OpenSpace is a skill-management layer for AI agents that stores, retrieves, evaluates, shares, and improves reusable workflows. It is intended for people using multiple coding agents who want skills to be reused and refined based on task outcomes. The catalogue provides 200 skills for use with OpenSpace and the agents it supports.
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 skills add HKUDS/OpenSpace --skill search-fail-pivotgit clone --depth 1 https://github.com/HKUDS/OpenSpaceWrote 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/hkuds/openspace/search-fail-pivot)<a href="https://agentmods.dev/skills/hkuds/openspace/search-fail-pivot"><img src="https://agentmods.dev/badge/skills/hkuds/openspace/search-fail-pivot.svg" alt="Measured on agentmods" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00022 | $0.00974 |
| Opus 5 | $0.00011 | $0.00487 |
| Sonnet 5 | $0.00004 | $0.00195 |
| Haiku 4.5 | $0.00002 | $0.00097 |
Grade A, and why
search-fail-pivot 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Search Tool Failure Detection and Pivot Strategy
Purpose
When using search_web or similar external data retrieval tools, repeated failures waste iterations. This skill provides a diagnostic heuristic to recognize when to abandon search attempts and proceed with existing domain knowledge.
Core Heuristic
If search_web fails 2+ consecutive times with 'unknown error' or similar non-recoverable errors, pivot to domain knowledge + run_shell for document generation.
Do not attempt more than 2 retries on the same or similar queries before pivoting.
Step-by-Step Instructions
Step 1: Track Search Failures
Monitor search_web outcomes during your task:
- Count consecutive failures (empty results, 'unknown error', timeout, access denied)
- Note the error type - distinguish between:
- Recoverable: Rate limiting, temporary timeout (retry 1-2 times)
- Non-recoverable: 'unknown error', persistent empty results, access denied
Step 2: Apply the 2-Failure Rule
IF search_web failures >= 2 (same or similar queries)
THEN:
1. Stop attempting search_web
2. Document what information you attempted to retrieve
3. Proceed with existing domain knowledge
Step 3: Pivot to Domain Knowledge
When pivoting:
- Acknowledge the limitation: Note that external verification was attempted but unavailable
- Use established knowledge: Draw on training data for well-known facts, laws, cases, standards
- Generate with run_shell: Create documents using Python/bash scripts rather than waiting for external data
Example pivot workflow:
# Instead of continuing search_web attempts:
# 1. Compile known information from domain knowledge
known_facts = {
"law": "COPPA requirements for children's data",
"precedent": "FTC v. Google/YouTube settlement patterns",
"jurisdiction": "California privacy law framework"
}
# 2. Generate document directly
# Use run_shell with Python to create PDF/DOC
Step 4: Document Generation Pattern
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.
- 4d ago First seen · 129 lines · 22 tokens per session scan A 6ecd4e1e688a
search-fail-pivot is a skill published in the GitHub repository HKUDS/OpenSpace (7,534 stars, last pushed 26d ago), licensed MIT. It adds 22 tokens to every session and 974 once invoked, about $0.0001 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 2026-09-03.
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