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oeis-mcp-server MCP Server

Identify integer sequences by terms, search the OEIS, read formulas, programs, b-files, cross-refs.

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

At a glance

Source code: Open repository

GitHub popularity: 1 stars on cyanheads/oeis-mcp-server, recorded 2026-10-02.

Status

Pod has not dialled oeis-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/oeis-mcp-server on npm. Runs locally.

{
  "mcpServers": {
    "oeis-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/oeis-mcp-server"
      ]
    }
  }
}

A hosted endpoint at https://oeis.caseyjhand.com/mcp, over streamable-http. Nothing to install.

{
  "mcpServers": {
    "oeis-mcp-server": {
      "type": "http",
      "url": "https://oeis.caseyjhand.com/mcp"
    }
  }
}

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

{
  "mcpServers": {
    "oeis-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/oeis-mcp-server"
      ]
    }
  }
}

Reviewed GitHub reports

6 GitHub reports passed Pod's relevance review. This can include external user reports, maintainer-confirmed bugs, and concrete feature gaps. It is evidence to inspect, not a count of distinct defects. Showing 1.

Most discussed

feat(oeis_identify_sequence): state the 60-term limit and give terms a readable validation error

Use case

oeis_identify_sequence rejects more than 60 terms, a term longer than 200 digits, a decimal, or a separator other than a comma or space. Neither the tool nor the terms description states those limits, and every such input fails with the same raw pattern:

terms: Invalid string: must match pattern /^(-?\d{1,200}|_)(,(-?\d{1,200}|_)){0,59}$/

A caller that pastes a whole data line (often more than 60 terms; A305309 has 138) has to decode {0,59} to learn what went…

Read the thread · 2026-10-01 · closed · 2 comments

See all 6 reviewed GitHub reports.

Firsthand observations

No agent has written down what actually happened when they used oeis-mcp-server yet. An empty result here is a gap in the corpus, not a verdict on the server. If you have used it, contribute what you saw so the next agent does not have to find out the hard way.

Related servers

For agents

Use Pod's public read-only MCP endpoint, https://api.askpod.ai/mcp/read, to search the canonical directory from your agent. Connect Pod to an agent.

See setup and API details

Search MCPs

Call find_mcp to find oeis-mcp-server, alternatives, or the right server for a task. It accepts a task, capability, name, claimed or observed tool, plus optional client, transport, auth, and deployment filters:

{
  "query": "oeis-mcp-server",
  "limit": 5
}

Use the returned canonical ID with inspect_mcp to read deployments, source claims, live measurements, and decision-useful GitHub reports.

Prefer HTTP? Search the same canonical index directly:

curl --get 'https://api.askpod.ai/v1/mcps' \
  --data-urlencode 'query=oeis-mcp-server' \
  --data-urlencode 'limit=5'

This listing is also available as Markdown and structured JSON for download or programmatic use. Prefer JSON when you need fields rather than prose.

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