Typed
Every block declares what goes in and what comes out. A change that breaks a type never reaches production.
Tessel · Operations platform Est. 2023 · Rotterdam
Quiet automation for serious operations.
Tessel runs the work between your systems. Every block is typed, every run is traced, and nothing sensitive happens without a person saying yes.
SOC 2 Type IIAudited yearly
12 regionsData stays put
p95 184 msPer block
01 Clients
Halden northwind Kestrel/Bank Lumen Freight Oru Vela Health
02 Principles
Principles
Three promises. We keep all of them.
Traced
Every run keeps its inputs, outputs and timings for 30 days. When something fails, you know which block and why.
Approved
Payments, refunds and access changes wait for a named person. Agents can suggest. Only people can sign.
03 Anatomy
Anatomy
One block, drawn in section.
Each workflow is three layers. Data comes in at the bottom, the work happens in the middle, and results leave from the top.
01SourcesPostgres, Paylane, Dealforge and 143 more, as typed events.
02Agents and logicEach agent has a budget, a tool list and a named approver.
03SurfacesChatline, email, an API endpoint or a generated internal app.
04 Numbers
2.1BRuns in September
184 msp95 latency per block
99.99%Uptime, trailing 12 months
05 Voices
“The best software we bought this year is the one nobody talks about. It just runs, and when it can't, it asks.”
06 Start
Start with one block.
Free for up to three builders. $39 per builder a month when you grow.
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