Coverage

125 emulators. Each one declares its own parity, and every emulator is isomorphic: the same package runs in the browser, in a worker, and on a server. Across all of them,1638 of 1781 contract operations are emulated, computed from each package at build time. Click a column to sort.


AHA	Phlebotomy orders and result files	Health & labs	2/2
Airtable	OAuth, base metadata, fields and record creation	Productivity	6/6
Amazon API Gateway REST API	Scaffold only; no vendor operations implemented or verified	Infrastructure	0/7
Amazon Certificate Manager	Documented operations; LocalStack differential scenarios	Identity	7/7
Amazon Cloud Control API	Scaffold only; no vendor operations implemented or verified	Storage	0/7
Amazon CloudFormation	Scaffold only; no vendor operations implemented or verified	Storage	0/7
Amazon CloudWatch Logs	Documented operations; LocalStack differential scenarios	Observability	7/7
Amazon CloudWatch Metrics	Documented operations; LocalStack differential scenarios	Observability	7/7
Amazon Cognito	User pools and browser auth	Identity	3/3
Amazon Config	Scaffold only; no vendor operations implemented or verified	Observability	0/7
Amazon Data Firehose	Documented operations; LocalStack differential scenarios	Communication	7/7
Amazon DynamoDB	Items, indexes, and transactions	Databases	1/1
Amazon DynamoDB Streams	Scaffold only; no vendor operations implemented or verified	Storage	0/7
Amazon Elastic Compute Cloud	Scaffold only; no vendor operations implemented or verified	Infrastructure	0/7
Amazon Elasticsearch Service	Scaffold only; no vendor operations implemented or verified	Storage	0/7
Amazon EventBridge Scheduler	Documented operations; LocalStack differential scenarios	Communication	7/7
Amazon Identity and Access Management	Documented operations; LocalStack differential scenarios	Identity	7/7
Amazon Key Management Service	Documented operations; LocalStack differential scenarios	Identity	7/7
Amazon Kinesis Data Streams	Documented operations; LocalStack differential scenarios	Communication	7/7
Amazon Lambda	Scaffold only; no vendor operations implemented or verified	Infrastructure	0/7
Amazon OpenSearch Service	Scaffold only; no vendor operations implemented or verified	Storage	0/7
Amazon Redshift	Scaffold only; no vendor operations implemented or verified	Storage	0/7
Amazon Resource Groups	Documented operations; LocalStack differential scenarios	Storage	7/7
Amazon Resource Groups Tagging API	Documented operations; LocalStack differential scenarios	Storage	7/7
Amazon Route 53	Scaffold only; no vendor operations implemented or verified	Infrastructure	0/7
Amazon Route 53 Resolver	Scaffold only; no vendor operations implemented or verified	Infrastructure	0/7
Amazon S3	Every MinIO S3 API, byte-exact against recorded MinIO transcripts	Storage	9/9
Amazon S3 Control	Scaffold only; no vendor operations implemented or verified	Storage	0/7
Amazon Security Token Service	Documented operations; LocalStack differential scenarios	Identity	7/7
Amazon Simple Email Service	Documented operations; LocalStack differential scenarios	Communication	7/7
Amazon Simple Notification Service	Documented operations; LocalStack differential scenarios	Communication	7/7
Amazon Simple Workflow Service	Scaffold only; no vendor operations implemented or verified	Communication	0/7
Amazon SQS	Queues, FIFO, and batches	Communication	1/1
Amazon Support API	Scaffold only; no vendor operations implemented or verified	Observability	0/7
Amazon Systems Manager Parameter Store	Documented operations; LocalStack differential scenarios	Identity	7/7
Amazon Textract	Document analysis jobs	AI & speech	1/1
App Store Connect	JWT-authenticated apps, users, invitations and TestFlight groups	Identity	14/14
Apple	Vendor API workflows compared with the pinned Emulate package oracle	Identity	6/6
AWS	Vendor API workflows compared with the pinned Emulate package oracle	Infrastructure	29/29
AWS Bedrock	Bedrock Runtime and AgentCore	AI & speech	5/6
AWS ECS	Fargate task acceptance, failures and container overrides	Communication	1/1
AWS Elemental MediaConvert	Jobs and EventBridge	Communication	4/4
AWS EventBridge	Seeded rule and target discovery with pagination	Communication	1/1
AWS IoT Core	HTTP Publish with SigV4, MQTT 5 sessions and custom-authorizer policies	Communication	1/1
AWS Polly & Transcribe	Polly and Transcribe	AI & speech	4/4
AWS Secrets Manager & SSM	Secrets Manager and Parameter Store	Identity	1/1
AWS Step Functions	Executions and history	Productivity	1/1
Brevo	Contact identity and CRUD	Marketing	4/4
CareTalk	Forms, patients, and appointments	Health & labs	9/9
Checkr	Candidates, invitation lifecycle, hierarchy and report reads	Identity	10/10
Clerk	Vendor API workflows compared with the pinned Emulate package oracle	Identity	44/44
Cloudflare Turnstile	Siteverify JSON/form tokens, expiry and replay	Identity	1/1
Customer.io	CDP, messaging, and webhooks	Marketing	14/14
Daily	Rooms, tokens, and webhooks	Communication	9/9
Docker Engine	Docker Engine container lifecycle, logs and streams	Infrastructure	12/13
EasyPost	Trackers	Maps & logistics	3/3
Edamam	Food, nutrition, and recipes	Health & labs	10/10
ElevenLabs	Text to speech: MP3, raw PCM and WAV answers, errors, scripted audio	AI & speech	1/1
EMQX	MQTT 5 sessions, JWT ACLs, REST publish and client kick	Communication	2/2
Firebase Cloud Messaging	FCM HTTP v1 send	Communication	1/1
FirstPromoter	Promoters, referrals, and webhooks	Marketing	17/17
Fitbit	OAuth PKCE, activity log, sleep and daily summary	Health & labs	8/8
Flex	Checkout, subscriptions, and webhooks	Payments	14/14
Formbricks	Surveys, responses, and webhooks	Productivity	8/8
Fullscript	Lab orders and result files	Health & labs	10/10
Garmin Health	OAuth PKCE, backfill requests, push and ping webhooks	Health & labs	6/6
Gene by Gene	Orders, kits, results, and webhooks	Health & labs	30/51
GitHub	GitHub REST repositories, refs and pull requests	Infrastructure	239/239
Google	Vendor API workflows compared with the pinned Emulate package oracle	Productivity	62/62
Google Ads & GA4	GAQL metrics, campaign budgets, conversions and GA4 events/reports	Marketing	8/8
Google Calendar	Events and OAuth	Productivity	12/12
Google Maps	Places, geocoding, and address validation	Maps & logistics	6/6
Grafana Tempo	OTLP trace ingest, TraceQL search, trace lookup and tag names	Observability	4/4
Healthie	GraphQL users, documents, and billing	Health & labs	2/2
Hermes Agent	Pinned Hermes run lifecycle and recovery	Infrastructure	3/6
Infisical	Universal Auth and versioned raw secrets	Identity	6/6
Intercom	Contacts, conversations, and webhooks	Communication	14/14
Junction	Users, orders, and lab results	Health & labs	42/42
Kill Bill	Accounts, subscriptions, and invoices	Payments	16/16
Klaviyo	Events	Marketing	3/3
LifeFile	Orders, cancellation and Data Push (best guess)	Pharmacy	2/2
Linear	Vendor API workflows compared with the pinned Emulate package oracle	Productivity	7/7
LiveKit	Rooms, grants, and webhooks	Communication	6/6
LlamaCloud	Pipelines and retrieval	AI & speech	10/10
Mailosaur	Messages and ingest	Communication	8/8
Medplum	FHIR R4, OAuth, and admin	Health & labs	54/54
Meta	Conversions events and marketing insights	Marketing	3/3
Microsoft	Vendor API workflows compared with the pinned Emulate package oracle	Identity	12/12
MongoDB Atlas	Vendor API workflows compared with the pinned Emulate package oracle	Infrastructure	24/24
Notion	2022-06-28 database search and page creation	Productivity	4/4
OAuth & Social Login	OIDC and social login	Identity	32/32
Okta	Vendor API workflows compared with the pinned Emulate package oracle	Identity	56/56
OpenAI	Scripted chat/tool calls, SSE, embeddings, models, files and uploads	AI & speech	16/16
OpenTelemetry	OTLP traces and logs	Observability	10/10
Optimal DX	Patients, reports, and webhooks	Health & labs	15/15
Oura	OAuth refresh and wearable collection windows	Health & labs	10/10
Paddle	Billing, subscriptions, and webhooks	Payments	42/50
Payload CMS	Collection REST	Productivity	2/2
Persona	Inquiries and webhooks	Identity	5/5
Pharmetika	Medication orders and webhooks	Pharmacy	9/9
Plane	Work items, comments, and states	Productivity	16/16
Polar	OAuth code exchange, user registration and exercise windows	Health & labs	5/5
PostgreSQL	In-memory SQL engine	Databases	SQL engine	–
PostHog	Flags, capture, and HogQL	Observability	21/21
Prism Labs	Body scans and measurements	Health & labs	11/11
reCAPTCHA	v3 browser API and token verification	Identity	2/2
Redis	RESP replies, expiration, transactions, and streams	Databases	Full server	–
Resend	Email send and inbound webhooks	Communication	25/25
RxVortex	Orders and status webhooks	Pharmacy	5/5
Sentry	SDK ingestion, events, issues and attachments	Observability	12/12
Slack	Webhooks, Web API, and Socket Mode	Communication	75/75
SQLite	In-memory SQL engine	Databases	SQL engine	–	–
Stripe	Payments, billing, and webhooks	Payments	122/126
Suunto	OAuth, workouts and 24/7 sleep, activity and daily samples	Health & labs	7/7
Tavily	Scripted search, URL extraction and SDK errors	AI & speech	2/2
Twilio	Verify, Lookup, Messaging, and voice	Communication	80/80
Unsplash	Photo search, pagination and attribution	Storage	3/3
Vanta	OAuth, people, evidence uploads and offboarding	Productivity	10/10
Vercel	Vendor API workflows compared with the pinned Emulate package oracle	Infrastructure	52/52
Vercel Blob	Uploads, public bytes, metadata, list, copy, delete and multipart	Storage	7/7
Vibe	OAuth and asynchronous JSON reports	Marketing	4/4
VPI	Prescriptions and status lists	Pharmacy	18/18
Wholescripts	Catalogs, orders, and cancel	Pharmacy	5/5
WHOOP	OAuth refresh and wearable collection windows	Health & labs	7/7
WorkOS	AuthKit codes, signed sessions, refresh and user pagination	Identity	4/4

Parity: The vendor surface this emulator keeps in step, declared by the package.
Operations: Emulated operations out of every operation in the package's vendored OpenAPI contract.
In-process: Exports createRuntime(): a fetch(Request) → Response for tests.
Server: Ships <package>/server, a Node HTTP server for a local origin.
CLI: Ships a mockingbird-<name> serve binary.