grpc-mock SKILL.md skillA

grpc-mock from testland/qa is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add testland/qa/grpc-mock@git:20260813.0ecb572

Pins git:20260813.0ecb572 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
testland/qa
Path
plugins/qa-grpc/skills/grpc-mock/SKILL.md
Versions recorded
5
Latest version
git:20260813.0ecb572, committed Aug 13, 2026
First version recorded
Jun 13, 2026
Size
13,286 bytes
Repository stars
11
License
MIT

Wraps gRPC server-mocking patterns for client-side tests: Go bufconn (in-memory net.Listener via google.golang.org/grpc/test/bufconn) + mockgen-generated interface mocks, Python pytest-grpc fixtures + unittest.mock patching of stubs, JVM grpc-mock library / in-process gRPC server (InProcessServerBuilder), Node @grpc/grpc-js fake server with NewServer-on-port-0. Also carries the interceptor-layer test patterns (Go / Java / grpc-js auth, retry, logging, error-mapping, chained ordering via a spy…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# grpc-mock

## Overview

Mocking a gRPC server lets client-side tests exercise success
paths, every `grpc.StatusCode` (per the status-code catalog in
`grpc-streaming-test-author`, references/status-codes.md),
timeouts, and streaming sequences without a real backend. The
in-process harness is also the substrate for interceptor tests -
see [references/interceptors.md](references/interceptors.md).

Three approaches dominate, picked by language:

| Approach | Mechanism |
|---|---|
| **In-process gRPC server** | A real `grpc.Server` listens on an in-memory transport (`bufconn` in Go, `InProcessServerBuilder` in JVM). Tests exercise the full client stack. |
| **Interface mock** | `mockgen` / `gomock` (Go) / Mockito (JVM) / `unittest.mock` (Python) replace the generated client stub with a programmable mock. Faster but skips marshalling. |
| **Standalone mock server** | Run a tool like `grpcmock` / `dishwasher` as a subprocess. Cross-language client testing. |

## When to use

- Client-side tests need controllable gRPC responses (success +
  error matrix).
- Streaming-RPC tests need a server that sends a deterministic
  sequence.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add testland/qa/grpc-mock@sha256:57dab1684242a435

The line at the top of this page pins the label git:20260813.0ecb572, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

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Versions

The registry has recorded 5 versions of this file, between Jun 13, 2026 and Aug 13, 2026, about one every 15 days.

versioncommittedcommitsizeaudit
git:20260813.0ecb572 latest2026-08-13 0ecb572 13,286 BA view · diff
git:20260724.d4db7562026-07-24 d4db756 12,527 BA view · diff
git:20260718.ab299072026-07-18 ab29907 12,905 BA view · diff
git:20260706.4e1409c2026-07-06 4e1409c 12,962 BA view · diff
git:20260613.c5fb5512026-06-13 c5fb551 12,979 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (13286 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

testland/qa · 11 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_wad5sas566l4bptz
GET https://markdownregistry.com/api/v1/resolve?ref=testland/qa/grpc-mock
GET https://markdownregistry.com/api/v1/blob/57dab1684242a435a2e2e592ac9ad2c7e719413c3263b5d31cf1cac3ff8ff9f7

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Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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