harness Cursor ruleB
harness from harnessprotocol/harness-kit is a Cursor rule: instructions the Cursor agent follows in that repo.
mdr add harnessprotocol/harness-kit/packages/core/fixtures/import/mixed-project/.cursor/rules/harness.mdc@git:20260704.8400dbaPins git:20260704.8400dba in mdr.lock. Pin the fingerprint instead.
- Audit grade
- B, 13 of 14 checks passed
- Kind
- Cursor rule
- Repository
- harnessprotocol/harness-kit
- Path
packages/core/fixtures/import/mixed-project/.cursor/rules/harness.mdc- Versions recorded
- 1
- Latest version
- git:20260704.8400dba, committed Jul 4, 2026
- Size
- 195 bytes
- Repository stars
- 10
- License
- Apache-2.0
Harness operational instructions.
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
Prefer small, reviewable diffs. When editing generated code, edit the generator instead of the output file.
Read the whole file at its exact version.
How to install
mdr add harnessprotocol/harness-kit/packages/core/fixtures/import/mixed-project/.cursor/rules/harness.mdc@sha256:ea81f82b52314dd9The line at the top of this page pins the label git:20260704.8400dba, 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.
[](https://markdownregistry.com/a/art_6v7jhv5i2qh5l2kb)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Jul 4, 2026.
Audit of the latest version
- fail: Size between 200 bytes and 200 KB (195 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
Starting a new one? Use the Cursor rule starter on mdpantry, which passes every one of these checks and says what to change in it.
Source
harnessprotocol/harness-kit · 10 stars · license Apache-2.0 · pushed 2026-10-22 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_6v7jhv5i2qh5l2kb GET https://markdownregistry.com/api/v1/resolve?ref=harnessprotocol/harness-kit/packages/core/fixtures/import/mixed-project/.cursor/rules/harness.mdc GET https://markdownregistry.com/api/v1/blob/ea81f82b52314dd9ac6da435bccaa00d697e91aa00dc6969aa64c8c91b11b67e
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: Cursor rules vs AGENTS.md · which agent file does what.
More from harnessprotocol/harness-kit
Every file in harnessprotocol/harness-kit