Oecd MCP Server (cyanheads) - install & status [2026]

01 · Install Oecd MCP Server

before you install - you'll need

Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, CANVAS_PROVIDER_TYPE before connecting.

Claude Code

claude mcp add cyanheads-oecd-mcp-server --transport http https://oecd.caseyjhand.com/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "cyanheads-oecd-mcp-server": {
      "url": "https://oecd.caseyjhand.com/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://oecd.caseyjhand.com/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-09-17

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to oecd.caseyjhand.com

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license Apache-2.0 - declared in the repository

npm package @cyanheads/oecd-mcp-server - published under the repo owner's npm scope (@cyanheads)

registry namespace io.github.cyanheads is GitHub-verified and matches the repo owner

03 · What Oecd MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can search 1,500+ OECD dataflows by keyword or theme, fetch a dataflow's dimensions, key order, and codelist references, fetch valid codes and labels for one dimension (countries, measures, frequencies), and fetch observations filtered by dimension key and time range.

The 7 tools it gives your agent

Extracted from the project's README - what oecd-mcp-server lets an agent do.

oecd_list_agencies: - List OECD SDMX agencies with their directorate and the number of dataflows each publishes
oecd_search_datasets: - Search 1,500+ OECD dataflows by keyword or theme
oecd_get_dataset_info: - Fetch a dataflow's dimensions, key order, and codelist references
oecd_get_dimension_values: - Fetch valid codes and labels for one dimension (countries, measures, frequencies)
oecd_query_dataset: - Fetch observations filtered by dimension key and time range; spills large results to DataCanvas
oecd_dataframe_describe: - List DataCanvas tables and columns staged by a prior oecd_query_dataset spill
oecd_dataframe_query: - Run a read-only SQL SELECT against DataCanvas tables

Latest releases

v0.3.1 · 2026-08-25

mcp-ts-core 0.12.3 and MCP SDK v2 adoption · Serves MCP protocol revision 2026-07-28 alongside existing clients · Tool inputs advertise additionalProperties: false and reject an undeclared argument key by name instead…

v0.3.0 · 2026-08-10

unified upstream and flow-ref error contracts · Every tool and the oecd://dataflow/{agency_id}/{flow_id} resource declare data.reason and data.recovery.hint for OECD upstream failures via a shared upstreamRefusal()…

v0.2.2 · 2026-08-10

redirects refused at the OECD fetch boundary · fetchOecd issues every request with redirect: manual and refuses any 3xx as a terminal, non-retried Forbidden - the origin externalServiceRoot() pins a delegated root to…

04 · Who maintains Oecd MCP Server

oecd-mcp-server is maintained by cyanheads. We track 125 MCP servers from cyanheads - 119 actively maintained, 1,816 combined GitHub stars, oldest repo from Dec 2024. Full record: all servers from cyanheads.

05 · Facts

repository: github.com/cyanheads/oecd-mcp-server
category: science & health - ranked #46 of 71 actively-maintained science & health servers as of 2026-09-18.
release cadence: 7 releases in the last 90 days (latest 2026-08-25)
registry: io.github.cyanheads/oecd-mcp-server (active, first published 2026-06-05 · 10 versions)
packages: npm:@cyanheads/oecd-mcp-server · npm:@cyanheads/oecd-mcp-server

06 · Oecd MCP Server FAQ

Is Oecd MCP Server still maintained?

Yes - as of 2026-09-18, its last commit was 2026-08-25 and it shipped 7 releases in the last 90 days. We re-verify nightly.

What can Oecd MCP Server do?

With this server connected, an agent can search 1,500+ OECD dataflows by keyword or theme, fetch a dataflow's dimensions, key order, and codelist references, fetch valid codes and labels for one dimension (countries, measures, frequencies), and fetch observations filtered by dimension key and time range.

How do I install Oecd MCP Server?

Run `npx -y @cyanheads/oecd-mcp-server`. The README documents 3 environment variables (MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, CANVAS_PROVIDER_TYPE) to set first. Set MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, CANVAS_PROVIDER_TYPE before connecting. You can also paste the ready-made client config above.

Does Oecd MCP Server require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-09-17; you can connect without credentials.

07 · Alternatives to Oecd MCP Server

Alternatives to Oecd MCP Server

Maintained science & health servers if Oecd MCP Server isn't the fit.

More science & health MCP servers · Pubchem MCP Server · Who Gho MCP Server · Cytoscape Desktop MCP · Apple Health MCP

More TypeScript MCP servers · Open Meteo MCP Server · Openalex MCP Server · Openaq MCP Server · Openfda MCP Server · Openfec MCP Server · see all