Octagon MCP Server
An MCP server for public & prediction markets research. Ask natural-language questions and get structured, source-backed answers across SEC filings, earnings transcripts, company financials, stock & crypto market data, and prediction markets news & research. Built for investors, analysts, and researchers who need fast, cited intelligence.
Octagon MCP Server is an open-source mcp server by OctagonAI, written mainly in TypeScript, with 148 GitHub stars and the MIT license. Its code was last updated Jul 9, 2026.
Scan summary: scanned Nov 5, 2026 at commit a323463. No capabilities flagged by our checks. Scan policy
a323463 · Nov 5, 2026Findings (15)
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@modelcontextprotocol/sdk@1.29.0: 6 known vulnerabilitiesGHSA-22jm-h49p-29qw, GHSA-46jr-4wx8-v453, GHSA-6prh-2h8m-c8cw, GHSA-6qxp-vccf-f47h, GHSA-f897-62hf-6gxq +1 more
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.body-parser@2.2.2: 2 known vulnerabilitiesGHSA-27r3-jxmh-p828, GHSA-v422-hmwv-36x6
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.fast-uri@3.1.0: 12 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-4c8g-83qw-93j6, GHSA-7p8r-x3mc-p8w7, GHSA-f65p-4m7j-42xc, GHSA-hrr3-gc8f-f4qj +7 more
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.hono@4.12.8: 32 known vulnerabilitiesGHSA-26pp-8wgv-hjvm, GHSA-2gcr-mfcq-wcc3, GHSA-3hrh-pfw6-9m5x, GHSA-458j-xx4x-4375, GHSA-54fx-42gc-7vw4 +27 more
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.ip-address@10.1.0: 6 known vulnerabilitiesGHSA-h3mg-xc3c-68pw, GHSA-j6r3-76f7-8jcv, GHSA-mwp4-54f8-5fhr, GHSA-rpw4-54j3-4h4q, GHSA-rxp7-6hxx-x8q5 +1 more
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.path-to-regexp@8.3.0: 2 known vulnerabilitiesGHSA-27v5-c462-wpq7, GHSA-j3q9-mxjg-w52f
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@3.24.2: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@4.3.6: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.@hono/node-server@1.19.11: 3 known vulnerabilitiesGHSA-92pp-h63x-v22m, GHSA-frvp-7c67-39w9, GHSA-rmxm-3fg6-px4f
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.diff@4.0.2: 1 known vulnerabilityGHSA-73rr-hh4g-fpgx
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.qs@6.15.0: 4 known vulnerabilitiesGHSA-4mjr-xmp4-gh2g, GHSA-6pq8-jhm2-2vcw, GHSA-q8mj-m7cp-5q26, GHSA-x5fp-wj9c-mxmx
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.package.json has a prepare scriptnpm run build
package.json - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
Network activity
Tools exposed (8)
octagon-docs-listList live Octagon documentation sections and pages from the docs LLM corpus.
octagon-docs-searchSearch live Octagon API, agent, MCP, and plugin documentation with source URLs.
octagon-docs-readRead a live Octagon docs page or section by title, path, URL, or catalog id.
octagon-docs-refreshRefresh the in-memory Octagon docs catalog from live LLM-friendly docs endpoints.
octagon-deep-research-agentA comprehensive agent that can utilize multiple sources for deep research analysis. Capabilities: Aggregate research across multiple data sources, synthesize information, and provide comprehensive investment research. Best for: Investment research questions requiring up-to-date aggregated informatio
octagon-agentOrchestrates all agents for comprehensive market intelligence analysis. Capabilities: Combines insights from SEC filings, earnings calls, financial metrics, stock data, institutional holdings, private company research, funding analysis, M&A transactions, investor intelligence, debt analysis, and new
octagon-prediction-markets-agentA specialized agent for creating research reports on Kalshi events. See what's driving prices, compare market vs model probabilities, and find potential mispricings.
prediction_markets_historyFetch historical data for a prediction market event by ticker. Supports pagination (limit, cursor) and time window (captured_from, captured_to) and optionally include analysis columns. Note: For a typical Kalshi Market URL, the event ticker is the final segment in the URL. For example, for the URL
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