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eia-mcp-server MCP Server

Browse and query the EIA API v2 — electricity, petroleum, natural gas, coal, forecasts via MCP.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled eia-mcp-server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as @cyanheads/eia-mcp-server on npm. Runs locally.

Known issues

60 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

Most discussed

feat(config): eia_dataframe_describe and eia_dataframe_query stay listed when DataCanvas is off, so the default config advertises two unusable tools

Problem

eia_dataframe_drop is gated at registration:

const dropTool = serverConfig.dataframeDropEnabled
  ? dataframeDropTool
  : disabledTool(dataframeDropTool, { reason: '...', hint: 'EIA_DATAFRAME_DROP_ENABLED=true' });

eia_dataframe_describe and eia_dataframe_query are not. They are registered unconditionally and only discover the canvas is absent inside the handler:

const bridge = getCanvasBridge();
if (!bridge) throw ctx.fail('canvas_unavailable', 'DataCanvas 

[Read the thread](https://github.com/cyanheads/eia-energy-mcp-server/issues/52) · 2026-08-06 · closed · 4 comments

### feat(eia_describe_route): cap high-cardinality facet values in structuredContent — STEO returns all 1,469 seriesId values (~130KB)

`eia_describe_route` returns every value of every facet in `structuredContent` with no cap. For most routes that's fine (~50 states, a handful of sectors), but high-cardinality facets blow up the payload — `eia_describe_route("steo")` returns all **1,469** `seriesId` values, ~130KB of JSON (~35–40K tokens) in a single describe call. `format()` correctly previews 5 and appends "(+N more)", but the truncation lives only in `content[]`; clients that consume `structuredContent` (e.g. Claude Code) re

[Read the thread](https://github.com/cyanheads/eia-energy-mcp-server/issues/29) · 2026-06-30 · closed · 4 comments

### bug(eia_dataframe_query): row_limit truncation is silent — totalRows reports the capped count and the notice never fires

### Server version

0.3.4

### mcp-ts-core version

^0.11.0

### Runtime

Bun

### Runtime version

Bun 1.3.14 / Node 26.5.0

### Transport

HTTP (transport-agnostic — defect is in the tool handler)

### OS

macOS (server-side logic, platform-independent)

### Description

`eia_dataframe_query` drops the framework's `QueryResult.truncated` signal, so a result cut by `row_limit` comes back indistinguishable from a complete one. The handler only discloses truncation when `result.rowCount > result.

[Read the thread](https://github.com/cyanheads/eia-energy-mcp-server/issues/40) · 2026-08-06 · closed · 3 comments

### feat(eia_search_routes): index facet values so fuel-type queries resolve — "wind" and "solar photovoltaic generation" return nothing

`eia_search_routes` indexes route names, descriptions, path segments, and STEO series names. It does not index **facet values**, so the vocabulary callers actually search with — fuel types, sectors, states — is invisible to the index. Queries naming a fuel return nothing even when a route exposes that fuel as a facet value.

`electricity/electric-power-operational-data` carries a `fueltypeid` facet with 45 values including `solar photovoltaic`, `solar thermal`, `wind`, `onshore wind turbine`, an

[Read the thread](https://github.com/cyanheads/eia-energy-mcp-server/issues/36) · 2026-07-31 · closed · 3 comments

### bug(eia_query_route): EIA's incomplete-return advisory still forwards on the canvas-off path, where canvas_preview_note has already accounted for the gap

### Server version

0.3.7

### mcp-ts-core version

0.11.1

### Runtime

Bun

### Runtime version

Bun 1.3.14

### Transport

http

### Description

`isIncompleteReturn` suppresses EIA's per-page advisory once the response itself states where the caller stands, and `gapAccountedFor` is set in two places: the row-less branch, and the canvas branch when the staged table reaches the last row. The third branch — canvas absent, `total > data.length` — writes a `canvas_preview_note` that accounts for 

[Read the thread](https://github.com/cyanheads/eia-energy-mcp-server/issues/54) · 2026-08-06 · closed · 2 comments

### Most recent

### feat(eia_browse_routes): name the route path parameter consistently across route tools

### Description

`eia_browse_routes` names its route-path input `path`, while `eia_describe_route` and `eia_query_route` name the same concept `route`. One parameter name for one concept would remove a predictable wrong turn in the server's main workflow.

Since tool inputs became strict, the mismatch now fails loudly rather than silently: carrying `path` forward from a browse call into `eia_describe_route` is rejected outright.

### Steps to reproduce

1. `eia_browse_routes({ path: "electricity

[Read the thread](https://github.com/cyanheads/eia-energy-mcp-server/issues/63) · 2026-08-25 · open · 0 comments

### feat(eia_query_route): a staged dataset reaches structuredContent with no pointer to the dataframe tools

### Server version

0.4.0

### mcp-ts-core version

^0.11.1

### Runtime

Bun

### Transport

Any — the gap is in the tool definition, not the transport.

### Description

`eia_query_route` returns a `df_<id>` handle in `dataset` on a `stage: true` call, but the structured response never names a tool that can reach the staged rows. `eia_dataframe_describe` is named nowhere in the tool at all, and the only mention of `eia_dataframe_query` in the response is a line `format()` writes into `content[

[Read the thread](https://github.com/cyanheads/eia-energy-mcp-server/issues/62) · 2026-08-13 · open · 0 comments

### bug(formatting): escape HTML and Markdown in table cells

### Server version

0.4.0

### mcp-ts-core version

^0.11.1

### Runtime

Bun

### Transport

HTTP

### Description

The table formatters escape pipe characters but pass HTML and Markdown syntax through unchanged. Upstream strings and SQL result strings can therefore change how `content[]` renders, while `structuredContent` correctly retains the original value.

### Steps to reproduce

With DataCanvas enabled, call:

```sql
SELECT '<b>unsafe</b> | *em* [link](x)' AS text

through `eia_datafr

Read the thread · 2026-08-11 · open · 0 comments

bug(DataCanvas): staging and drop failures return successful calls

Server version

0.4.0

mcp-ts-core version

^0.11.1

Runtime

Bun

Transport

HTTP

Description

Two DataCanvas failure paths return successful tool calls:

  1. CanvasBridge.registerDataframe() catches registration errors and returns undefined. When eia_query_route was called with stage: true, the response contains no dataset and no notice that the requested stage failed.
  2. CanvasBridge.drop() deletes provenance before contacting the canvas. If the canvas call thr

Read the thread · 2026-08-11 · open · 0 comments

bug(eia_describe_route): failed facet fetches look like empty facets

Server version

0.4.0

mcp-ts-core version

^0.11.1

Runtime

Bun

Transport

HTTP

Description

EiaApiService.fetchAndCacheMetadata() catches each failed /facet/{id} request and substitutes { values: [] }. The resulting metadata is cached for the process lifetime with no partial-result field or recovery hint.

This makes a failed facet leg indistinguishable from a facet that genuinely has no values. A later eia_query_route caller can conclude that the route has no fi

Read the thread · 2026-08-11 · open · 0 comments

bug(responses): cap inline query payloads below context-window scale

Server version

0.4.0

mcp-ts-core version

^0.11.1

Runtime

Bun

Transport

HTTP

Description

The two row-returning tools allow inline responses large enough to consume a model's context window. Their input limits match upstream or provider limits rather than an MCP response budget.

Steps to reproduce

  1. Call eia_query_route with { "route": "electricity/retail-sales", "length": 5000 }.
  2. Stage a five-row dataframe, then call eia_dataframe_query with a six-way

Read the thread · 2026-08-11 · open · 0 comments

feat(eia_search_routes): index named SEDS series for filter hints

Server version

0.4.0

mcp-ts-core version

^0.11.1

Runtime

Bun

Transport

HTTP

Description

The State Energy Data System (seds) exposes 968 named seriesId values, but none are searchable. The general facet-indexing path skips every facet above 200 values. STEO already has a dedicated named-series pass; SEDS needs the same treatment so a state-energy workflow can obtain the opaque ID required by eia_query_route.

Workflow gap

A caller looking for state carbon-d

Read the thread · 2026-08-11 · open · 0 comments

See all 19 reports Pod holds for eia-mcp-server — of 60 qualified upstream.

Firsthand observations

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