Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Open-source MCP for official development indicators with provenance and citations.
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Works in Claude on the web, desktop and mobile:
https://indicatorsmcp.impactengines.ai/mcpRun this in your terminal
claude mcp add --transport http development-indicators https://indicatorsmcp.impactengines.ai/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"development-indicators": {
"url": "https://indicatorsmcp.impactengines.ai/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"development-indicators": {
"type": "http",
"url": "https://indicatorsmcp.impactengines.ai/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://indicatorsmcp.impactengines.ai/mcpMenu names can differ slightly by plan and over time.
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We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
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It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (0.4.1) reached the registry 37 days ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, Reelsaw
Servers in the same category from other makers, sorted by stars.
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MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
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A provenance-first Model Context Protocol gateway for official international-development indicators.
Hosted MCP endpoint: https://indicatorsmcp.impactengines.ai/mcp
The project aims to let AI agents discover and query authoritative indicators across institutions such as the World Bank, UN agencies, FAO, WHO, UNICEF, ILO and the DHS Program through one consistent interface. It preserves definitions, units, dimensions, source codes and citations rather than returning uncited prose.
The repository contains a working vertical slice:
This is a public beta, not a production statistical service. The hosted instance is provided for evaluation; you can also run or deploy your own copy.
list_sources(topic=None)get_source_setup(source_id)search_indicators(query, source_ids=None, limit=10)get_indicator_metadata(series_ref)get_observations(series_ref, country_codes, start_year=None, end_year=None, latest_only=False, include_original=False)compare_observations(series_refs, country_codes, ...)find_microdata(query, country=None)faostat_list_domains(limit=50, cursor=0, group_code=None, status=None, include_archived=False)faostat_search_dimension(dataset, dimension, query, limit=20, cursor=0)resolve_geographies(names_or_codes)Series references use the form source_id:series_code, for example world_bank:SP.POP.TOTL. Observation calls accept ISO 3166-1 alpha-3 codes such as GHA and KEN; use resolve_geographies when a prompt supplies country names. Mixed batches return both resolved and unresolved entries instead of failing the entire request.
py -3.11 -m venv .venv
.venv\Scripts\Activate.ps1 pip install -e ".[dev]" pytest development-data-mcp
For macOS or Linux, activate the environment with source .venv/bin/activate.
Run the live-source smoke benchmark with:
python -m benchmarks.run
The FAOSTAT check is skipped until FAOSTAT_USER and FAOSTAT_PASSWORD are configured; all public-source checks run without credentials.
The default transport is stdio. To run a hosted-style HTTP endpoint:
$env:MCP_TRANSPORT = "streamable-http"
$env:MCP_HOST = "127.0.0.1" $env:MCP_PORT = "8000" development-data-mcp
The MCP endpoint is then exposed at /mcp. Production deployment must add HTTPS, authentication, rate limiting and audit logging at the application or gateway layer.
The hosted service uses Streamable HTTP:
codex mcp add development-indicators --url https://indicatorsmcp.impactengines.ai/mcp
codex mcp list
Restart Codex after adding it, then use /mcp to confirm the server and its tools are available. The same MCP configuration is shared by the Codex CLI, IDE extension and ChatGPT desktop app on the same Codex host.
Equivalent ~/.codex/config.toml configuration:
[mcp_servers.development-indicators]
url = "https://indicatorsmcp.impactengines.ai/mcp" startup_timeout_sec = 30 tool_timeout_sec = 180
Example test prompt: Using Development Indicators, find an official maize production series from FAOSTAT and retrieve 2020–2023 observations for Uganda and Kenya, preserving units, flags and citations.
The repository includes a Cloudflare Worker and Container configuration. It routes public HTTPS requests to the same tested Python image; the MCP endpoint remains /mcp. A production deployment should initially use its isolated workers.dev hostname, then attach a custom domain after client verification.
npm install
npm run deploy
To deploy under a different Worker name or hostname, edit name and routes in wrangler.jsonc. Remove the routes block if you only want a workers.dev endpoint. Authenticate Wrangler with your own Cloudflare account before running the deploy command; the repository contains no Impact Engines credentials.
Optional provider credentials can be added to your Worker without committing them:
npx wrangler secret put FAOSTAT_USER
npx wrangler secret put FAOSTAT_PASSWORD npx wrangler secret put UN_POPULATION_TOKEN
See docs/deployment.md for the deployment architecture, verification checklist and non-Cloudflare Docker instructions.
docker build -t development-data-mcp .
docker run --rm -p 8000:8000 \ -e MCP_TRANSPORT=streamable-http \ -e MCP_HOST=0.0.0.0 \ -e MCP_PORT=8000 \ development-data-mcp
The endpoint will be available at http://localhost:8000/mcp. Put it behind HTTPS and suitable access controls before exposing it to the public internet.
Issues and pull requests are welcome. Please run ruff check ., pytest, and npm run typecheck before submitting a change. See CONTRIBUTING.md for the full development workflow and SECURITY.md for private vulnerability reporting guidance.
Cloudflare Containers require a Workers paid plan. FAOSTAT credentials, when configured, must be stored with Wrangler secrets rather than committed.
AI client
| Remote MCP gateway | Metadata registry and source router | Provider adapters (REST / SDMX / OData / specialist) | Official publisher APIs
Only metadata and modest request caches should be stored locally at first. Observations are retrieved from official sources and returned in a common envelope while preserving the original source identifiers.
Active observation connectors: World Bank Indicators, WHO GHO, UNICEF SDMX, FAOSTAT, ILOSTAT, IMF DataMapper, UNSD SDG, UNESCO UIS, OECD SDMX and ADB SDMX. UN Population indicator discovery is active; its observation endpoint requires a portal-issued bearer token. DHS, MICS, IPUMS and World Bank Microdata Library remain catalogue-discovery integrations rather than observation APIs.
The software is released under the MIT License. Upstream data remain subject to each publisher's terms, licences and attribution requirements.