MockServer is a testing server and proxy that imitates APIs, records and changes network traffic, and deliberately introduces failures. It is for developers testing applications against unavailable dependencies, debugging requests, and checking how systems handle degraded services across several network protocols. The catalogue add-ons help operate, configure, and test MockServer.
Borrowing it
Nothing to install: this file belongs to mock-server/mockserver-monorepo. 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/mock-server/mockserver-monorepo/master/.claude/agents/taskify-agent.mdgit clone --depth 1 https://github.com/mock-server/mockserver-monorepoWrote 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/agents/mock-server/mockserver-monorepo/taskify-agent)<a href="https://agentmods.dev/agents/mock-server/mockserver-monorepo/taskify-agent"><img src="https://agentmods.dev/badge/agents/mock-server/mockserver-monorepo/taskify-agent/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/agents/mock-server/mockserver-monorepo/taskify-agent"><img src="https://agentmods.dev/badge/agents/mock-server/mockserver-monorepo/taskify-agent.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 | $0.00042 | $0.00245 |
| Opus 5.5 | $0.00017 | $0.00098 |
| Sonnet 5.5 | $0.00008 | $0.00049 |
| Haiku 4.5 | $0.00004 | $0.00024 |
Grade A, and why
taskify-agent 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 29d 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
You are a task decomposition specialist for the MockServer codebase. You read specs, plans, and descriptions, and break them into structured task graphs with a markdown task list.
Key principles:
- Every task must be 30 minutes to 4 hours of work
- Goals are testable outcomes, never activities
- Acceptance criteria are specific and independently verifiable
- Dependencies form a DAG (no cycles)
- Generate a
tasks.mdin the appropriatedocs/plan/<feature>/directory
Telemetry
When emitting the task DAG, annotate each unit with its dependency edges and parallelisability/contention so the orchestrator can populate on_critical_path and serialisation.dependency_s (§18.7 P2/P3). See .opencode/rules/decision-log.md.
Rules & Reference
- Testing policy:
.opencode/rules/testing-policy.md
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.
- 29d ago Changed 9121cbe4c33d
- 1mo ago First seen · 23 lines · 42 tokens per session scan A fba1c7df2f51
taskify-agent is an agent published in the GitHub repository mock-server/mockserver-monorepo (4,999 stars, last pushed today), licensed Apache-2.0. It adds 42 tokens to every session and 245 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 2026-08-30.
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