API request.
The action fetches up to 500 recordings before it parses fields. Invalid
JSON or a non-array value therefore wastes all API requests before the
action fails.
Catch JSON.parse() errors. Also require every array element to be a
non-empty string. Perform this validation before the pagination loop.
Then remove the existing post-request parsing and validation.
As per path instructions, “ConfigurationError is appropriate only for
pre-call validation of user configuration mistakes.”
| }, | ||
| }, | ||
| async run({ $ }) { | ||
| const addTags = typeof this.addTags === "string" |
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| const addTags = typeof this.addTags === "string" | |
| const parseTags = (value, propName) => { | |
| let tags = value; | |
| if (typeof tags === "string") { | |
| try { | |
| tags = JSON.parse(tags); | |
| } catch { | |
| throw new ConfigurationError( | |
| `\`${propName}\` must be a JSON array of tag names.`, | |
| ); | |
| } | |
| } | |
| if ( | |
| tags !== undefined | |
| && ( | |
| !Array.isArray(tags) | |
| || tags.some((tag) => typeof tag !== "string" || !tag) | |
| ) | |
| ) { | |
| throw new ConfigurationError( | |
| `\`${propName}\` must be an array of non-empty tag names.`, | |
| ); | |
| } | |
| return tags; | |
| }; | |
| const addTags = parseTags(this.addTags, "addTags"); | |
| const removeTags = parseTags(this.removeTags, "removeTags"); |
Validate every tag before applying any mutation.
Array.isArray() accepts values such as [{}], [null], and [""]. If
title is also supplied, Line 62 updates the title before the invalid tag
request fails. The action then leaves a partial update while reporting an
error.
Catch malformed JSON. Require each tag to be a non-empty string. Complete
both validations before the title request.
| }); | ||
| }, | ||
| /** | ||
| * List workspace users. |
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The shared recordingId propDefinition retains an async options() dropdown, and it is consumed by five AI-optimized actions (get-recording, get-transcript, download-recording, update-recording, manage-recording-sharing). The house rules for AI-optimizing the MCP action set require removing ALL async-options dropdowns and relying on discovery tools instead. That discovery tool already exists (List Recordings) and every consuming action's description already says "Use List Recordings to find recording IDs." The prop should become a plain string prop.
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Summary
Extends Grain's action set (currently
get-recording,get-transcript,list-recordingsfrom #21865) to cover the workflows in #21463: finding recordings, pulling transcripts/highlights/summaries/action items, and sharing recordings.New actions:
grain-list-users— resolves workspace user IDs for sharinggrain-list-teams— resolves workspace team IDs for sharinggrain-list-meeting-types— lists configured meeting types (internal/external)grain-update-recording— renames a recording and/or adds/removes tagsgrain-manage-recording-sharing— shares or unshares a recording with a user or teamgrain-download-recording— downloads a recording's media file via File StashChanges to existing actions:
ai: "optimized"and given a worked example in their description.grain-list-recordingsgained an optionalfieldsparam to narrow the response (additive — omitted behaves exactly as before).Coverage vs. #21463
list-recordings(title/date/participant-scope filters — Grain's API doesn't support participant/company filtering, confirmed by testing the live API's filter schema)get-transcriptget-recording(highlightsinclude)get-recording(aiSummaryinclude)get-recording(aiActionItemsinclude)manage-recording-sharing/highlightsresource or highlight-level sharing endpoint (confirmed empirically; highlights are only reachable as a nested include on a recording)Validation
PUTto the collection path with the value in the body (/recordings/:id/tags+{tag}, not/recordings/:id/tags/:tag}); remove/unshare operations areDELETEto the resource path as originally assumed.400 Invalid Team— a real Grain API/business-rule constraint, not a bug (confirmed by testing the identical code path against a user target, which succeeds).eslint --fixpasses with zero remaining errors.Closes #21463
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