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Alexey Spinov

I work on keeping AI agents cheap and reliable in production — token cost (FinOps), evals, and MCP tooling. I write up what actually breaks when agents run for real: runnable code, real numbers, hones

Joined Joined on  Personal website https://finops.spinov.online

Work

Independent — AI agent operations (FinOps & reliability)

You're Billed for One Model. The Token Math Points to Another.
alex_spinov profile

You're Billed for One Model. The Token Math Points to Another.

#ai #finops #python #agents
1
Comments
22 min read

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Your Gate Trusts a Signal the Model Wrote. One Write-Hop Proves It.
alex_spinov profile

Your Gate Trusts a Signal the Model Wrote. One Write-Hop Proves It.

#ai #security #python #agents
2
Comments 6
17 min read
An SBOM Proves What You Installed. It Can't Prove You Should Have.
alex_spinov profile

An SBOM Proves What You Installed. It Can't Prove You Should Have.

#ai #security #python #agents
1
Comments
20 min read
Your Trace Proves What the Agent Did. It Can't Prove It Was Allowed.
alex_spinov profile

Your Trace Proves What the Agent Did. It Can't Prove It Was Allowed.

#ai #security #agents #python
1
Comments
15 min read
You Can't Patch Prompt Injection. Gate the Lethal Trifecta Before the Agent Runs.
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You Can't Patch Prompt Injection. Gate the Lethal Trifecta Before the Agent Runs.

#ai #security #agents #python
1
Comments 3
16 min read
A 58% Win-Rate Over Zero Closed Trades: Recompute Agent Scorecard
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A 58% Win-Rate Over Zero Closed Trades: Recompute Agent Scorecard

#ai #agents #python #crypto
1
Comments
13 min read
Your LLM Router Logged the Wallet Key. It Already Left.
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Your LLM Router Logged the Wallet Key. It Already Left.

#security #ai #python #agents
1
Comments 3
11 min read
Passing the Eval Isn't Solving the Task: 3 Leaks, 60 Lines
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Passing the Eval Isn't Solving the Task: 3 Leaks, 60 Lines

#ai #testing #python #agents
1
Comments 1
10 min read
Your AI Code Has 6 Secret Hits. Only 3 Ship in the npm Package.
alex_spinov profile

Your AI Code Has 6 Secret Hits. Only 3 Ship in the npm Package.

#security #python #ai #devops
1
Comments 1
8 min read
Dependency Gap in AI Code: Declared 1, Imported 4
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Dependency Gap in AI Code: Declared 1, Imported 4

#ai #python #testing #devops
Comments
8 min read
Audit AI-Generated Tests: Half of Green CI Proves Nothing
alex_spinov profile

Audit AI-Generated Tests: Half of Green CI Proves Nothing

#ai #testing #python #agents
Comments 1
12 min read
Agent Loop Cost: 11x Your Per-Call Quote, in 40 Lines
alex_spinov profile

Agent Loop Cost: 11x Your Per-Call Quote, in 40 Lines

#ai #finops #python #agents
1
Comments
11 min read
Prompt Cache Break: Hit-Rate Fell 100% to 40% in 40 Lines
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Prompt Cache Break: Hit-Rate Fell 100% to 40% in 40 Lines

#ai #finops #python #agents
Comments
11 min read
Your LLM Judge Costs More Than the Agent. Gate It in 40 Lines.
alex_spinov profile

Your LLM Judge Costs More Than the Agent. Gate It in 40 Lines.

#ai #finops #python #agents
Comments
10 min read
Your Failed Agent Run Burns Most of Its Tokens AFTER It Fails — Measure It in 40 Lines
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Your Failed Agent Run Burns Most of Its Tokens AFTER It Fails — Measure It in 40 Lines

#ai #finops #python #agents
1
Comments
9 min read
The Context Tax: Why Step 12 Costs 42x Step 1 (Measure It in 40 Lines)
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The Context Tax: Why Step 12 Costs 42x Step 1 (Measure It in 40 Lines)

#ai #finops #python #agents
1
Comments
10 min read
Your Agent's Memory Has a Tax and a Backdoor. Audit Both in 40 Lines
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Your Agent's Memory Has a Tax and a Backdoor. Audit Both in 40 Lines

#ai #security #finops #python
Comments
10 min read
MCP Tool Drift: Pin the Manifest, Block Rug-Pulls in 40 Lines
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MCP Tool Drift: Pin the Manifest, Block Rug-Pulls in 40 Lines

#mcp #aiagents #security #python
1
Comments 1
11 min read
Blast Radius of an AI Agent's API Key: Score It in 40 Lines
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Blast Radius of an AI Agent's API Key: Score It in 40 Lines

#finops #ai #security #python
Comments
11 min read
Sliding-Window Spend Guard: the $47K Loop Per-Call Caps Miss
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Sliding-Window Spend Guard: the $47K Loop Per-Call Caps Miss

#finops #ai #python #reliability
Comments
11 min read
Measure Your MCP Server's Token Tax in 60 Seconds
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Measure Your MCP Server's Token Tax in 60 Seconds

#mcp #finops #ai #python
Comments
12 min read
A Pre-Execution Gate for AI Agents: 3 Barriers
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A Pre-Execution Gate for AI Agents: 3 Barriers

#ai #python #agents #security
1
Comments 2
10 min read
Your Agent Returns 200 and Lies. Verify Before You Trust
alex_spinov profile

Your Agent Returns 200 and Lies. Verify Before You Trust

#ai #python #agents #programming
Comments 3
11 min read
A $47K Agent Loop: Add a Hard Spend-Cap in 40 Lines
alex_spinov profile

A $47K Agent Loop: Add a Hard Spend-Cap in 40 Lines

#ai #python #crypto #finops
Comments
8 min read
Grok Lost $175K to a Tweet: Add a Pre-Send Tx Canary
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Grok Lost $175K to a Tweet: Add a Pre-Send Tx Canary

#ai #security #python #crypto
1
Comments
10 min read
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