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Political news polling data and sentiment analysis tools via MCP.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 1 month ago Due for re-check
A server can change after it's graded. Re-run the automated scan to refresh this report.
This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The pollar-news MCP server exposes 16 tools, focused primarily on web capabilities. Its published description reads: "Political news polling data and sentiment analysis tools via MCP". It communicates over Streamable HTTP using the 2026-07-28 protocol revision, and does not require authorization to connect. MCPGrade currently rates pollar-news F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Cross-tool shadowing" and "Cross-tool shadowing". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check pollar-news's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add pollar-news to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://mcp.pollar.news/mcpStreamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
Searches Pollar's news archive using semantic and keyword matching. Use for any subject-specific query, including a person, organisation, place, or country (for example, interesting news in Poland). P
Lists Pollar's current leading news events, ranked by freshness and editorial momentum. Use for broad requests for current headlines with no named subject, place, or country. For a subject or geograph
Fetches the full Pollar coverage of a single event by its slug (get slugs from search_news or list_top_news). Returns title, lead, full summary, source citations, mentioned people, locations, charts,
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
tool: search_news
A tool description tries to alter the model’s use of another tool.
t or place, use list_top_news.RecommendationDescriptions must describe only their own tool.
tool: list_top_news
A tool description tries to alter the model’s use of another tool.
ic request, use search_news instead. Optionally filters by a taxonomy dot-pRecommendationDescriptions must describe only their own tool.
tool: get_event
A tool description tries to alter the model’s use of another tool.
(get slugs from search_news or list_top_news). Returns title, lead, full suRecommendationDescriptions must describe only their own tool.
tool: get_daily_brief
A tool description tries to alter the model’s use of another tool.
or country; use search_news instead. Locale changes the brief's language, nRecommendationDescriptions must describe only their own tool.
tool: list_threads
A tool description tries to alter the model’s use of another tool.
returned id to get_thread for detail.RecommendationDescriptions must describe only their own tool.
tool: get_thread
A tool description tries to alter the model’s use of another tool.
d by slug (from list_threads): its thesis, current state-of-play, and recentRecommendationDescriptions must describe only their own tool.
tool: list_live_moments
A tool description tries to alter the model’s use of another tool.
returned id to get_live_moment for the current snapshot.RecommendationDescriptions must describe only their own tool.
tool: list_live_stories
A tool description tries to alter the model’s use of another tool.
ned story id to get_live_moment for the current snapshot (it accepts both storyRecommendationDescriptions must describe only their own tool.
tool: get_live_story
A tool description tries to alter the model’s use of another tool.
le chapter, use get_live_moment.RecommendationDescriptions must describe only their own tool.
tool: list_categories
A tool description tries to alter the model’s use of another tool.
efore filtering list_top_news. Takes no arguments.RecommendationDescriptions must describe only their own tool.
tool: search
A tool description tries to alter the model’s use of another tool.
. Pass an id to fetch to read the article.RecommendationDescriptions must describe only their own tool.
tool: fetch
A tool description tries to alter the model’s use of another tool.
turned from the search tool. Returns {id, title, text, url, metadata}RecommendationDescriptions must describe only their own tool.
tool: render_news_list
A tool description tries to alter the model’s use of another tool.
ady returned by search_news, list_top_news, or search. Call one of those toRecommendationDescriptions must describe only their own tool.
tool: (server instructions)
A tool description tries to alter the model’s use of another tool.
in Poland), use search_news or search with that subject as the query. Use lRecommendationDescriptions must describe only their own tool.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
The server exposes one or more ui:// (MCP Apps) resources whose HTML/JS renders inside the host client — a client-side injection / data-exposure surface most scanners ignore. Flagged for review, not damning on its own.
1 ui:// resource(s); e.g. ui://pollar/news-list-v1.htmlRecommendationReview each ui:// resource’s markup and scripts; treat host-rendered UI as untrusted, sandbox it, and never expose secrets or conversation context to it.
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Fetches today's fixed, curated Pollar daily brief with a greeting, headline, executive summary, themed sections, related events, and charts. Use only when the user explicitly asks for Pollar's daily b
Lists Pollar's active evergreen threads: ongoing storylines tracked over time and grouped by section, with the latest change magnitude. Use to discover long-running topics. Pass a returned id to get_t
Fetches a single Pollar thread by slug (from list_threads): its thesis, current state-of-play, and recent chronicle entries with citations. Set withHistory=true to also include how the thesis evolved
Fetches Pollar's profile for a person or organisation by slug. Set withTimeline to include recent events that mention the subject. Returns the profile and a canonical Pollar URL.
Returns market data tracked by Pollar, including European and global indices, currencies, crypto, commodities, and bonds. With no arguments, returns the quote catalogue. Pass an exact catalogue symbol
Lists Pollar's live and recently ended breaking-news moments. Use to discover what is breaking now or what ended within the past 24 hours. Each moment carries story metadata (storyId, chapterIndex) wh
Lists Pollar's active and developing breaking-news stories. Each story has an umbrella title and one or more chapters ordered by chapter index. Use this when you want to surface the narrative arc — e.
Fetches the current snapshot of a breaking-news moment by id, including ordered updates and a source summary. Accepts either a moment id or a story id; story ids resolve to the latest chapter of that
Fetches the current snapshot of a story by id, including its title, status (active/developing/concluded/dormant) and ordered chapters. Use this when you want the multi-chapter arc, not the latest chap
Returns Pollar's category taxonomy with mention counts. Use it to discover valid category dot-paths before filtering list_top_news. Takes no arguments.
Searches Pollar's published news and returns a ranked list of matching articles as {id, title, url}. Use for queries about a subject, person, organisation, place, or country; put that subject or place
Fetches the full text of one Pollar article by the id returned from the search tool. Returns {id, title, text, url, metadata} with the article's summary and source citations.
Renders selected stories already returned by search_news, list_top_news, or search. Call one of those tools first, then pass up to 10 relevant results without changing their titles or canonical URLs.