Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/teabranch/open-responses-server/markdownlintnpx skills add teabranch/open-responses-server --skill markdownlintgit clone --depth 1 https://github.com/teabranch/open-responses-serverWrote 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/skills/teabranch/open-responses-server/markdownlint)<a href="https://agentmods.dev/skills/teabranch/open-responses-server/markdownlint"><img src="https://agentmods.dev/badge/skills/teabranch/open-responses-server/markdownlint.svg" alt="Measured on agentmods" 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 | $0.00053 | $0.00566 |
| Opus 5 | $0.00026 | $0.00283 |
| Sonnet 5 | $0.00011 | $0.00113 |
| Haiku 4.5 | $0.00005 | $0.00057 |
Grade A, and why
markdownlint 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 5d 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
Markdownlint Skill
Lint all documentation markdown files and optionally auto-fix issues.
Quick Usage
Check all docs
bash .claude/skills/markdownlint/scripts/lint-docs.sh
Auto-fix fixable issues
bash .claude/skills/markdownlint/scripts/lint-docs.sh --fix
Check specific files
bash .claude/skills/markdownlint/scripts/lint-docs.sh docs/events-and-tool-handling.md
What Gets Linted
By default the script lints:
docs/*.md— top-level documentationindex.md— Jekyll home pageCLAUDE.md— repo guidance.claude/skills/**/*.md— skill definitions
Excluded by default:
docs/plan/— historical planning archivesdocs/prompts/— prompt templatesdocs/pip-publish-instructions.md— legacy docdocs/using-uv.md— legacy doc
Configuration
The script uses whichever config is found first:
- Project-level
.markdownlint-cli2.yaml(in repo root) - Global
~/.markdownlint-cli2.yaml - markdownlint built-in defaults
The global config disables:
- MD013 (line length) — too noisy for content-heavy docs and tables
- MD060 (table pipe spacing) — stylistic preference
Workflow
After editing any .md file:
- Run
bash .claude/skills/markdownlint/scripts/lint-docs.sh - If issues found, run with
--fixto auto-fix what can be fixed - Manually fix remaining issues
- Re-run to verify clean
Common Rules
| Rule | What It Checks |
|---|---|
| MD001 | Heading levels increment by one |
| MD004 | Consistent unordered list style (dashes) |
| MD009 | No trailing spaces |
| MD022 | Blank lines around headings |
| MD025 | Single H1 per document (use front matter title) |
| MD031 | Blank lines around fenced code blocks |
| MD032 | Blank lines around lists |
| MD040 | Fenced code blocks should have a language |
| MD047 | Files end with a single newline |
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 5d ago First seen · 85 lines · 53 tokens per session scan A bf5f9c5cfd62
markdownlint is a skill published in the GitHub repository teabranch/open-responses-server (185 stars, last pushed 4mo ago), licensed MIT. It adds 53 tokens to every session and 566 once invoked, about $0.0003 per session on Opus 5. 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.
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