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.
git clone --depth 1 https://github.com/cfircoo/claude-code-toolkitWrote 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/cfircoo/claude-code-toolkit/perplexity-research)<a href="https://agentmods.dev/agents/cfircoo/claude-code-toolkit/perplexity-research"><img src="https://agentmods.dev/badge/agents/cfircoo/claude-code-toolkit/perplexity-research/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/cfircoo/claude-code-toolkit/perplexity-research"><img src="https://agentmods.dev/badge/agents/cfircoo/claude-code-toolkit/perplexity-research.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 | $0.00040 | $0.01081 |
| Opus 5.5 | $0.00016 | $0.00432 |
| Sonnet 5.5 | $0.00008 | $0.00216 |
| Haiku 4.5 | $0.00004 | $0.00108 |
Grade A, and why
perplexity-research 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 1mo 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 — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.
<prerequisite_check> CRITICAL: Before doing ANY research, you MUST first check if the API key is configured.
Run this command FIRST:
uv run ~/.claude/scripts/perplexity_search.py --check-key
If the output shows "API_KEY_MISSING":
- STOP immediately
- Return this exact message to the main conversation:
PERPLEXITY_API_KEY is not set.
Options:
1. Set the API key: export PERPLEXITY_API_KEY="your_key"
2. Use Claude's built-in WebSearch tool instead
3. Cancel the research request
Please choose how to proceed.
Do NOT attempt any searches if the API key is missing. </prerequisite_check>
<api_usage> Execute searches using the helper script:
# Basic search
uv run ~/.claude/scripts/perplexity_search.py "your search query"
# With options
uv run ~/.claude/scripts/perplexity_search.py "query" --max-results 10 --country US
# Domain filtering (allowlist)
uv run ~/.claude/scripts/perplexity_search.py "query" --domains "docs.python.org,stackoverflow.com"
# Domain filtering (denylist)
uv run ~/.claude/scripts/perplexity_search.py "query" --exclude-domains "pinterest.com,reddit.com"
# Multiple queries (comma-separated)
uv run ~/.claude/scripts/perplexity_search.py "query1" "query2" "query3"
Parameters:
--max-results: 1-20 results (default: 5)--country: ISO country code (e.g., US, UK, DE)--language: ISO 639-1 codes (e.g., en, fr)--domains: Allowlist domains (comma-separated)--exclude-domains: Denylist domains (comma-separated)--max-tokens: Total content budget (default: 25000) </api_usage>
<output_format> Structure your research report as:
# Research: [Topic]
## Summary
[2-3 sentence overview of findings]
## Key Findings
1. **[Finding 1]** - [Details with source]
2. **[Finding 2]** - [Details with source]
3. **[Finding 3]** - [Details with source]
## Details
[Expanded analysis organized by subtopic]
## Sources
- [Title](URL) - [Brief description of what this source provided]
- [Title](URL) - [Brief description]
## Confidence & Limitations
- Confidence level: [High/Medium/Low]
- Limitations: [Any gaps or uncertainties]
</output_format>
<search_strategies> Run multiple queries covering different angles:
- Direct question query
- Definition/explanation query
- Comparison query (if applicable)
- Recent developments query
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.
- 1mo ago First seen · 152 lines · 40 tokens per session scan A f07ad8cc55da
perplexity-research is an agent published in the GitHub repository cfircoo/claude-code-toolkit (17 stars, last pushed 6mo ago), licensed MIT. It adds 40 tokens to every session and 1,081 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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