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@cyanheads/gdelt-mcp-server

Search and analyze global news coverage and US television transcripts via the GDELT Project's real-time APIs via MCP. STDIO or Streamable HTTP.\n

9 Tools

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\n\n[![Version](https://img.shields.io/badge/Version-0.4.1-blue.svg?style=flat-square)](./CHANGELOG.md) [![License](https://img.shields.io/badge/License-Apache%202.0-orange.svg?style=flat-square)](./LICENSE) [![Docker](https://img.shields.io/badge/Docker-ghcr.io-2496ED?style=flat-square&logo=docker&logoColor=white)](https://github.com/users/cyanheads/packages/container/package/gdelt-mcp-server) [![MCP SDK](https://img.shields.io/badge/MCP%20SDK-^2.0.0-green.svg?style=flat-square)](https://modelcontextprotocol.io/) [![npm](https://img.shields.io/npm/v/@cyanheads/gdelt-mcp-server?style=flat-square&logo=npm&logoColor=white)](https://www.npmjs.com/package/@cyanheads/gdelt-mcp-server) [![TypeScript](https://img.shields.io/badge/TypeScript-^7.0.2-3178C6.svg?style=flat-square)](https://www.typescriptlang.org/) [![Bun](https://img.shields.io/badge/Bun-v1.4.0-blueviolet.svg?style=flat-square)](https://bun.sh/)\n\n

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\n\n[![Install in Claude Desktop](https://img.shields.io/badge/Install_in-Claude_Desktop-D97757?style=for-the-badge&logo=anthropic&logoColor=white)](https://github.com/cyanheads/gdelt-mcp-server/releases/latest/download/gdelt-mcp-server.mcpb) [![Install in Cursor](https://cursor.com/deeplink/mcp-install-dark.svg)](https://cursor.com/en/install-mcp?name=gdelt-mcp-server&config=eyJjb21tYW5kIjoibnB4IiwiYXJncyI6WyIteSIsIkBjeWFuaGVhZHMvZ2RlbHQtbWNwLXNlcnZlciJdfQ==) [![Install in VS Code](https://img.shields.io/badge/VS_Code-Install_Server-0098FF?style=for-the-badge&logo=visualstudiocode&logoColor=white)](https://vscode.dev/redirect?url=vscode:mcp/install?%7B%22name%22%3A%22gdelt-mcp-server%22%2C%22command%22%3A%22npx%22%2C%22args%22%3A%5B%22-y%22%2C%22%40cyanheads%2Fgdelt-mcp-server%22%5D%7D)\n\n[![Framework](https://img.shields.io/badge/Built%20on-@cyanheads/mcp--ts--core-67E8F9?style=flat-square)](https://www.npmjs.com/package/@cyanheads/mcp-ts-core)\n\n

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\n\n**Public Hosted Server:** [https://gdelt.caseyjhand.com/mcp](https://gdelt.caseyjhand.com/mcp)\n\n

\n\n---\n\n## Tools\n\nNine tools across two GDELT APIs — DOC API for global print/web news (last 3 months, 65 languages, no auth) and TV API for US television transcripts (2009–Oct 2024, 150+ stations):\n\n| Tool | Description |\n|:---|:---|\n| `gdelt_search_articles` | Search the last 3 months of global news coverage (65 languages) with full-text and filter operators. Returns up to 250 articles, and hands back the date windows to re-query when that ceiling is hit. |\n| `gdelt_get_coverage_timeline` | Retrieve a time series of coverage volume or average tone for a query. `volume_with_articles` mode includes top articles per spike timestep, with `points` to render a timestep's full article list. |\n| `gdelt_get_tone_distribution` | Get a tone histogram (bins ~−30 to +30) showing whether coverage is uniformly negative, bimodal, or clustered near neutral. |\n| `gdelt_get_coverage_breakdown` | Break down coverage volume by source language or source country — a multi-series time series showing geographic propagation. Values are normalized shares of media output, not article counts. |\n| `gdelt_search_tv` | Search US television news closed captions (2009–Oct 2024) and return per-station airtime time series. |\n| `gdelt_get_tv_clips` | Retrieve up to 3,000 matching TV clips with transcript excerpts and Internet Archive viewing links, and the date windows to re-query when that ceiling is hit. |\n| `gdelt_get_tv_context` | Get the most frequent co-occurring words and phrases from TV clips matching a query. |\n| `gdelt_get_tv_trending` | Retrieve trending topics currently dominating US television news (updated every 15 minutes; no query required). |\n| `gdelt_list_tv_stations` | List all TV stations with market, network, and monitoring date ranges to verify station availability before querying. |\n\n### `gdelt_search_articles`\n\nSearch the last 3 months of global news with GDELT's full query syntax.\n\n- Keywords, phrases (`\"bird flu\"`), boolean OR, and exclusion (`-sports`)\n- Filter operators: `sourcecountry:`, `sourcelang:`, `domain:`, `theme:` (GKG taxonomy), `tone<`/`tone>`\n- Proximity and repetition: `near20:\"flu virus\"`, `repeat3:\"outbreak\"`\n- Configurable sort (`relevance`, `dateDesc`, `dateAsc`, `toneDesc`, `toneAsc`, `hybridRel`) and result count (up to 250)\n- Returns URL, title, publication date, domain, language, source country, and social image URL\n- 250 is a hard per-call ceiling, not a page size — GDELT exposes no cursor. Fill it and the response returns `continuationWindows`: the queried window halved, ready to re-query. The halves overlap by a second so nothing falls through the seam; de-duplicate by `url`\n- Query is echoed in response for chaining\n\n---\n\n### `gdelt_get_coverage_timeline`\n\nRetrieve when coverage of a topic spiked, with three modes:\n\n- `volume` — normalized percentage of all global coverage per timestep\n- `volume_with_articles` — volume plus top articles driving each spike; use for signal detection without a follow-up search call\n- `tone` — average sentiment score per timestep (combine with `gdelt_get_tone_distribution` for the full picture)\n- Every article reference is always in `structuredContent`; the text surface renders the first 3 links per timestep beside that timestep's true count, and `points: [\"\"]` renders named timesteps in full\n- Configurable smoothing and time range\n\n---\n\n### `gdelt_get_tone_distribution`\n\nSnapshot tone histogram across all articles matching a query.\n\n- Bins from approximately −30 to +30; each bin includes representative article URLs\n- Summary fields: `peakNegativeBin`, `peakPositiveBin`, `neutralPct` (% of articles in the −2 to +2 range)\n- Distinct from the tone timeline — distribution across all matching articles, not over time\n\n---\n\n### `gdelt_get_coverage_breakdown`\n\nMulti-series time series showing which countries or languages drove coverage.\n\n- Break down by `language` or `country`\n- Top 10 series by total volume; remaining series aggregated into an \"Other\" bucket and named in `otherSeriesLabels`\n- Nothing is dissolved into \"Other\" anonymously — pass any label to `series: [\"\"]` and that series comes back complete under `selectedSeries`, alongside the usual overview\n- Values are normalized — the topic's share of media output, not absolute article counts. Small media markets with concentrated coverage rank above large markets with diverse output, so a high value means the topic dominated that source's coverage rather than that it published the most articles\n- Use to trace how a story propagated geographically\n\n---\n\n### `gdelt_search_tv`\n\nSearch US television news transcripts (2009–Oct 2024) with per-station airtime analysis.\n\n- Up to 10 structured `stations` (e.g. `[\"CNN\", \"FOXNEWS\"]`) — or place a `station:` selector directly in the query\n- Normalize query-matching coverage to relative airtime % or return raw matching 15-second clip counts\n- Optional `dateres` aggregation: `hour`, `day`, `week`, `month`, or `year`; returned timestamps are normalized to ISO 8601\n- Responses select at most 500 points per page in deterministic date-then-station order, then group them by station. Use `nextOffset` with the same query inputs to retrieve the next page; `content[]` renders every point in the structured page\n- TV-specific operators: `market:`, `show:`, `context:`\n- Use `gdelt_list_tv_stations` to verify station active date ranges before querying recent events\n\n---\n\n### `gdelt_get_tv_clips`\n\nRetrieve actual TV news clips driving a coverage signal.\n\n- Up to 3,000 clips per call\n- Each clip: show name, station, air timestamp, 15-second transcript excerpt, direct Archive.org link, and optional thumbnail\n- 3,000 is a hard per-call ceiling, not a page size — GDELT exposes no cursor. Fill it and the response returns `continuationWindows`: the queried window halved, ready to re-query. The halves overlap by a second so nothing falls through the seam; de-duplicate by `archiveUrl`\n- Sort by relevance, date descending, or date ascending\n\n---\n\n### `gdelt_get_tv_context`\n\nVocabulary framing analysis for TV coverage of a topic.\n\n- Returns the most frequent non-stopword terms from matching clips\n- Relative frequency scores (query term = 100)\n- Use to identify narrative framing, related concepts, or follow-up search terms\n\n---\n\n### `gdelt_get_tv_trending`\n\nZero-argument entry point for the current TV news cycle.\n\n- Returns trending topics, keywords, and phrases dominating national networks\n- Updated every 15 minutes\n- Note: coverage data ends Oct 2024; results reflect the archive endpoint, not a live feed\n\n---\n\n### `gdelt_list_tv_stations`\n\nStation metadata lookup before querying.\n\n- All available stations with market, network, monitoring start date, and end date\n- `isActive` flag — `true` when end date is within the last 24 hours\n- Use to verify a station was active during a target time period\n\n## Features\n\nBuilt on [`@cyanheads/mcp-ts-core`](https://www.npmjs.com/package/@cyanheads/mcp-ts-core):\n\n- Declarative tool definitions — single file per tool, framework handles registration and validation\n- Unified error handling — handlers throw, framework catches, classifies, and formats\n- Pluggable auth: `none`, `jwt`, `oauth`\n- Swappable storage backends: `in-memory`, `filesystem`, `Supabase`, `Cloudflare KV/R2/D1`\n- Structured logging with optional OpenTelemetry tracing\n- STDIO and Streamable HTTP transports\n\nGDELT-specific:\n\n- Shared rate-limit queue (1 req/5s) across all tools — enforces GDELT's published limit without caller coordination\n- Two service layers (`GdeltDocService`, `GdeltTvService`) mapping clean tool parameters to the DOC and TV API URL conventions\n- TV station filter operators embedded in query strings internally — callers pass structured `stations` arrays, not raw query syntax\n\nAgent-friendly output:\n\n- Query echo on every response — searches return the original query and applied timespan so agents can chain calls without re-deriving parameters\n- Discriminated series labels — timeline and breakdown responses carry typed `label` fields (`\"Volume Intensity\"`, `\"Average Tone\"`, language/country names) rather than positional arrays\n- Structured station metadata — `isActive` boolean and ISO 8601 date fields let agents reason about TV station availability without parsing date strings\n- Partial-coverage signals in distribution output — `neutralPct`, `peakNegativeBin`, `peakPositiveBin` summary fields let agents branch on sentiment without histogramming the raw bins themselves\n\n## Getting started\n\n### Public Hosted Instance\n\nA public instance is available at `https://gdelt.caseyjhand.com/mcp` — no installation required. Point any MCP client at it via Streamable HTTP:\n\n```json\n{\n \"mcpServers\": {\n \"gdelt-mcp-server\": {\n \"type\": \"streamable-http\",\n \"url\": \"https://gdelt.caseyjhand.com/mcp\"\n }\n }\n}\n```\n\n### Self-Hosted / Local\n\nAdd the following to your MCP client configuration file.\n\n```json\n{\n \"mcpServers\": {\n \"gdelt-mcp-server\": {\n \"type\": \"stdio\",\n \"command\": \"bunx\",\n \"args\": [\"@cyanheads/gdelt-mcp-server@latest\"],\n \"env\": {\n \"MCP_TRANSPORT_TYPE\": \"stdio\",\n \"MCP_LOG_LEVEL\": \"info\"\n }\n }\n }\n}\n```\n\nOr with npx (no Bun required):\n\n```json\n{\n \"mcpServers\": {\n \"gdelt-mcp-server\": {\n \"type\": \"stdio\",\n \"command\": \"npx\",\n \"args\": [\"-y\", \"@cyanheads/gdelt-mcp-server@latest\"],\n \"env\": {\n \"MCP_TRANSPORT_TYPE\": \"stdio\",\n \"MCP_LOG_LEVEL\": \"info\"\n }\n }\n }\n}\n```\n\nOr with Docker:\n\n```json\n{\n \"mcpServers\": {\n \"gdelt-mcp-server\": {\n \"type\": \"stdio\",\n \"command\": \"docker\",\n \"args\": [\n \"run\", \"-i\", \"--rm\",\n \"-e\", \"MCP_TRANSPORT_TYPE=stdio\",\n \"ghcr.io/cyanheads/gdelt-mcp-server:latest\"\n ]\n }\n }\n}\n```\n\nFor Streamable HTTP, set the transport and start the server:\n\n```sh\nMCP_TRANSPORT_TYPE=http MCP_HTTP_PORT=3010 bun run start:http\n# Server listens at http://localhost:3010/mcp\n```\n\n### Prerequisites\n\n- [Bun v1.3.0](https://bun.sh/) or higher (or Node.js v24+).\n- No API key required — GDELT is a free public API.\n\n### Installation\n\n1. **Clone the repository:**\n\n```sh\ngit clone https://github.com/cyanheads/gdelt-mcp-server.git\n```\n\n2. **Navigate into the directory:**\n\n```sh\ncd gdelt-mcp-server\n```\n\n3. **Install dependencies:**\n\n```sh\nbun install\n```\n\n4. **Configure environment:**\n\n```sh\ncp .env.example .env\n# edit .env if you need to override defaults\n```\n\n## Configuration\n\nAll configuration is validated at startup via Zod schemas in `src/config/server-config.ts`. Key environment variables:\n\n| Variable | Description | Default |\n|:---------|:------------|:--------|\n| `GDELT_BASE_URL` | Override the GDELT API base URL for both DOC and TV APIs. | `https://api.gdeltproject.org/api/v2` |\n| `GDELT_REQUEST_DELAY_MS` | Minimum milliseconds between GDELT requests (enforces 1 req/5s limit). | `5300` |\n| `MCP_TRANSPORT_TYPE` | Transport: `stdio` or `http`. | `stdio` |\n| `MCP_HTTP_PORT` | Port for the HTTP server. | `3010` |\n| `MCP_HTTP_ENDPOINT_PATH` | HTTP endpoint path where the MCP server is mounted. | `/mcp` |\n| `MCP_PUBLIC_URL` | Public origin override for TLS-terminating reverse-proxy deployments. | none |\n| `MCP_AUTH_MODE` | Auth mode: `none`, `jwt`, or `oauth`. | `none` |\n| `MCP_SESSION_MODE` | HTTP session mode: `auto`, `stateful`, or `stateless`. Set explicitly rather than left to the schema default of `auto` (which resolves to `stateful`) — this server holds no per-session state. | `stateless` |\n| `MCP_LOG_LEVEL` | Log level (`debug`, `info`, `warning`, `error`, etc.). | `info` |\n| `MCP_GC_PRESSURE_INTERVAL_MS` | Opt-in Bun-only forced-GC pressure loop in ms. Try `60000` if heap growth is observed under sustained HTTP load. | `0` (disabled) |\n| `LOGS_DIR` | Directory for log files (Node.js only). Absolute paths are used verbatim; a relative path resolves against the application root. | `/logs` |\n| `STORAGE_PROVIDER_TYPE` | Storage backend: `in-memory`, `filesystem`, `supabase`, `cloudflare-kv/r2/d1`. | `in-memory` |\n| `OTEL_ENABLED` | Enable [OpenTelemetry instrumentation](https://github.com/cyanheads/mcp-ts-core/tree/main/docs/telemetry). | `false` |\n\nSee [`.env.example`](https://github.com/cyanheads/gdelt-mcp-server/blob/main/.env.example) for the full list of optional overrides.\n\n## Running the server\n\n### Local development\n\n- **Build and run:**\n\n ```sh\n # One-time build\n bun run rebuild\n\n # Run the built server\n bun run start:stdio\n # or\n bun run start:http\n ```\n\n- **Run checks and tests:**\n\n ```sh\n bun run devcheck # Lint, format, typecheck, security audit\n bun run test # Vitest test suite\n bun run lint:mcp # Validate MCP definitions against spec\n ```\n\n### Docker\n\n```sh\ndocker build -t gdelt-mcp-server .\ndocker run --rm -p 3010:3010 gdelt-mcp-server\n```\n\nThe Dockerfile defaults to HTTP transport, stateless session mode, and logs to `/var/log/gdelt-mcp-server`. OpenTelemetry peer dependencies are installed by default — build with `--build-arg OTEL_ENABLED=false` to omit them.\n\n## Project structure\n\n| Directory | Purpose |\n|:----------|:--------|\n| `src/index.ts` | `createApp()` entry point — registers tools and inits services. |\n| `src/config` | Server-specific environment variable parsing and validation with Zod. |\n| `src/mcp-server/tools` | Tool definitions (`*.tool.ts`). Nine tools across DOC and TV APIs. |\n| `src/services/gdelt-doc` | `GdeltDocService` — wraps the DOC API for article search, timelines, tone, and breakdowns. |\n| `src/services/gdelt-tv` | `GdeltTvService` — wraps the TV API for transcript search, clips, context, and trending. |\n| `src/services/gdelt-rate-limiter` | `GdeltRateLimiter` singleton — shared 1 req/5s queue across both services. |\n| `tests/` | Unit and integration tests mirroring `src/`. |\n\n## Development guide\n\nSee [`CLAUDE.md`](https://github.com/cyanheads/gdelt-mcp-server/blob/main/CLAUDE.md) for development guidelines and architectural rules. The short version:\n\n- Handlers throw, framework catches — no `try/catch` in tool logic\n- Use `ctx.log` for request-scoped logging, `ctx.state` for tenant-scoped storage\n- Register new tools via the barrels in `src/mcp-server/tools/definitions/index.ts`\n- Wrap GDELT API calls: validate raw JSON → normalize to domain type → return output schema; never fabricate missing fields\n\n## Contributing\n\nIssues and pull requests are welcome. Run checks and tests before submitting:\n\n```sh\nbun run devcheck\nbun run test\n```\n\n## License\n\nApache-2.0 — see [LICENSE](https://github.com/cyanheads/gdelt-mcp-server/blob/main/LICENSE) for details.\n","changelogMarkdown","videoKey","requiredSecretsJson","publishedAt","priceCents","trialDays",0,"iconType","image","upstream",{"_113":114,"_115":116,"_117":118,"_119":120,"_121":122,"_123":124},"requiredSecrets",[],"tags",[101,102,19,103,104,105,106,107,108,109,110,111,112],"assets",[],"stats",{"_99":86,"_100":86},"ratingAvg","reviewCount","ai-agents","ai-tools","event-monitoring","gdelt","global-news","journalism","media-analysis","media-monitoring","news-analytics","sentiment-analysis","tv-news","typescript","topics",[101,102,19,103,104,105,106,130,131,107,108,132,109,110,111,112],"license","Apache-2.0","language","TypeScript","registryName","io.github.cyanheads/gdelt-mcp-server","homepage","https://www.npmjs.com/package/@cyanheads/gdelt-mcp-server","packages",[125,126],{"_127":128,"_129":22,"_76":77},{"_127":128,"_129":22,"_76":77},"registryType","npm","identifier","mcp","mcp-server","model-context-protocol","ENV",{"_135":136,"_137":138,"_139":140},"ENVIRONMENT","production","TURNSTILE_SITE_KEY","0x4AAAAAAB8-rEI2gNDf_QhU","SENTRY_DSN","https://45fd1229f78089d5c3ee78be128030e1@o4510583261757440.ingest.de.sentry.io/4510584253448272"]