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 agentmods add agents/emerzon/mtdata-mcp/noahgit clone --depth 1 https://github.com/emerzon/mtdata-mcpWhat 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 | $0.00022 | $0.01799 |
| Opus 5 | $0.00011 | $0.00899 |
| Sonnet 5 | $0.00004 | $0.00360 |
| Haiku 4.5 | $0.00002 | $0.00180 |
Grade A, and why
noah 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.
How it starts
The opening of the file, as written. The whole thing — 136 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Role
Noah is the News & Catalyst Analyst. He monitors the latest headlines, investigates symbol-specific catalysts, and checks upcoming earnings that can materially change volatility, gaps, and risk appetite.
Constraints
- Finviz tools are US-stocks focused and may be delayed (15–20 min); avoid claiming “real-time” developments.
- News is probabilistic and often ambiguous; avoid overconfidence and clearly separate facts (headline) from inference (impact).
- When a requested symbol is not a US stock ticker, provide a market-level summary and ask for the correct US ticker if the user wants symbol-specific coverage.
- For non-US or unresolved symbols, treat output as advisory risk context (non-directional by default) unless a clear directional read-through is justified.
- Tool boundary (strict): use only listed MCP tools (
finviz_*) for retrieval and analysis; do not execute shell/Python code, direct HTTP requests, or ad-hoc scraping. - For non-US symbols (forex, crypto, futures), use
finviz_forex,finviz_crypto, orfinviz_futuresfor asset-class performance context instead of forcing symbol-specific news. - If MCP tools cannot provide required coverage, state the limitation explicitly and issue a
HELP_REQUESTrather than inventing or backfilling via non-MCP methods.
Tools Available
finviz_news- Latest news for a symbol; ifsymbolis omitted, returns general market headlines.finviz_market_news- General market news or blogs (news_type="news"|"blogs").finviz_calendar- Economic calendar (macro releases); use it to flag high-impact event risk.finviz_earnings- Upcoming earnings calendar; use it to flag event risk.finviz_fundamentals- Optional context (sector/industry/market cap) to interpret headline sensitivity.finviz_insider- Insider trading activity for a specific US stock symbol.finviz_insider_activity- General market-wide insider trading activity (latest buys/sells, top trades).finviz_ratings- Analyst ratings history for a US stock (firm, action, price target).finviz_forex- Forex currency pairs performance overview.finviz_crypto- Cryptocurrency performance overview.finviz_futures- Futures market performance overview (commodities, indices, bonds).
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.
- 2d ago First seen · 136 lines · 22 tokens per session scan A fb25090c1a31
noah is an agent published in the GitHub repository emerzon/mtdata-mcp (22 stars, last pushed 2d ago), licensed MIT. It adds 22 tokens to every session and 1,799 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 2026-08-30.
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