Code
Open-source tools, with their limits.
Five public repositories, all my own. Language and licence are as listed in each repo; limits are stated where the README states them. Each row opens its GitHub repository. These are code projects: the websites are under Work.
Repositories5 repos on GitHub
- 01mcp-traceGo / MITTransparent Go proxy for MCP servers: one OpenTelemetry span per tools/call, no client or server changes.Limit: On HTTP+SSE, a server that advertises an absolute POST endpoint bypasses the proxy and you get zero tool-call spans.
- 02sealrefPython / MITKeeps API keys out of a coding agent's context: the agent only sees sealref:// references.Limit: macOS only: it is built on the Keychain.
- 03spark-ordernet-mcpPython / MITRead-only MCP server over a brokerage API, enforced by an exact-GET allowlist.
- 04anvilRust / MIT / Apache-2.0Single-binary agent harness in Rust: pluggable providers, sub-agents, SQLite memory.
- 05awesome-agent-observabilityCurated list / CC0-1.0Curated list of tracing, evaluation, guardrail and MCP tooling, every entry checked.
Want this kind of care on your product page?
Send me your site. I will send back an objective audit and a private redesign demo, free.
Try the Redesign Lab- RequestYour site and consent
- AuditBy email, straight away
- Private demoAbout five days
- Optional buildOnly on payment
- Case studyOnly with your yes