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  "markdown": "Co-founder, left the company in early 2017.\n\nLeo Widrich co-founded Buffer, joining Joel Gascoigne on it in early 2011, and wrote the company's announcement of its $450,000 seed round that December. He left Buffer in early 2017.\n\n## What Leo builds\n\n- [Buffer API + MCP](https://www.anchorterminal.com/tools/buffer.md), graded B, 62/100, in Social media posting APIs. Buffer's GraphQL API, reopened to everyone on 2026-05-27 and free on every plan, with a hosted MCP server (20 tools) and a CLI. Co-founder, left the company in early 2017, researched 2026-10-28.\n\n## Works with\n\n- [Joel Gascoigne](https://www.anchorterminal.com/people/joel-gascoigne/), CEO and co-founder\n\n## Backed by\n\n- [AngelPad](https://www.anchorterminal.com/investors/angelpad/)\n- [InterWest Partners](https://www.anchorterminal.com/investors/interwest-partners/)\n- [Inspiration VC](https://www.anchorterminal.com/investors/inspiration-vc/)\n- [Red Swan Ventures](https://www.anchorterminal.com/investors/red-swan-ventures/)\n- [VegasTechFund](https://www.anchorterminal.com/investors/vegastechfund/)\n- [Eric Kim](https://www.anchorterminal.com/investors/eric-kim/)\n- [Maneesh Arora](https://www.anchorterminal.com/investors/maneesh-arora/)\n- [Jay Baer](https://www.anchorterminal.com/investors/jay-baer/)\n- [Dharmesh Shah](https://www.anchorterminal.com/investors/dharmesh-shah/)\n- [Peter Bordes](https://www.anchorterminal.com/investors/peter-bordes/)\n- [Harvey Brofman](https://www.anchorterminal.com/investors/harvey-brofman/)\n- [Andy McLoughlin](https://www.anchorterminal.com/investors/andy-mcloughlin/)\n- [Graham Jenkin](https://www.anchorterminal.com/investors/graham-jenkin/)\n- [Jim LeTourneau](https://www.anchorterminal.com/investors/jim-letourneau/)\n- [Gordon Paddison](https://www.anchorterminal.com/investors/gordon-paddison/)\n- [Jay Gould](https://www.anchorterminal.com/investors/jay-gould/)\n- [Alberto Benbunan](https://www.anchorterminal.com/investors/alberto-benbunan/)\n- [Gokul Rajaram](https://www.anchorterminal.com/investors/gokul-rajaram/)\n- [Shan Mehta](https://www.anchorterminal.com/investors/shan-mehta/)\n- [Adii Pienaar](https://www.anchorterminal.com/investors/adii-pienaar/)\n- [Scott Bannister](https://www.anchorterminal.com/investors/scott-bannister/)\n- [Eric Ries](https://www.anchorterminal.com/investors/eric-ries/)\n- [Hiten Shah](https://www.anchorterminal.com/investors/hiten-shah/)\n\n## Questions\n\n### Who is Leo Widrich?\n\nLeo Widrich co-founded Buffer, joining Joel Gascoigne on it in early 2011, and wrote the company's announcement of its $450,000 seed round that December. He left Buffer in early 2017.\n\n### What does Buffer make?\n\nAnchor Terminal lists Buffer API + MCP from Buffer. Buffer's GraphQL API, reopened to everyone on 2026-05-27 and free on every plan, with a hosted MCP server (20 tools) and a CLI.\n\n### Who has invested in Buffer?\n\nThe sources our research read name AngelPad, InterWest Partners, Inspiration VC, Red Swan Ventures, VegasTechFund, Eric Kim, Maneesh Arora, Jay Baer, Dharmesh Shah, Peter Bordes, Harvey Brofman, Andy McLoughlin, Graham Jenkin, Jim LeTourneau, Gordon Paddison, Jay Gould, Alberto Benbunan, Gokul Rajaram, Shan Mehta, Adii Pienaar, Scott Bannister, Eric Ries and Hiten Shah.\n\n### How are Leo's tools graded?\n\nBuffer API + MCP is graded B, 62 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://buffer.com/about\n- https://buffer.com/\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n",
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