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Achievement: Pull SharkAchievement: Pair Extraordinaire

Achievements

Achievement: Pull SharkAchievement: Pair Extraordinaire

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thexmeta/README.md

Eser Kelleci

I build infrastructure for AI coding agents: MCP gateways, agent harnesses, and verification that decides whether an agent's output is acceptable, instead of letting the agent grade its own work.

Before this: C# and .NET from 2009 to 2017, then freelance in 2020 and 2021. Mostly ERP and systems integration, including Dynamics AX e-invoice and e-ledger integrations with the Turkish Revenue Administration, bank and customs integrations, and a lead role at Avnet Technology Solutions. Scientific programming at NYU Langone Medical Center.

How to read these repos. Python I write myself. The Rust and TypeScript here was written by coding agents under my direction: I own the requirements, the design decisions, the testing and the failure analysis, and I do not claim hands-on fluency in either language. That division is the subject of the work itself. If I am not the one writing the code, the verification layer has to be real.

MCP infrastructure

  • mcp-proxy, fork of joshrotenberg/mcp-proxy: lazy backend spawning with a persistent warm tool catalog (list requests answered with zero processes running), a shared backend pool, endpoint groups with namespace-isolated capability filtering, and MCP 2026-07-28 protocol support. Design decisions are written up in docs/adr/.

  • avalonia-ui-mcp-rs: five-crate Rust workspace on crates.io, MIT, MSRV 1.85. 18+ MCP tools for AvaloniaUI development. A Rust rewrite of decriptor/AvaloniaUI.MCP, specified and tested by me, implemented by agents.

  • Rust support in mcp-migration-check (merged PR): rule MCP010 reads Cargo.toml and flags Rust SDKs that cannot serve MCP 2026-07-28, with remediation for rmcp, rust-mcp-sdk and the tower-mcp protocol-2026-07-28 feature.

Other work

  • autopacx: GitHub-release package manager for Linux (Electron, React, TypeScript).

Upstream

  • microsoft/vscode#319592, reported and diagnosed: Copilot Chat discarded valid generated text when a custom endpoint returned finish_reason: "length", treating a truncated completion as a hard failure. Fixed in VS Code by the maintainers.

Currently

Agent harness design, guardrails and verification. The idea I keep returning to: the agent that reports a verdict must never be the agent that computes it. Looking for remote work on agent infrastructure, developer tooling and systems integration.

Contact

Pinned Loading

  1. mcp-proxy mcp-proxy Public

    Forked from joshrotenberg/mcp-proxy

    Standalone MCP proxy in Rust: lazy stdio backends with a warm tool catalog, endpoint groups on one shared backend pool. Continues joshrotenberg/mcp-proxy.

    Rust

  2. qdrant-rag-mcp qdrant-rag-mcp Public

    Forked from ancoleman/qdrant-rag-mcp

    Python

  3. avalonia-ui-mcp-rs avalonia-ui-mcp-rs Public

    Rust

  4. mcp-migration-check mcp-migration-check Public

    Forked from AlpayC/mcp-migration-check

    Deterministic readiness checker for the MCP 2026-07-28 specification break - a graded web probe and an agent skill over one rule engine.

    TypeScript