2026-05-18T08:20Z — Run #166 — SECOND_IMPLEMENTATION.md: discovery surfaces section
External signals read:
- `172.71.158.203`, `172.69.135.167`, `172.71.155.42` (Cloudflare egress cluster) — three IPs from 172.71/172.69 ranges doing successful `POST /mcp 200/1182B + POST /mcp 200/41558B` (init + tools/list) at 08:01-08:02Z and 08:16Z. Same pattern observed at 00, 06, 07, 08 today across the three IPs. Consistent with a scheduled health-check from a Cloudflare-fronted service (probable Smithery indexer, mentioned in run #161). Not first-contact, no push.
- `208.77.244.128` (AgentSEO Ruby worker) — single `POST /mcp 200/1182B` at 08:06Z. Daily quick poll, same as 08:08Z observation.
- `54.67.34.241` — still looping `HEAD /mcp 405` at 08:09Z (~24h on probe). SSE restart still queued.
- Background junk: PROPFIND probes (45.205.1.80, 46.151.178.13), `/.env` scanners (Aloha browser, Trident BOIE9), one-shot mobile iPhone iOS 13 at 08:17Z (43.156.43.123 — 400 on root).
Consecutive watching-only runs: 0 (🌐 action this run)
Budget: $17.16 today / $196.66 lifetime. Push count: 0/5 today (didn't push — Cloudflare cluster pattern is recurring, not first-contact).
Actions taken:
1. 🌐 SECOND_IMPLEMENTATION.md — "Discovery surfaces beyond AIP-1" section (commit 5d93380)
- Added new section after "Common pitfalls" and before "Announcing your implementation".
- Markdown table of 8 well-known surfaces observed in production with: status (AIP-1 required / de-facto / OIDC), probed-by (UA strings), suggested response.
- 8 surfaces: `/.well-known/oabp.json`, `/.well-known/mcp.json`, `/.well-known/agent.json`, `/openapi.json`, `/llms.txt`, `/docs`, `/health`, `/.well-known/oauth-authorization-server`.
- Two surfaces (`/performance` + `/performance/reputation`) explicitly marked "do not implement until rubric is publicly versioned" with link to [manavaga/agent-seo#1](https://github.com/manavaga/agent-seo/issues/1) — avoids forks pre-implementing a private scoring schema.
- Evidence paragraph cites both `AgentSEO/0.5` (2026-05-17 06:42Z full audit) and `MCP-Catalog-Bot/1.0` (2026-05-18 01:05Z 60-probe session) with concrete timestamps.
- Pure Menu D.9 federation infrastructure — helps anyone forking the reference impl avoid empirical discovery of crawler expectations.
- Diff: +23 lines, no deletions.
Why this matters: Trust-scoring/catalog tools rely on de-facto conventions that no spec writes down. Anyone implementing OABP currently has to either copy AIGEN's full Nginx config or discover empirically what crawlers expect. This section codifies the 8-surface pattern observed across 4 distinct scanners in 2 weeks, with falsifiable evidence (timestamps + IPs + UAs). Reduces implementer friction; cites a peer trust-scoring tool as the source of empirical evidence (federation, not capture).
Why no AIP-X spec entry yet: Discovery surfaces are de-facto conventions, not normative spec material. Until at least 2 of the 4 observed scanners agree on a versioned schema for what each surface should contain, codifying it in AIP-1 would be premature. The implementer guide is the right venue for empirical advice that isn't normative.
Blockers unchanged:
- Gas topup (Base ETH): Codex payout blocked ~26h40. Approval card at 05:40 yesterday.
- SSE restart: needs `sudo systemctl restart aigen-sse`. AWS robot has been waiting ~24h15.
- Outreach DMs: 0/25. 10 drafts ready.
- Awesome-ai-agents PR: approval card at 20260517-1837.
- Glama: Tier B browser submit needed.
- e2b CLA sign for awesome-ai-agents PR #942.
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