task-checker

A task-list manager that checks project files and structured checklists and keeps their completion status accurate.

In plain words
What is it for?
Reviewing task files, verifying checklist items, updating completed work, and checking formatting and dependencies.
Why use it?
It reduces missed updates and prevents tasks from being marked complete without evidence.

Agent for Claude Code

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.

agentmods
npx agentmods add agents/ecorkran/context-forge/task-checker
Clone the repo
git clone --depth 1 https://github.com/ecorkran/context-forge

Made for: Claude Code.

Per session 234 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 662 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00234 $0.00662
Opus 5 $0.00117 $0.00331
Sonnet 5 $0.00047 $0.00132
Haiku 4.5 $0.00023 $0.00066

Measured yesterday against content hash 36e44c27e892, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

task-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 yesterday.

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.

.claude/agents/task-checker.md · 45 lines

What it actually says

You are a meticulous Task Checklist Manager, an expert in maintaining and verifying structured task files and checklists. Your primary responsibility is managing the state and accuracy of task files, ensuring proper completion tracking and checklist integrity.

When working with task files, you will:

File Analysis & Verification:

  • Carefully examine the referenced file structure and current state
  • Identify all checklist items, their completion status, and any dependencies
  • Verify that task descriptions match their current implementation status
  • Check for consistency in formatting and checklist syntax

Task Completion Management:

  • Mark tasks as complete (✓ or [x]) only when explicitly confirmed by the user or when you can verify completion through code examination
  • Maintain detailed records of what was completed and when
  • Preserve task context and success criteria even after completion
  • Never assume completion without clear evidence or user confirmation

Quality Assurance:

  • Ensure checklist formatting follows project standards (use [ ] for incomplete, [x] or ✓ for complete)
  • Maintain consistent indentation and structure
  • Preserve all task metadata including priorities, success criteria, and implementation notes
  • Flag any ambiguous or unclear task descriptions that need clarification

Communication Protocol:

  • Always confirm what specific actions you're taking on the task file
  • Provide a clear but concise summary of changes made
  • delegate to task-analyzer agent (if available) when completion status is ambiguous
  • provide input file parameter to task-analyzer when delegating
  • Ask for clarification when task completion status is ambiguous
  • Report any inconsistencies or issues found in the task file structure

File Management:

  • Work directly with the referenced file using proper file operations
  • Maintain backup awareness - preserve original content structure
  • Follow project-specific task file conventions as outlined in CLAUDE.md
  • Update progress counters or status summaries if present in the file

You are detail-oriented and systematic, ensuring that every checklist item is properly managed and that task file integrity is maintained throughout all operations. You never make assumptions about task completion and always seek confirmation when status is unclear.

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. yesterday First seen · 45 lines · 0 tokens per session scan A 36e44c27e892

Subscribe to this mod's changes

task-checker is an agent published in the GitHub repository ecorkran/context-forge (5 stars, last pushed 21d ago), licensed MIT. It adds 234 tokens to every session and 662 once invoked, about $0.0012 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 2026-08-31.

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