AI Mock — Watchlist | MCP100 Index

MCP100 Assessment

Watchlist / Tracking

Why we’re tracking it

Follow-up value is specific to Deterministic mocks for MCP tools, resources, prompts and sessions: Do protocol mocks reproduce current MCP session and error behavior sufficiently for repeatable tests?

Reviewed Oct 5, 2026 · Documentation review; complete setup workflow not independently tested

Best fit

Deterministic local mocks and record/replay for AI providers, MCP and agent protocols.

What we know

AI Mock provides deterministic local mocks and record/replay tooling for AI providers, MCP, A2A, AG-UI, vector/search services and related APIs.

Maintenance / activity evidence

@copilotkit/aimock 1.43.0 published 2026-09-22T20:57:43.160Z

Tracking evidence observed Oct 5, 2026. These dated signals do not establish current maintenance. Reviewed enrichment confidence: high.

Verification gaps / watch-outs

Installation and comprehensive security have not been independently audited.
Can proxy configured real APIs in record mode. Writes: Writes local fixtures/recordings.
Local mocks need no keys; real record mode uses provider credentials.
Sensitive access: Prompts and test payloads, Provider credentials in record mode

Local mock mode is isolated, but record/proxy mode can transmit test data and credentials to real providers.

Full authority, access and evidence limits are available in Review context and Access & risk.

Popularity

963 repository stars · 5.4M package downloads / 30 days

Stars observed Oct 6, 2026. Downloads observed Oct 6, 2026.

All limitations / Review context

Do protocol mocks reproduce current MCP session and error behavior sufficiently for repeatable tests?

The bounded review of the publisher's documented Deterministic mocks for MCP tools, resources, prompts and sessions and release notices identified no disclosed material condition preventing an accurately scoped public tracking entry. The resource's operational permissions remain uncertainty; this assessment does not certify installation safety.

Local mock mode is isolated, but record/proxy mode can transmit test data and credentials to real providers.
Can proxy configured real APIs in record mode.
Local mocks need no keys; real record mode uses provider credentials.
Local fixtures stay local; record mode sends requests to configured upstreams.
Reviewed write actions: Writes local fixtures/recordings
Sensitive access: Prompts and test payloads, Provider credentials in record mode
Installation, client compatibility and comprehensive security have not been independently audited. Authentication and access depend on the configured services.
Runtime behavior, dependencies and undisclosed vulnerabilities were not independently audited.
Documented tool authority and any remote data handling must be checked before installation or use.
Tool inventory, client matrix and permissions completeness were not requirements for this Radar tracking review.
Record mode can call real upstream APIs.
Mock behavior is intentionally simulated and may not reproduce all provider edge cases.

Original activity observations

@copilotkit/aimock 1.43.0 published 2026-09-22T20:57:43.160Z

Technical identity

npm/@copilotkit/aimock

Exact implementation source: https://www.npmjs.com/package/@copilotkit/aimock ↗
Reviewed resource type: Testing / Debugging
Repository identity: CopilotKit/aimock
Package identity: npm:@copilotkit/aimock
Service endpoint: http://127.0.0.1:4010

Evidence & Sources

Evidence basis: Recorded source evidence
Setup runtime verification: Not independently runtime-tested by MCP100 for this setup workflow.

Reviewed Oct 5, 2026 · Latest source observation Oct 6, 2026

Package registry ↗
@copilotkit/aimock
Recorded package identity, distribution or download evidence.
Includes references whose attribution is not established.
GitHub repository ↗
copilotkit/aimock
Repository reference; implementation attribution is not established for every document.
Includes references whose attribution is not established.

Setup · Watchlist

Testing / Debugging setup

Publisher instructions.

Source evidence observed Oct 14, 2026.

Additional setup details required — see the specific gaps below.

Warning

Test/mock server SDK and CLI (`npx @copilotkit/aimock --config aimock.json`); not a standalone MCP provider.
Never register fabricated mcpServers config. Mock keys are not real provider credentials.
Earlier review note retained for provenance; the V3 verified fields take precedence: Targeted 2026-10-13 re-research: AI testing/mocking SDK; running its mock provider is not the same as registering an MCP server.
Supported in publisher npm README; confirm local platform/prerequisites and never paste credentials as literals.
Prior reviewed safety note: Do not place orders, spend tokens, modify infrastructure or upload confidential files as a test.
Prior reviewed safety note: Do not invent a one-line reversal command.
Client unregister, package uninstall, data deletion, and OAuth/API token/wallet permissions are distinct.

Install / connect
Publisher instructions
Test/mock server SDK and CLI (`npx @copilotkit/aimock --config aimock.json`); not a standalone MCP provider.
mocking sdk install not standalone mcp · Publisher instructions
npm install @copilotkit/aimock
Configure / authenticate
MCP100 setup guide
`npm install @copilotkit/aimock` adds an API mocking/testing SDK. Run the published `npx -p @copilotkit/aimock llmock ...` only with your own test fixtures; no standalone MCP server is installed by the base SDK.
Previously reviewed client configuration / prerequisites: No external API key is required for mocked model backend.
Check connection
Suggested check
Use `npx @copilotkit/aimock validate ./fixtures/` with a known local fixture rather than remote LLM calls.
Remove / uninstall / revoke
MCP100 setup guide
Remove the SDK/import or integration from the consuming application, then uninstall only its exact package if installed; stop any app server separately. This product does not by itself create an MCP host registration.
Client unregister, package uninstall, data deletion, and OAuth/API token/wallet permissions are distinct.
Package / application cleanup · matching installation environment · MCP100 composed guide
npm uninstall @copilotkit/aimock

Official Documentation & Sources

What it does

AI Mock provides deterministic local mocks and record/replay tooling for AI providers, MCP, A2A, AG-UI, vector/search services and related APIs.

Capability: Security & Testing
Resource type: Testing / Debugging
Industry: Software & Technology
Best fit: Deterministic local mocks and record/replay for AI providers, MCP and agent protocols.

Representative uses

Mock model-provider APIs
Mock MCP and agent protocols
Record and replay real responses
Inject latency, rate limits and malformed responses

Limitations

Record mode can call real upstream APIs.
Mock behavior is intentionally simulated and may not reproduce all provider edge cases.

Reviewed access

Access & risk

Review the exact access boundary before connecting this MCP to accounts, credentials, or sensitive data.

Authentication: Local mocks need no keys; real record mode uses provider credentials.
Permissions: Can proxy configured real APIs in record mode.
Data handling: Local fixtures stay local; record mode sends requests to configured upstreams.
Cost: free
Risk and cautions: Local mock mode is isolated, but record/proxy mode can transmit test data and credentials to real providers.

Access scope and cautions

Write actions: Writes local fixtures/recordings
Sensitive access: Prompts and test payloads Provider credentials in record mode
Risk level: moderate

FAQ

Based on reviewed evidence as of 2026-10-06. Watchlist tracking is not a recommendation or a security certification.

Which tasks are documented for this implementation?

The reviewed tasks include: Mock model-provider APIs; Mock MCP and agent protocols; Record and replay real responses; Inject latency, rate limits and malformed responses.

What setup and authentication are documented?

A complete connection procedure is not verified. Recorded endpoint: http://127.0.0.1:4010. Recorded transport: other. These facts do not supply missing installation commands, credentials or a verified authentication procedure. Authentication: No keys required for local mocks; record mode may require real provider credentials.

Can it modify data or perform write operations?

Documented write actions include: Writes local fixtures/recordings. Recorded permission boundary: Can proxy configured real APIs in record mode.

What data-handling boundary should I consider?

Local fixtures stay local; record mode sends requests to configured upstreams. Recorded sensitive-access context: Prompts and test payloads; Provider credentials in record mode.

What limitations and risks should I check before use?

Local mock mode is isolated, but record/proxy mode can transmit test data and credentials to real providers. Record mode can call real upstream APIs. Mock behavior is intentionally simulated and may not reproduce all provider edge cases. Runtime behavior, dependencies and undisclosed vulnerabilities were not independently audited. Documented tool authority and any remote data handling must be checked before installation or use.

Is this an official MCP?

CopilotKit is listed as First-party MCP in MCP100’s current evidence.