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Get Started Free →Query the OpenAI developer documentation via the OpenAI Docs MCP server using CLI (curl/jq). Use whenever a task involves the OpenAI API (Responses, Chat Completions, Realtime, etc.), OpenAI SDKs, ChatGPT Apps SDK, Codex, MCP integrations, endpoint schemas, parameters, limits, or migrations and you need up-to-date official guidance.
.claude/skills/sundial-org-openai-docs-skill/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-08 | ✗→✓ | ▲ Improved | -48% | 0% |
| case-10 | ✗→✓ | ▲ Improved | -33% | 0% |
| case-13 | ✗→✓ | ▲ Improved | -66% | 0% |
| case-14 | ✗→✓ | ▲ Improved | -62% | 0% |
| case-19 | ✗→✓ | ▲ Improved | -54% | 0% |
Use the OpenAI developer documentation MCP server from the shell to search and fetch authoritative docs. Always do this for OpenAI platform work instead of relying on memory or non-official sources.
scripts/openai-docs-mcp.sh (do not rely on Codex MCP tools).search or list to find the best doc page, then fetch the page (or anchor) for exact text.bashscripts/openai-docs-mcp.sh search "Responses API" 5 scripts/openai-docs-mcp.sh fetch https://platform.openai.com/docs/guides/migrate-to-responses
search with a focused query. If unsure, use list to browse.fetch the most relevant URL (optionally add an anchor).The CLI wrapper is at scripts/openai-docs-mcp.sh and uses curl + jq against https://developers.openai.com/mcp.
Subcommands:
init: initialize and inspect server capabilities.tools: list available tools on the MCP server.search <query> [limit] [cursor]: return JSON hits from the docs index.list [limit] [cursor]: browse docs index.fetch <url> [anchor]: return markdown for a doc page or section.endpoints: list OpenAPI endpoints.openapi <endpoint-url> [lang1,lang2] [code-only]: fetch OpenAPI schema or code samples.Environment:
MCP_URL: override the default MCP endpoint.Other measured skills in the registry, with their headline benchmark lift.