mgrep is a command-line search tool that finds information by meaning across code, text, PDFs, and images, rather than matching only exact words. Developers and coding agents use it to index repositories and search local files or the web with natural-language queries. Its catalogue entries add commands, skills, instructions, and a plugin for integrating mgrep into agent workflows.
Borrowing it
Nothing to install: this file belongs to mixedbread-ai/mgrep. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/mixedbread-ai/mgrep/main/.claude/commands/add-test.mdgit clone --depth 1 https://github.com/mixedbread-ai/mgrepWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/commands/mixedbread-ai/mgrep/add-test)<a href="https://agentmods.dev/commands/mixedbread-ai/mgrep/add-test"><img src="https://agentmods.dev/badge/commands/mixedbread-ai/mgrep/add-test/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/mixedbread-ai/mgrep/add-test"><img src="https://agentmods.dev/badge/commands/mixedbread-ai/mgrep/add-test.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00000 | $0.00223 |
| Opus 5.5 | $0.00000 | $0.00089 |
| Sonnet 5.5 | $0.00000 | $0.00045 |
| Haiku 4.5 | $0.00000 | $0.00022 |
Grade A, and why
add-test scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Add Test
Add a new test case to the test suite.
Arguments
$ARGUMENTS- Description of what to test (e.g., "search with empty query returns error")
Steps
-
Read the existing tests in
test/test.batsto understand the current patterns. -
Add a new test following this pattern:
@test "$ARGUMENTS" { # Setup (if needed) # Execute run mgrep <command> <args> # Assert assert_success # or assert_failure assert_output --partial "expected output" } -
For long-running tests, add the tag:
# bats test_tags=long-running @test "$ARGUMENTS" { ... } -
Run the test to verify it works:
bats test/test.bats --filter "$ARGUMENTS" -
Ensure all tests still pass:
pnpm test
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 45 lines · 0 tokens per session scan A 8c306a6cb9fb
add-test is a command published in the GitHub repository mixedbread-ai/mgrep (4,426 stars, last pushed 6mo ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 223 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other commands, from other repositories
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kill-mutants
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lg:node
Create, modify, and manage nodes in LangGraph graphs including LLM nodes, tool nodes, human-in-the-loop, subgraphs, and conditional nodes.
test-audit
Writes a versioned TESTAUDIT.md; with --fix, quarantines the rot in gated, revertible commits. TRIGGER WHEN: auditing a test suite, measuring test health, finding dead or flaky or redundant tests, or diagnosing failure causes and proposing temporary quarantine. DO NOT TRIGGER WHEN: one module's tests are consolidated…
story-and-test
For the component(s) in scope.
test
Execute a comprehensive test run for the following target.