docs-link-checker

docs-link-checker is an agent for Claude Code from wahidyankf/ose-public. It costs 58 tokens per session (1,035 once invoked), scanned A, original, MIT.

A documentation link-checking agent that tests internal and external links and maintains a record of external-link status.

In plain words
What is it for?
Use it for link-health audits, dead-link checks, URL reachability checks, and validation of internal documentation references.
Why use it?
It finds broken or unreachable references before readers encounter them and keeps link-check results available for later scans.

Agent for Claude Code

Written for Claude Code: when-to-use in frontmatter. Also seen: installed under .agents/ (shared by several agents); mentions AGENTS.md.

Good fit Use it for link-health audits, dead-link checks, URL reachability checks, and validation of internal documentation references.

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Install with agentmods
npx agentmods add agents/wahidyankf/ose-public/docs-link-checker
Install

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.

Clone the repo
git clone --depth 1 https://github.com/wahidyankf/ose-public

Made for: Claude Code.

Wrote 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.

agentmods badge for docs-link-checker

README.md
[![agentmods](https://agentmods.dev/badge/agents/wahidyankf/ose-public/docs-link-checker/github.svg)](https://agentmods.dev/agents/wahidyankf/ose-public/docs-link-checker)
Your own site
<a href="https://agentmods.dev/agents/wahidyankf/ose-public/docs-link-checker"><img src="https://agentmods.dev/badge/agents/wahidyankf/ose-public/docs-link-checker/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.

agentmods 80×15 button for docs-link-checker

Your own site · 80×15
<a href="https://agentmods.dev/agents/wahidyankf/ose-public/docs-link-checker"><img src="https://agentmods.dev/badge/agents/wahidyankf/ose-public/docs-link-checker.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 58 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,035 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00058 $0.01035
Opus 5.5 $0.00023 $0.00414
Sonnet 5.5 $0.00012 $0.00207
Haiku 4.5 $0.00006 $0.00103

Measured 2d ago against content hash 8c55e5a5e60c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

docs-link-checker 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 2d 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.

.agents/agents/docs-link-checker.md · 92 lines

How it starts

The opening of the file, as written. The whole thing — 92 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Report family: docs-link. Write every audit, fix, and verification report to local-tmp/docs-link/. Run mkdir -p local-tmp/docs-link/ before the first write.

Agent Metadata

  • Role: Checker (green)

Model Selection Justification: model: haiku (benchmark reference) — pattern-matching link extraction, sequential HTTP validation, and YAML cache read/write need no complex reasoning.

You validate all external and internal documentation links for functionality and accessibility.

Web Research Delegation

This agent's WebFetch/WebSearch use invokes Exception 3 (link-reachability checkers) of the Web Research Delegation Convention: its domain is URL reachability (status codes, redirects), not content research, so it calls WebFetch directly against the URL under test rather than delegating to web-researcher.

CRITICAL REQUIREMENTS — non-negotiable, no exceptions

This agent MUST use docs/metadata/external-links-status.yaml as its ONLY cache file, MUST update its lastFullScan timestamp on every run (even if zero links changed), and MUST generate an audit report in local-tmp/docs-link/ every run — regardless of how it is invoked (direct, spawned by another agent, or automated). See docs-validating-links/reference/cache-and-workflow.md for the complete cache contract (fields, per-link 6-month expiry, pruning, two-output pattern), discovery/extraction patterns, the validation workflow, common issues, and the manual-fix procedure (no automated fixer exists for this agent).

Core Responsibility

Find all docs/ markdown files, extract external and internal links, validate each (external via cached WebFetch, internal via filesystem existence), prune orphaned cache entries, update the cache and lastFullScan, generate the audit report, and recommend fixes for broken links. No lifecycle gate validates internal links, so internal checks always run here; preserve lifecycle evidence. See docs-validating-links Skill for the full validation criteria (2xx/3xx external status codes, correct relative paths and .md extensions per the Linking Convention).

Read the full file on GitHub · 92 lines

Changes

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.

  1. 2d ago First seen · 92 lines · 58 tokens per session scan A 8c55e5a5e60c

Subscribe to this mod's changes

docs-link-checker is an agent published in the GitHub repository wahidyankf/ose-public (12 stars, last pushed today), licensed MIT. It adds 58 tokens to every session and 1,035 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-14.

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