SF Bay Area Events: Cloudflare, PyTorch and AGNTCon, October 19–25, 2026
A ranked shortlist of the Bay Area's AI, developer, founder and builder events for October 19 to 25, 2026 — the week Cloudflare Connect, the PyTorch Conference and AGNTCon + MCPCon run — with prices, registration status, quality signals and a direct link for every entry.
Three big rooms open this week, and two of them are in San Jose.
Cloudflare Connect 2026 runs Monday through Wednesday, October 19 to 21, at Moscone West in San Francisco. 1 Cloudflare counts 5,000-plus developers and security leaders, 40 partners and more than 100 sessions across five tracks. A conference pass is US$595 and includes the keynotes, the breakouts, meals, swag and the closing party.
PyTorch Conference North America follows on Tuesday and Wednesday, October 20 and 21, at the San Jose Convention Center. 2 The PyTorch Foundation counts 3,500 attendees, 200 talks and posters, and 400 speakers across the two days. Late registration is US$999, or US$249 on an academic ticket. 3
AGNTCon + MCPCon North America takes the same building on Thursday and Friday, October 22 and 23. 4 The Linux Foundation runs it for people putting agents into production: 150 talks over 11 tracks, seven workshops at no added cost. An attendee ticket is US$925, a one-day pass US$475, and an expo-plus-party pass US$149. 5
That shapes how the week splits. Monday to Wednesday the gravity is San Francisco and San Jose at once; Thursday and Friday it moves south, and the strongest evening rooms are back in the city. Everything below was checked on Sunday, October 18, 2026, and every time is Pacific.
Several rooms had already closed by Sunday morning. Where that happened, the entry says so and names the waitlist, because hosts release places from it as the date nears.
The week at a glance
Ranking weighs topic relevance first, then the evidence of quality: who is hosting, whether a programme or a speaker list is published, how selective the room is, and whether registration is still open. The status in each row is what the event's own page reported on October 18.
| Rank | Event | When | Where | Category | Entry | Status and access |
|---|---|---|---|---|---|---|
| 1 | Cloudflare Connect 2026 | Mon–Wed, Oct 19–21, from 8:00 AM | Moscone West, San Francisco | Developer and security conference | Ticketed, US$595 | Registration open when checked. US$495 per pass for groups of five to nine, half price at ten or more, US$100 off with a .gov, .mil, .org or .edu address. Matthew Prince, Michelle Zatlyn, Fei-Fei Li and Adam Grant speak. 1 |
| 2 | PyTorch Conference North America | Tue–Wed, Oct 20–21, 9:00 AM | San Jose Convention Center, 150 W San Carlos St | AI conference | Ticketed, US$999; US$249 academic | Late rate open when checked, and it closes October 21. Mark Collier, executive director of the PyTorch Foundation, is on the speaker list. 2 |
| 3 | AGNTCon + MCPCon North America | Thu–Fri, Oct 22–23, 9:00 AM | San Jose McEnery Convention Center, 150 W San Carlos St | AI agents conference | Ticketed, US$925; US$475 one-day; US$149 expo and party | Open when checked. A Luma listing for the conference publishes a 50 percent discount code, BONDAI_NA. 6 |
| 4 | Triton Developer Conference 2026 | Mon, Oct 19, 8:00 AM–5:00 PM, then an offsite meetup from 5:00 PM | San Jose Convention Center | GPU kernel and compiler conference | RSVP; no price published | Registration open when checked. Keynotes from OpenAI and Meta, talks from NVIDIA, AMD, IBM Research and Marvell. 7 |
| 5 | AI Community Bash featuring DE LA SOUL | Wed, Oct 21, 6:00–9:00 PM | San Jose Convention Center, Hall 3 | Themed tech party | Included with either conference pass | Open to registered attendees of PyTorch or AGNTCon when checked. Food, drinks and a live set from DE LA SOUL. 8 |
| 6 | VibeCon SF 2026, Vibecode Your Way to a YC Interview | Sat, Oct 24, 9:30 AM | Y Combinator, San Francisco | Hackathon | Free, application | Applications open when checked. 175 places, run with Emergent; the winner takes US$10,000 and an interview for an upcoming YC batch. 9 |
| 7 | Cline, Parallel, & Composio Hackathon | Mon, Oct 19, 11:00 AM–4:30 PM | San Francisco; address to approved guests | Hackathon | Free, approval | Full when checked; waitlist open. 250 going. First prize is an NVIDIA DGX Spark, second US$1,000 in Cline credits. 10 |
| 8 | Open Source AI Week 2026 | Open Weight Debate Night | Mon, Oct 19, 5:00–9:00 PM | GitHub, San Francisco | Debate | Free, RSVP | Open when checked, 496 going. Ion Stoica, Percy Liang, Ben Brooks, Cheryl Cheng and Malo Bourgon argue on stage. 11 |
| 9 | Fireside Chat with Sriram Krishnan | Tue, Oct 20, 11:30 AM | South Park Commons, San Francisco | Fireside | Free, approval | Open when checked. Krishnan was until recently the White House's senior adviser on AI and an architect of the US AI Action Plan, and before that a general partner at Andreessen Horowitz. 12 |
| 10 | -1 to Anduril with Trae Stephens | Wed, Oct 21, 3:00 PM doors, 3:30 PM talk | South Park Commons, San Francisco | Fireside | Free, approval | Open when checked. Anduril's co-founder and executive chairman, and a general partner at Founders Fund. 13 |
| 11 | Beta Fund X AWS X OpenAI Multi-Model Hackathon | Fri, Oct 23, 9:30 AM | San Francisco; address to approved guests | Hackathon | Free, application | Open when checked, 318 going. One build day across the AWS and OpenAI model families. 14 |
| 12 | OpenClaw & Friends Meetup w/ NVIDIA & Microsoft | Tue, Oct 20, 6:00–9:00 PM | San Francisco; address to approved guests | AI meetup | Free, RSVP | Full when checked, 361 going. Demos at 6:20, a panel at 6:45, networking from 7:20. 15 |
| 13 | AI Infra Night @PyTorchCon | Tue, Oct 20, 6:30–9:30 PM | San Jose; a short walk from the convention centre | AI infrastructure meetup | Free, RSVP | Open when checked, 251 going. dstack, Crusoe and SGLang host the room after the conference floor closes. 16 |
| 14 | Intelligence at Work Hackathon | Fri, Oct 23, 8:30 AM–8:00 PM | Silicon Valley AI Hub, Menlo Park | Hackathon | Free, application | Open when checked; all attendees apply and are approved. Snowflake and Anthropic, teams of up to three, bring your own data. 17 |
| 15 | SCALE at GMI: Spooky Demo Day [Cohort 2] | Fri, Oct 23, 12:00 PM | GMI Cloud, Hillsborough | Demo day | Free, application | Open when checked, 80 going. GMI Cloud's second SCALE cohort presents to the room. 18 |
| 16 | Open Source AI Awards Night | Fri, Oct 23, 5:00 PM | San Francisco | Awards night | Free, RSVP | Open when checked, 240 going. Closes Open Source AI Week on its last night. 19 |
Monday, October 19
Kernels in San Jose, code in San Francisco
Cloudflare Connect opens its first day with the training track. Cloudflare University runs three sessions across the day at US$495 as an add-on, and it sold out. 1 The Global Partner Summit runs 1:00 to 5:00 PM, The Cold Start startup pitch competition 4:00 to 5:00 PM, and the welcome reception 5:00 to 7:00 PM. Status: conference registration open when checked, US$595.
Triton Developer Conference 2026 runs 8:00 AM to 5:00 PM at the San Jose Convention Center, 150 W San Carlos St, co-located with PyTorch for the first time in its fourth year. 7 The two keynotes tell you what day you are in for: Thomas Raoux of OpenAI on Triton's state of the union, Shane Nay of Meta on GPU compilers at Meta. The rest is kernel work. NVIDIA covers programming the Rubin GPUs and a CUDA Tile IR backend, and AMD takes Triton Gluon against MI450. IBM Research has fused kernels for hybrid state-space models in vLLM, and Marvell has a KV cache too large for one accelerator. Poster sessions at 11:20 AM and 4:15 PM, and an offsite meetup from 5:00 PM. Status: registration open when checked; the page publishes no ticket price.
The Cline, Parallel, & Composio Hackathon runs 11:00 AM to 4:30 PM in San Francisco, at an address released to approved guests. 10 The brief is a personal agent built in the open with Cline, Composio, Parallel and open models, and the only house rule is that what you build gets open-sourced. Prizes run an NVIDIA DGX Spark, US$1,000 in Cline credits and roughly US$500 for third. Status: full when checked, 250 going, waitlist open.
The Open Weight Debate Night fills GitHub's San Francisco office from 5:00 to 9:00 PM. 11 The billed debaters are Ion Stoica of UC Berkeley, Databricks and Anyscale; Percy Liang of Stanford, Marin and Open Athena; Ben Brooks of Black Forest Labs; Cheryl Cheng of M12; and Malo Bourgon of MIRI. Michael Schwarz of Microsoft, Vibhu Sapra and Sophia Dew moderate. Status: registration open when checked, 496 going.
The SF Database Meetup starts at 5:30 PM at PlanetScale, 108 Natoma St. 20 Three talks: Christian Glassiognon of PlanetScale on what a database really is, Hunter Leath of Archil on a cloud filesystem built for agents at scale, and Erik Dunteman of Modal. Status: open when checked, 280 going.
MCP in the Wild: Agents That Know You runs 5:30 to 8:00 PM at the Silicon Valley AI Hub in Menlo Park, with Snowflake, ODSC AI and SpaceXAI. 21 It is the personal-agent argument in one evening: what changes when an agent remembers preferences and acts across tools. Status: open when checked.
Tuesday, October 20
PyTorch opens, and three good rooms collide at six
PyTorch Conference North America, day one starts at 9:00 AM at the San Jose Convention Center. 2 The programme covers PyTorch and the projects built on it — vLLM, DeepSpeed, Ray, Helion and Safetensors — from bare-metal infrastructure up to agent systems. Mark Collier, executive director of the PyTorch Foundation, is on the speaker list, and the programme runs to 400 speakers across talks, posters and demos. Status: late rate open when checked at US$999, US$249 academic, closing October 21.
Cloudflare Connect, day two opens its general session at 8:30 AM and runs breakouts from 11:00 AM, with Fei-Fei Li and Adam Grant on the speaker list alongside Matthew Prince and Michelle Zatlyn. 1 Status: conference registration open when checked, US$595.
The Fireside Chat with Sriram Krishnan starts at 11:30 AM at South Park Commons. 12 Krishnan was most recently the senior White House policy adviser on AI and an architect of the US AI Action Plan; before that he was a general partner at Andreessen Horowitz and held product roles at Microsoft, Meta and Twitter. Status: open when checked, approval required.
The OpenClaw & Friends Meetup runs 6:00 to 9:00 PM in San Francisco with the OpenClaw Foundation, NVIDIA and Microsoft. 15 The published agenda is doors and refreshments at 6:00, short demos from all three hosts at 6:20, a moderated panel with fifteen minutes of audience questions at 6:45, and open networking from 7:20. Status: full when checked, 361 going.
AI Infra Night @PyTorchCon starts at 6:30 PM in San Jose, a short walk from the convention centre. 16 dstack, Crusoe and SGLang host the crowd that spent the day on the conference floor — GPU, training and inference people comparing notes. Status: open when checked, 251 going.
The SGLang Meetup is the other infrastructure room, 5:00 to 9:00 PM at LinkedIn in Sunnyvale, 950 W Maude Ave, with LMCache. 22 It is the furthest of the three from the convention centre, and the one with the narrowest subject: serving real LLM workloads. Status: full when checked, 232 going, waitlist open.
The GTM & Marketing Hackathon by Granola x Anthropic runs 5:30 to 8:30 PM at Granola's San Francisco office. 23 It is aimed at operators, and the page says no technical background is needed. Claude API credits are supplied on the night. Status: full when checked, waitlist open.
Wednesday, October 21
Two conferences close, and DE LA SOUL plays San Jose
PyTorch Conference North America, day two runs from 9:00 AM, and the conference closes that afternoon at 5:00 PM. 2 Status: the late registration window ends today.
The AI Community Bash featuring DE LA SOUL brings the PyTorch and AGNTCon crowds into one room, 6:00 to 9:00 PM in Hall 3 of the San Jose Convention Center. 8 Admission comes with either conference pass, and the page asks you to confirm attendance when you register so a place is held. Status: open to registered attendees of either conference when checked.
Cloudflare Connect closes with a general session at 9:00 AM and breakouts through the afternoon, then func(tion) takes over Oracle Park from 7:00 PM with a headliner Cloudflare has not named. 1 Status: conference registration open when checked, US$595; the closing party is included in the pass.
-1 to Anduril with Trae Stephens opens its doors at 3:00 PM at South Park Commons, with the conversation from 3:30 to 4:30 PM. 13 Stephens is a general partner at Founders Fund and co-founder and executive chairman of Anduril, and before both was an early Palantir employee. Status: open when checked, approval required.
The Cloudflare Open Source Happy Hour runs 5:45 to 6:45 PM at 101 Townsend St, before func(tion) a few blocks away. 24 The host list is the draw: Evan You, who created Vue and Vite; Fred Schott and Matthew Phillips, Astro's co-creators; Ryan Dahl and Bert Belder, who joined Cloudflare from Deno; and Charlie Gleason of Replicate. Status: open when checked.
The Open Source AI + Policy Happy Hour runs 5:30 to 9:00 PM at GitHub, 88 Colin P Kelly Jr St. 25 It is the week's one policy room, built around two conversations on where cross-sector work can move open source AI forward. Status: open when checked, 178 going.
Lessons from Open Source DevTools Founders starts at 6:00 PM at Hogpatch, 2360 3rd St, from PostHog and 1984 Ventures. 26 Three round tables, with operators from PostHog, Cline and Unikraft on using open source to reach developers and turning that usage into a business. Status: open when checked, 179 going.
A World Model for Biology puts Bioptimus chief executive Jean-Philippe Vert in front of a San Francisco room at 6:00 PM, hosted by Bits in Bio SF and MBC BioLabs. 27 Bioptimus is a Paris team, and it is showing M-Optimus, a model that combines histology, single-cell and spatial transcriptomics, for the first time in the city. Status: full when checked, 188 going, waitlist open.
Durable AI runs 5:30 to 8:00 PM at 500 Sansome St with Temporal and Kernel, on what happens to an agent between its first request and its last. 28 Status: open when checked, 94 going.
Thursday, October 22
The agents conference opens; the satellites stay in the city
AGNTCon + MCPCon North America, day one starts at 9:00 AM at the San Jose McEnery Convention Center. 4 The keynote list is unusually deep for an agents conference: Tim O'Reilly, Thomas Dohmke, David Soria Parra, one of MCP's creators, Sarah Drasner, Dawn Song, Chi Wang and Bradley Axen of Goose. Sessions run across 11 tracks, and the seven workshops carry no added cost. Status: open when checked; US$925, US$475 for a single day, US$149 for the expo and party pass.
The Production Agent Lab runs 3:30 to 8:00 PM in San Francisco, from tokens&. 29 The shape is three hands-on workshops, then a live pitch night where the room votes on what got built and prizes and credits go to the winners. Status: open when checked.
The Open Source AI Summit SF starts at 2:30 PM at The House by Edge & Node, from BuildPlanet. 30 Status: open when checked, 174 going.
The SPC Post-Training Forum puts LangChain chief technology officer Ankush Gola in South Park Commons at 2:45 PM. 31 Status: open when checked, approval required.
Training Agents IRL starts at 6:00 PM at GitHub, with Ben Burtenshaw. 32 Status: open when checked.
Craft at Speed: Linear × Granola × Figma runs 6:00 to 8:30 PM in San Francisco. 33 Brendan Carney, an engineering lead at Linear, walks through why Linear runs no separate QA function and no design-to-engineering handoff, and how a small team still ships weekly. Status: open when checked.
An Agent Walks into a Bar runs 7:30 to 10:00 PM in San Jose, from Manufact with Elastic and Apollo GraphQL, as the first day of AGNTCon ends. 34 Demos at 8:15, a standup set from LaughGPT at 8:30, drinks and networking until 10:00. Status: open when checked, 24 going.
Friday, October 23
The densest build day of the week
AGNTCon + MCPCon North America, day two runs from 9:00 AM and closes at 6:00 PM. 4 Status: open when checked.
The Intelligence at Work Hackathon runs 8:30 AM to 8:00 PM at the Silicon Valley AI Hub in Menlo Park, from Snowflake and Anthropic. 17 The brief asks you to bring a real problem from your company and build against your own data, with a fallback dataset supplied if you cannot. Teams may have up to three members, and every attendee applies and is approved before confirming. Status: open when checked, application required.
The Beta Fund X AWS X OpenAI Multi-Model Hackathon starts at 9:30 AM in San Francisco. 14 318 were going when it was checked, and the premise is portability across two model families. Status: open when checked, application required.
The Open Source AI Awards Night runs from 5:00 PM in San Francisco, on the last night of Open Source AI Week. 19 Status: open when checked, 240 going.
SCALE at GMI: Spooky Demo Day starts at noon at GMI Cloud in Hillsborough, where the second SCALE cohort presents. 18 The costume note in the title is doing real work. Status: open when checked, 80 going, application required.
The Robotics Hardware Hackathon runs from 9:00 AM in San Francisco, put on by Saturday Robotics with the Robotics Center, as the 35th session of their reading club. 35 Tickets are US$20 to US$32.80, and the work is hardware: the one build day this week where the constraint is a workbench. Status: open when checked, 120 going.
Saturday, October 24
Four build days, and a prize that opens a door
VibeCon SF 2026 starts at 9:30 AM inside Y Combinator's San Francisco office. 36 The programme, as its listing describes it, is a 175-person, application-only build weekend run with Emergent. Builders with two or more years of experience make a working product from scratch, then demo to pod judges. The top ten pitch on the main stage to a YC panel, and the winner takes US$10,000 and a direct interview for an upcoming batch. An optional overnight block runs before the demos. Status: applications open when checked; 175 places.
Hack for Social Impact 2026 runs from 9:00 AM at 1885 Mission St. 37 Status: open when checked, 196 going.
The Kane CLI Hack Day starts at 9:30 AM at TestMu AI, with OpenAI's support, and runs for teams that want to ship something inside a single day. 38 Status: closed at capacity when checked.
The Patch the Conference Hackathon starts at 9:00 AM, from Bright Data, with iPhone Duos as the prize. 39 Status: open when checked.
Sunday, October 25
Dumplings, a book, and a beach
World of Dumplings returns to the Ferry Building from 11:00 AM to 5:00 PM, free and all day. 40 The organisers count more than 13,000 attendees and 45-plus restaurants and businesses at last year's edition, and this year adds cooking demos and live performances. Status: open when checked, 200 going.
Read at the Beach runs 3:00 to 6:00 PM at Ocean Beach, from Read in the Park and Sunset O'Clock. 41 An afternoon of reading, then small-group conversation, then a bonfire and the sunset. Status: open when checked, US$5, 23 going.
Also on the calendar
The rest of the verified shortlist for the week.
Monday, October 19
- PyTorch, Powering the Enterprise — 9:00 AM–4:00 PM, San Jose, free, from Red Hat, NVIDIA and IBM; full when checked, waitlist open. 42
- Jupyter Day — 9:00 AM–5:00 PM, San Jose Convention Center, co-located with PyTorch, registration through the Linux Foundation. 43
- LF AI & Data Mini Summit — 9:00 AM–5:00 PM, San Jose Convention Center, free to add on to a PyTorch registration. 44
- From Academia to Adoption Workshop — 9:00 AM–12:00 PM, San Jose Convention Center, free, pre-registration required on top of an academic PyTorch pass. 45
- Universal Hackathon — Create Your Own AI Workforce — 9:30 AM, AWS Builder Loft, San Francisco, free. 46
- Arm Create: Hands-on AI with Google, Renesas & Nota AI — 10:00 AM–9:00 PM, San Jose, free; full when checked, 128 going, waitlist open. 47
- Agents hunting Agents — 10:30 AM–3:30 PM, Silicon Valley AI Hub, Menlo Park, free; full when checked, 160 going, waitlist open. 48
- Claude Workshop with Provectus — 1:00–5:30 PM, San Francisco, free, approval required; the session is built for business leaders. 49
Tuesday, October 20
- Daytona & Oracle AI Builders — SF — 5:30 PM, San Francisco, free, approval required, 438 going. 50
- AI Safety Night SF: From Multimodal to Physical AI — 6:00 PM, The Art of San Francisco, free; full when checked, 127 going, waitlist open. 51
- Founders Panel: The Agentic Stack — 6:30 PM, San Francisco, free, approval required; closed when checked at 202 going. Taylor Otwell of Laravel, Sam Lambert of PlanetScale and WorkOS on the panel. 52
- Multiplayer Build Night & Mixer by Party — 6:00 PM, 810 Hamilton St, Redwood City, free. 53
- Flow State Lounge — 8:00 PM–2:00 AM, San Francisco, free, approval required; a late-night workroom with a smoothie and caffeine bar. 54
Wednesday, October 21
- AI Infrastructure Night — 5:30 PM, San Francisco, free, approval required, 311 going. 55
- Support Is an Engineering Problem Now — Plain × Sentry — 5:30–8:00 PM, Sentry's San Francisco office, free, approval required. 56
- Bay Area Frontier Research Club #28 — 5:30–8:30 PM, Stanford, free, approval required; dinner and a paper discussion on a colorectal cancer finding and virtual cells. 57
- Early Days #01: Your First 10 Customers with Pete Kazanjy — 6:00 PM, Antler, San Francisco, free, approval required. 58
- Long Horizon After Party — 6:00–9:00 PM, St. Francis Yacht Club, San Francisco, free; closed when checked, capacity 200, waitlist open. Hosted by Encord with CoreWeave and LanceDB. 59
- Pitch & Run San Francisco — 6:30 PM, Willie Mays Gate, San Francisco, free, approval required. 60
Thursday, October 22
- Founders Inc: Open Campus (Blueprint Edition) — 3:30 PM, Founders Inc., San Francisco, free, approval required. 61
- Boos in Biotech Happy Hour — 5:00–8:00 PM, San Carlos, free; a Halloween-themed Nucleate night on the hard parts of bootstrapping and scaling a biotech. 62
- Multimodal Engineering Night — SF Community Meetup — 5:30 PM, San Francisco, free, approval required, from The AI Collective. 63
- ElevenLabs Funded Founders Three Course Private Dinner — 6:00 PM, San Francisco, free; closed when checked, waitlist open, from Leverage. 64
- LIVE MUSIC: Folk Songs for the AI Age — 6:00–9:30 PM, San Francisco, free, 126 going. Researchers Jamie Simon and Eric Michaud, who perform as Rage Against the Turing Machine, play original folk songs about AI and the city. 65
- Coffee Meets Mahjong — 7:00–10:00 PM, Fang, 660 Howard St, US$35; closed when checked, 76 going. 66
- every thing computer, exhibition opening — 7:00–9:00 PM, tiat, 151 Powell St, US$0–10; artists and designers making computers tactile, spatial and strange. 67
Friday, October 23
- Founders Gatherings — 4:00 PM, San Francisco, US$69, approval required. 68
- 12 Scrappy Founders — Private Poker Night — 5:00 PM, San Francisco, free, approval required; members and the docu-series cast only. 69
- BOXOWEEN — 9:00 PM–2:00 AM, Club Waziema, 543 Divisadero St, US$22; closed when checked, waitlist open. A Halloween party a week early, 21 and over, costumes required. 70
Saturday, October 24
- Builders who Run SF — 5K — 9:00 AM, San Francisco, free, approval required. 71
- Founders Running Club: SF — 9:30 AM, William McKinley Monument, San Francisco, free, 229 going. 72
- BABF Halloween Book Fair — 2:00–6:00 PM, Two Pitchers Brewing, 2344 Webster St, Oakland, free; indie presses, a silent book club and a book swap. 73
- UNDSCVRD Golden Hour Night Market — 4:00–10:00 PM, 330 Ritch St, San Francisco, free with paid tiers up to US$100, 229 going. 74
How to choose
- If you have one day and no ticket budget. Monday is the free day: the Open Weight Debate at GitHub from 5:00 PM costs nothing and puts Ion Stoica and Percy Liang on one stage, and the Triton conference earlier the same day is an RSVP with no published price.
- If you want a conference badge and a real programme. Cloudflare Connect is US$595 for three days at Moscone West, and the PyTorch Conference late rate of US$999 closes on October 21, the second day of the event. The academic PyTorch ticket is US$249.
- If you want the cheap way into the San Jose week. The AGNTCon expo-plus-party pass is US$149 and includes the DE LA SOUL bash on October 21; a Luma listing for the conference also publishes a 50 percent discount code.
- If you want to build something and leave with a demo. Friday has the most rooms: the Snowflake and Anthropic day in Menlo Park, the Beta Fund, AWS and OpenAI day in the city, and the GMI cohort demo at noon. Saturday's VibeCon is the one with a YC interview attached.
- If you want founders in a small room. South Park Commons runs two: Sriram Krishnan on Tuesday morning and Trae Stephens on Wednesday afternoon, both on approval.
- If you want the week's best pure social night. The Cloudflare open source happy hour on Wednesday has Evan You, the Astro pair and the Deno pair in one room for an hour, and the AI Community Bash closes that same night with DE LA SOUL in San Jose.
- If you are planning around a trip. The whole middle of the week is San Jose — Tuesday and Wednesday at the convention centre, Thursday and Friday at the McEnery centre next door. Saturday pulls everything back to San Francisco.
Source boundaries and disclosures
This is a curated shortlist of the Bay Area technology, AI, founder and builder events worth knowing about for October 19 to 25, 2026, the week Cloudflare Connect, PyTorch Conference and AGNTCon + MCPCon run. Every date, time, venue and access state came from the event's own page, and registration status is what those pages reported on Sunday, October 18, 2026. Where an entry gives no street address, the host has kept it private and releases it to registered or approved guests.
Three calendars did most of the work. Luma's San Francisco discovery listing returned 56 events, 34 of them inside the window. 75 The Open Source AI Week calendar carried the conference-adjacent week, including Triton, the DE LA SOUL bash and the Jupyter and LF AI & Data days. 76 Foundercal's San Francisco calendar lists 134 events for October, 52 of them dated this week, and it supplied most of the Friday and Saturday build days that the other two calendars did not surface. 77
Cloudflare Connect is in this issue on the strength of Cloudflare's own conference page, which no calendar surfaced. 1 The same is true of the two Linux Foundation conferences and of the PyTorch registration rates. 2 Cerebral Valley surfaced the Snowflake and Anthropic hackathon. 78
Two of the five calendars this channel normally reads produced no listing for this window. Eventbrite's date-filtered San Francisco technology listings for October 19 to 25 returned 18 events, nearly all of them recurring networking nights from the same handful of organisers. The one that published a programme named a venue in Dublin while its own structured listing data placed it at a coworking space on California Street, so none were carried. 79 Partiful's San Francisco explore page returned 64 gatherings for the same period, all of them social or cultural, with no technology or builder event among them. 80 The San Francisco Tech Week calendar, whose festival ran October 5 to 11, lists two events inside this window, and one of those was already carried in the October 12–18 issue. 81
Where an entry says the room was full, the waitlist is the way in. Hosts release places from it as the date nears.
References
- 1Cloudflare Connect 2026
cloudflare.com
- 2PyTorch Conference North America
events.linuxfoundation.org
- 3PyTorch Conference registration
events.linuxfoundation.org
- 4AGNTCon + MCPCon North America
events.linuxfoundation.org
- 5AGNTCon + MCPCon registration
events.linuxfoundation.org
- 6AGNTCon + MCPCon on Luma
luma.com
- 7Triton Developer Conference
tritonconference2026.splashthat.com
- 8AI Community Bash featuring DE LA SOUL
events.linuxfoundation.org
- 9VibeCon SF 2026 listing
foundercal.com
- 10
- 11Open Weight Debate Night
luma.com
- 12
- 13-1 to Anduril with Trae Stephens
luma.com
- 14
- 15OpenClaw & Friends Meetup
luma.com
- 16AI Infra Night @PyTorchCon
luma.com
- 17Intelligence at Work Hackathon
cerebralvalley.ai
- 18SCALE at GMI: Spooky Demo Day
luma.com
- 19Open Source AI Awards Night
luma.com
- 20The SF Database Meetup: October
luma.com
- 21MCP in the Wild
luma.com
- 22
- 23
- 24
- 25
- 26
- 27A World Model for Biology
luma.com
- 28Durable AI (October Edition)
luma.com
- 29Production Agent Lab
luma.com
- 30Open Source AI Summit SF
luma.com
- 31SPC Post-Training Forum
luma.com
- 32Training Agents IRL
luma.com
- 33Craft at Speed
luma.com
- 34An Agent Walks into a Bar
luma.com
- 35Robotics Hardware Hackathon
luma.com
- 36VibeCon SF 2026 registration
events.ycombinator.com
- 37Hack for Social Impact 2026
luma.com
- 38Kane CLI Hack Day
luma.com
- 39Patch the Conference Hackathon
luma.com
- 40World of Dumplings
luma.com
- 41Read at the Beach
luma.com
- 42PyTorch, Powering the Enterprise
luma.com
- 43Jupyter Day
luma.com
- 44LF AI & Data Mini Summit
luma.com
- 45
- 46Universal Hackathon
luma.com
- 47Arm Create
luma.com
- 48Agents hunting Agents
luma.com
- 49Claude Workshop with Provectus
luma.com
- 50Daytona & Oracle AI Builders
luma.com
- 51AI Safety Night SF
luma.com
- 52
- 53Multiplayer Build Night & Mixer
luma.com
- 54Flow State Lounge
luma.com
- 55AI Infrastructure Night
luma.com
- 56
- 57
- 58Early Days #01
luma.com
- 59Long Horizon After Party
luma.com
- 60Pitch & Run San Francisco
luma.com
- 61Founders Inc: Open Campus
luma.com
- 62Boos in Biotech Happy Hour
luma.com
- 63Multimodal Engineering Night
luma.com
- 64
- 65Folk Songs for the AI Age
luma.com
- 66Coffee Meets Mahjong
luma.com
- 67every thing computer
luma.com
- 68Founders Gatherings
luma.com
- 6912 Scrappy Founders Poker Night
luma.com
- 70BOXOWEEN
luma.com
- 71Builders who Run SF — 5K
luma.com
- 72Founders Running Club: SF
luma.com
- 73BABF Halloween Book Fair
luma.com
- 74
- 75Luma San Francisco
luma.com
- 76Open Source AI Week
events.linuxfoundation.org
- 77Foundercal San Francisco
foundercal.com
- 78Cerebral Valley
cerebralvalley.ai
- 79Eventbrite San Francisco technology listings
eventbrite.com
- 80Partiful San Francisco
partiful.com
- 81San Francisco Tech Week calendar
luma.com
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