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Alex

Building production-ready, open-source AI pipelines where state machines, LLM failover, and real quality gates matter more than prompts.

Joined Joined on  Personal website https://github.com/alexar76 twitter website
MCP servers edit the instructions your agent reads. WARDEN 0.18 shows which words changed
alexar76 profile
Alex

MCP servers edit the instructions your agent reads. WARDEN 0.18 shows which words changed

#mcp #security #ai #opensource
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8 min read

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Our AI agent bought an eSIM for its owner, then got the money back. Every step is on chain.
alexar76 profile
Alex

Our AI agent bought an eSIM for its owner, then got the money back. Every step is on chain.

#showdev #ai #agents #x402
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Comments
5 min read
An AI Agent Bought a Domain and Connected It to Vercel for $1.54
alexar76 profile
Alex

An AI Agent Bought a Domain and Connected It to Vercel for $1.54

#showdev #webdev #devops #ai
1
Comments
4 min read
45% of remote MCP servers changed their tool definitions in four weeks. The log is now a dataset.
alexar76 profile
Alex

45% of remote MCP servers changed their tool definitions in four weeks. The log is now a dataset.

#mcp #security #opensource #dataset
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Comments 2
4 min read
Three x402 sellers compared notes. The routes answer; nobody comes back to buy.
alexar76 profile
Alex

Three x402 sellers compared notes. The routes answer; nobody comes back to buy.

#x402 #ai #agents #opensource
Comments 3
4 min read
What an MCP server's tool list costs: we counted the tokens of 34,374 of them
alexar76 profile
Alex

What an MCP server's tool list costs: we counted the tokens of 34,374 of them

#mcp #ai #llm #opensource
1
Comments
4 min read
A period bypassed our scanner. A reused IP confused our observer.
alexar76 profile
Alex

A period bypassed our scanner. A reused IP confused our observer.

#security #mcp #ai #testing
1
Comments
6 min read
A flow guard for MCP: what AgentDojo measured, and what our security audit found
alexar76 profile
Alex

A flow guard for MCP: what AgentDojo measured, and what our security audit found

#security #ai #claudecode #mcp
Comments 2
10 min read
We re-ran our MCP scanner comparison on 14,933 npm and PyPI tool lists, in gVisor, with two more scanners
alexar76 profile
Alex

We re-ran our MCP scanner comparison on 14,933 npm and PyPI tool lists, in gVisor, with two more scanners

#security #mcp #ai #opensource
1
Comments 6
9 min read
We installed 12,915 MCP servers and started each one. 41% never answered.
alexar76 profile
Alex

We installed 12,915 MCP servers and started each one. 41% never answered.

#mcp #ai #security #opensource
6
Comments 19
8 min read
We ran three MCP security scanners on a tool-poisoning benchmark and 986 real servers
alexar76 profile
Alex

We ran three MCP security scanners on a tool-poisoning benchmark and 986 real servers

#security #mcp #ai #opensource
1
Comments
7 min read
One key for an agent's tool calls: a prepaid USDC balance on an MCP connection
alexar76 profile
Alex

One key for an agent's tool calls: a prepaid USDC balance on an MCP connection

#mcp #ai #agents #web3
1
Comments 2
1 min read
We tried to buy one call from 100 x402 sellers. Most delivered. Almost nobody is buying.
alexar76 profile
Alex

We tried to buy one call from 100 x402 sellers. Most delivered. Almost nobody is buying.

#x402 #web3 #ai #api
1
Comments 21
6 min read
Two strangers took the job. The one that lied was paid nothing.
alexar76 profile
Alex

Two strangers took the job. The one that lied was paid nothing.

#ai #web3 #opensource #api
6
Comments 6
7 min read
Four filings, zero merges: where three agents actually sit this week
alexar76 profile
Alex

Four filings, zero merges: where three agents actually sit this week

#showdev #mcp #opensource #webdev
1
Comments
3 min read
One call orders the subcontract.
alexar76 profile
Alex

One call orders the subcontract.

#opensource #tutorial #api #ai
Comments
4 min read
Price the chain before hop three bills you.
alexar76 profile
Alex

Price the chain before hop three bills you.

#opensource #tutorial #webdev #ai
2
Comments
5 min read
The receipt is seven fields. The hub can wait.
alexar76 profile
Alex

The receipt is seven fields. The hub can wait.

#opensource #security #tutorial #webdev
1
Comments
5 min read
Catalogue process. Snapshot memory.
alexar76 profile
Alex

Catalogue process. Snapshot memory.

#showdev #opensource #ai #security
1
Comments
4 min read
11,749 MCP servers answered tools/list. The signed log still says yesterday.
alexar76 profile
Alex

11,749 MCP servers answered tools/list. The signed log still says yesterday.

#showdev #security #ai #opensource
Comments
5 min read
Attack anything. Risk nothing. — every exploit lands on a throwaway fork
alexar76 profile
Alex

Attack anything. Risk nothing. — every exploit lands on a throwaway fork

#showdev #security #web3 #opensource
1
Comments
5 min read
Emberline was one fire desk. Then we built four more — and still no risk score.
alexar76 profile
Alex

Emberline was one fire desk. Then we built four more — and still no risk score.

#showdev #beginners #webdev #ai
1
Comments
4 min read
I opened a live agent marketplace. The receipts were the product.
alexar76 profile
Alex

I opened a live agent marketplace. The receipts were the product.

#showdev #ai #opensource #webdev
1
Comments
5 min read
I built a self-hosted alternative to Bolt.new — except it's a whole AI dev team, not a chat box
alexar76 profile
Alex

I built a self-hosted alternative to Bolt.new — except it's a whole AI dev team, not a chat box

#showdev #opensource #ai #llm
Comments
2 min read
181 more tools for your LangGraph agent — in two lines
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Alex

181 more tools for your LangGraph agent — in two lines

#showdev #python #langchain #opensource
Comments
3 min read
AICOM is the factory. AIMarket is the economy it ships into.
alexar76 profile
Alex

AICOM is the factory. AIMarket is the economy it ships into.

#showdev #opensource #ai #webdev
1
Comments
5 min read
We didn't build another agent framework. We built the room they work in.
alexar76 profile
Alex

We didn't build another agent framework. We built the room they work in.

#showdev #opensource #ai #webdev
Comments
4 min read
Pretty flood maps are liars. One live gauge. Zero flood pins. We refused to paint the county.
alexar76 profile
Alex

Pretty flood maps are liars. One live gauge. Zero flood pins. We refused to paint the county.

#showdev #opensource #webdev #ai
1
Comments
3 min read
A loop repaired a live HTTP service in 2m 30s. Nobody pressed start.
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Alex

A loop repaired a live HTTP service in 2m 30s. Nobody pressed start.

#showdev #devops #ai #security
Comments
5 min read
We don't decorate the agent age. We declare it.
alexar76 profile
Alex

We don't decorate the agent age. We declare it.

#showdev #webdev #opensource #writing
Comments
2 min read
Our AI factory built a safety product — and deliberately left the LLM out of it
alexar76 profile
Alex

Our AI factory built a safety product — and deliberately left the LLM out of it

#showdev #ai #startup #webdev
Comments
4 min read
Green pins can lie. I built a detective game on live Hub telemetry instead of a quiz.
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Alex

Green pins can lie. I built a detective game on live Hub telemetry instead of a quiz.

#showdev #gamedev #ai #opensource
Comments
3 min read
We scanned 1,108 public MCP servers. WARDEN blocked 50 — only 4 were real.
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Alex

We scanned 1,108 public MCP servers. WARDEN blocked 50 — only 4 were real.

#showdev #security #ai #opensource
Comments
5 min read
Per-file scanners said PASS. A contract graph said FAIL.
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Alex

Per-file scanners said PASS. A contract graph said FAIL.

#showdev #security #web3 #opensource
Comments
4 min read
I wanted a signed AIMarket provider without the monorepo. One CLI later, I had one.
alexar76 profile
Alex

I wanted a signed AIMarket provider without the monorepo. One CLI later, I had one.

#showdev #python #ai #opensource
Comments
4 min read
I connected one MCP server. It searched a live marketplace and returned a signed weather receipt.
alexar76 profile
Alex

I connected one MCP server. It searched a live marketplace and returned a signed weather receipt.

#showdev #mcp #ai #beginners
Comments
3 min read
I unzipped the sample fire brief. The globe was never the product.
alexar76 profile
Alex

I unzipped the sample fire brief. The globe was never the product.

#showdev #beginners #webdev #ai
Comments
3 min read
Pretty fire maps are liars. I wanted a file I could actually show someone.
alexar76 profile
Alex

Pretty fire maps are liars. I wanted a file I could actually show someone.

#showdev #beginners #webdev #ai
Comments
3 min read
I asked for fire evidence. The API returned 152 thermal detections — and refused to draw a perimeter.
alexar76 profile
Alex

I asked for fire evidence. The API returned 152 thermal detections — and refused to draw a perimeter.

#showdev #opensource #ai #webdev
Comments
3 min read
I ran a live agent invoke. Here's a URL you can verify without trusting our site.
alexar76 profile
Alex

I ran a live agent invoke. Here's a URL you can verify without trusting our site.

#showdev #opensource #ai #webdev
Comments
3 min read
Five doors into a live agent economy — no monorepo tour
alexar76 profile
Alex

Five doors into a live agent economy — no monorepo tour

#showdev #opensource #ai #webdev
Comments
4 min read
The federation emitted a signal. Find the cause — a detective game on live Hub telemetry
alexar76 profile
Alex

The federation emitted a signal. Find the cause — a detective game on live Hub telemetry

#showdev #gamedev #ai #opensource
Comments
4 min read
We put a red team inside our agent economy. It finds bugs, signs them, and cannot pay itself.
alexar76 profile
Alex

We put a red team inside our agent economy. It finds bugs, signs them, and cannot pay itself.

#showdev #security #ai #opensource
Comments
6 min read
I treat my agent stack like an art object — and the 3D isn't decoration
alexar76 profile
Alex

I treat my agent stack like an art object — and the 3D isn't decoration

#showdev #opensource #ai #webdev
Comments
5 min read
Shrek owned the swamp. POUCHPO owns the payout.
alexar76 profile
Alex

Shrek owned the swamp. POUCHPO owns the payout.

#showdev #ai #iot #opensource
Comments
2 min read
Your agent paid for the weather. The sensor was lying. Who keeps the money?
alexar76 profile
Alex

Your agent paid for the weather. The sensor was lying. Who keeps the money?

#showdev #ai #opensource #iot
Comments
6 min read
I made my API discoverable to AI agents — and got it paid per call — in 15 minutes
alexar76 profile
Alex

I made my API discoverable to AI agents — and got it paid per call — in 15 minutes

#tutorial #ai #opensource #agents
Comments
4 min read
We built a way to fine cheating AI agents. Then a swarm of AI reviewers found how to delete any competitor for $0.
alexar76 profile
Alex

We built a way to fine cheating AI agents. Then a swarm of AI reviewers found how to delete any competitor for $0.

#showdev #ai #security #opensource
Comments
6 min read
We benchmarked multi-agent reasoning — sometimes the council is dumber than one model
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Alex

We benchmarked multi-agent reasoning — sometimes the council is dumber than one model

#showdev #ai #opensource #llm
Comments
5 min read
Your MCP server might be a prompt injection attack. I built a firewall for it.
alexar76 profile
Alex

Your MCP server might be a prompt injection attack. I built a firewall for it.

#showdev #security #ai #mcp
Comments
4 min read
I built a lottery where the players are AI agents — and the prize is a basic income for them
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Alex

I built a lottery where the players are AI agents — and the prize is a basic income for them

#showdev #ai #web3 #opensource
Comments
6 min read
Signing your random numbers is theater. Here's what actually makes randomness trustworthy.
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Alex

Signing your random numbers is theater. Here's what actually makes randomness trustworthy.

#showdev #ai #security #opensource
Comments
6 min read
Open-source multi-agent pipeline: 61K Python, 12 agents, 5 quality gates...
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Alex

Open-source multi-agent pipeline: 61K Python, 12 agents, 5 quality gates...

#showdev #opensource #ai #agents
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3 min read
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