generated: '2026-09-13' method: searched source: https://registry.npmjs.org/ and https://pypi.org/pypi/ registry metadata, cross-checked against https://github.com/withoneai and https://www.withone.ai/docs/mcp provider: IntegrationOS providerId: integration-os description: >- First-party client libraries for the One API — the platform IntegrationOS became by way of Pica. Versions and publish dates were read from each registry's unauthenticated metadata endpoint on 2026-09-13. The @picahq/* entries are the previous brand's packages: still published, still installable, and no longer receiving releases since the March 2026 rename to One, which is why they are listed with official: true and a note rather than dropped. ownership_note: >- These packages are published under the @withone and @picahq npm scopes and the picahq PyPI namespace, not under an integrationos namespace. The provider's own changelog states the lineage — "2026-03-25 (v3.0.0): Introducing One -- Pica is now One" (https://www.withone.ai/llms.txt) — and picaos.com 301-redirects to withone.ai, so the current-brand packages are the successor's. packages: - name: '@withone/cli' registry: npm url: https://www.npmjs.com/package/@withone/cli official: true language: JavaScript/TypeScript kind: cli version: 1.56.1 published: '2026-09-10' license: null repository: https://github.com/withoneai/cli install: npm install -g @withone/cli note: >- The One CLI. Also the local-stdio MCP host — `one init` configures the MCP server for Claude Desktop, Cursor, Claude Code, Windsurf, Codex and Kiro. No license field is published in the package metadata. - name: '@withone/sdk' registry: npm url: https://www.npmjs.com/package/@withone/sdk official: true language: JavaScript/TypeScript kind: sdk version: 0.4.0 published: '2026-08-29' license: MIT repository: null install: npm install @withone/sdk note: Typed Node client over the One API (api.withone.ai). - name: '@withone/mcp' registry: npm url: https://www.npmjs.com/package/@withone/mcp official: true language: JavaScript/TypeScript kind: mcp-server version: 1.2.4 published: '2026-08-20' license: MIT repository: https://github.com/withoneai/mcp install: npx -y @withone/mcp note: >- The local-stdio Model Context Protocol server. Same four tools as the hosted remote server at https://mcp.withone.ai/mcp; documented at https://www.withone.ai/docs/mcp. - name: '@withone/auth' registry: npm url: https://www.npmjs.com/package/@withone/auth official: true language: JavaScript/TypeScript kind: ui-component version: 1.5.0 published: '2026-06-01' license: GPL-3.0 repository: https://github.com/withoneai/auth install: npm install @withone/auth note: Frontend bindings for One Auth, the drop-in embeddable connect widget. See components/. - name: '@withone/connect' registry: npm url: https://www.npmjs.com/package/@withone/connect official: true language: JavaScript/TypeScript kind: ui-component version: 0.8.3 published: '2026-09-03' license: GPL-3.0 repository: https://github.com/withoneai/connect install: npm install @withone/connect note: Frontend bindings for One Connect — a drop-in OAuth grant flow for scoped, revocable access. - name: '@picahq/ai' registry: npm url: https://www.npmjs.com/package/@picahq/ai official: true language: JavaScript/TypeScript kind: sdk version: 3.0.2 published: '2025-10-03' license: GPL-3.0 repository: null install: npm install @picahq/ai note: >- Previous-brand SDK — Pica tools for the Vercel AI SDK. Last release 2025-10-03, ~11 months before the current One API version (5.35.0). Superseded by the One CLI/SDK surface. - name: '@picahq/authkit' registry: npm url: https://www.npmjs.com/package/@picahq/authkit official: true language: JavaScript/TypeScript kind: ui-component version: 1.0.10 published: '2026-02-11' license: GPL-3.0 repository: https://github.com/picahq/authkit install: npm install @picahq/authkit note: Previous-brand frontend bindings for AuthKit. Superseded by '@withone/auth'. - name: '@picahq/authkit-node' registry: npm url: https://www.npmjs.com/package/@picahq/authkit-node official: true language: JavaScript/TypeScript kind: sdk version: 2.0.1 published: '2025-08-29' license: MIT repository: null install: npm install @picahq/authkit-node note: Previous-brand server-side AuthKit token minting. Superseded by the AuthKit endpoints in the One API. - name: pica-langchain registry: pypi url: https://pypi.org/project/pica-langchain/ official: true language: Python kind: sdk version: 2.1.1 published: '2025-10-27' license: null repository: https://github.com/withoneai/pica-langchain install: pip install pica-langchain note: >- Previous-brand Python/LangChain SDK. Last release 2025-10-27; home_page still points at picaos.com. No @withone-branded Python package is published — the Python surface is the strongest decay signal in this set. - name: pica-ai registry: pypi url: https://pypi.org/project/pica-ai/ official: true language: Python kind: sdk version: 1.0.0 published: '2025-04-02' license: null repository: https://github.com/picahq/pica-ai install: pip install pica-ai note: >- Previous-brand Python client. Single 1.0.0 release on 2025-04-02 and nothing since; the named GitHub repo is under the retired picahq org. absent_registries: - registry: pypi checked: '2026-09-13' note: 'No package published under a `withone` name — https://pypi.org/pypi/withone/json returns 404.' - registry: npm checked: '2026-09-13' note: >- The npm scope search endpoint (`?text=scope:withone`) returns total 0 for this scope, so the list above was assembled by direct package lookups from the docs, the agent card `sdk` block and the GitHub org; there may be additional unlisted @withone packages. official_sdk_count: 10 maintainers: - FN: Kin Lane email: kin@apievangelist.com