{"slug":"the-agent","name":"The Agent","summary":"The web's protocol stack was designed for one consumer: a human behind a browser. HTTP, HTML, CSS, JavaScript — every layer assumes someone is looking at a screen. Fifty years after TCP laid the foundation for machine-to-machine communication, a new class of consumer is arriving:","publisher":"rtrvr.ai","homepage":"https://rtrvr.ai/blog/agent-web-protocol-stack","kind":"webmcp","hasApi":true,"hasMcp":true,"costRange":"usage","costNotes":"Cost range usage taken from intake evidence.","functions":["browser","cache","code","crawl","evaluate","generate","identity","monitor"],"slices":[{"functionId":"browser","label":"browser","note":"Inferred from executor","cost":"Unknown"},{"functionId":"cache","label":"cache","note":"Inferred from executor","cost":"Unknown"},{"functionId":"code","label":"code","note":"Inferred from executor","cost":"Unknown"},{"functionId":"crawl","label":"crawl","note":"Inferred from executor","cost":"Unknown"},{"functionId":"evaluate","label":"evaluate","note":"Inferred from executor","cost":"Unknown"},{"functionId":"generate","label":"generate","note":"Inferred from executor","cost":"Unknown"},{"functionId":"identity","label":"identity","note":"Inferred from executor","cost":"Unknown"},{"functionId":"monitor","label":"monitor","note":"Inferred from executor","cost":"Unknown"}],"interfaces":[{"kind":"mcp"},{"kind":"http"}],"composabilityRationale":"Heuristic from executor evidence. Grok pass was unavailable or incomplete. No usage metrics were observed.","signals":[],"functionProbabilities":[{"functionId":"browser","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"cache","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"code","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"crawl","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"evaluate","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"generate","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"identity","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"monitor","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"payment","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"render","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"search","value":0.8,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"connect","value":0.72,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"ingest","value":0.72,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"memory","value":0.72,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"retrieve","value":0.72,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"stream","value":0.72,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"},{"functionId":"tool-call","value":0.72,"source":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"lexical","observedAt":"2026-10-19T01:45:57.128Z"}],"claimVerification":[{"key":"mcp","status":"unverified","asserted":"true","evidenceSource":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"fallback"},{"key":"api","status":"unverified","asserted":"true","evidenceSource":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"fallback"},{"key":"cost","status":"unverified","asserted":"usage","evidenceSource":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"fallback"},{"key":"license","status":"unverified","asserted":"","evidenceSource":"https://rtrvr.ai/blog/agent-web-protocol-stack","method":"fallback"}],"tweets":[],"notes":[],"origin":"intake","createdAt":"2026-10-19T01:45:58.303Z","updatedAt":"2026-10-19T01:45:58.303Z","sources":[{"kind":"web","label":"executor","url":"https://rtrvr.ai/blog/agent-web-protocol-stack","excerpt":"The web's protocol stack was designed for one consumer: a human behind a browser. HTTP, HTML, CSS, JavaScript — every layer assumes someone is looking at a screen. Fifty years after TCP laid the foundation for machine-to-machine communicati","at":"2026-10-19T01:45:58.303Z"}],"recordId":"cmp_the-agent","claims":{"name":"The Agent","summary":"The web's protocol stack was designed for one consumer: a human behind a browser. HTTP, HTML, CSS, JavaScript — every layer assumes someone is looking at a screen. Fifty years after TCP laid the foundation for machine-to-machine communication, a new class of consumer is arriving:","kind":"webmcp","publisher":"rtrvr.ai","homepage":"https://rtrvr.ai/blog/agent-web-protocol-stack","costRange":"usage","costNotes":"Cost range usage taken from intake evidence.","functions":["browser","cache","code","crawl","evaluate","generate","identity","monitor"],"slices":[{"functionId":"browser","label":"browser","note":"Inferred from executor","cost":"Unknown"},{"functionId":"cache","label":"cache","note":"Inferred from executor","cost":"Unknown"},{"functionId":"code","label":"code","note":"Inferred from executor","cost":"Unknown"},{"functionId":"crawl","label":"crawl","note":"Inferred from executor","cost":"Unknown"},{"functionId":"evaluate","label":"evaluate","note":"Inferred from executor","cost":"Unknown"},{"functionId":"generate","label":"generate","note":"Inferred from executor","cost":"Unknown"},{"functionId":"identity","label":"identity","note":"Inferred from executor","cost":"Unknown"},{"functionId":"monitor","label":"monitor","note":"Inferred from executor","cost":"Unknown"}],"interfaces":[{"kind":"mcp"},{"kind":"http"}],"composabilityRationale":"Heuristic from executor evidence. Grok pass was unavailable or incomplete. No usage metrics were observed."},"relations":[{"from":"the-agent","to":"github","kind":"fills-same-slot-as","note":"Shared functions browser, code, crawl, monitor. Can fill the same function slot."},{"from":"the-agent","to":"agent-readability-glossary-llms-txt-mcp-a2a-more","kind":"fills-same-slot-as","note":"Shared functions browser, code, crawl, identity. Can fill the same function slot."},{"from":"the-agent","to":"firecrawl","kind":"fills-same-slot-as","note":"Shared functions browser, cache, code, crawl. Can fill the same function slot."},{"from":"the-agent","to":"webvoyager-leaderboard","kind":"fills-same-slot-as","note":"Shared functions browser, cache, code, evaluate. Can fill the same function slot."},{"from":"the-agent","to":"ai-code-sandbox-benchmark-2026","kind":"fills-same-slot-as","note":"Shared functions code, evaluate, generate. Can fill the same function slot."},{"from":"the-agent","to":"comparing-ai-agent-sandbox-platforms-e2b-modal-daytona-and-more","kind":"fills-same-slot-as","note":"Shared functions code, evaluate, monitor. Can fill the same function slot."},{"from":"the-agent","to":"paseo","kind":"fills-same-slot-as","note":"Shared functions code, monitor. Can fill the same function slot."},{"from":"the-agent","to":"spider","kind":"fills-same-slot-as","note":"Shared functions browser, code, crawl. Can fill the same function slot."}],"explain":{"score":13,"formula":"100 × sum(weight × value) over observed factors only. Unobserved factors are omitted, not zeroed.","factors":[{"id":"github_health","label":"GitHub health","weight":0.18,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"agent_use","label":"Agent use","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"human_notes","label":"Human notes","weight":0.14,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"composability","label":"Composability","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"checklist","label":"Checklist","weight":0.1,"value":1,"contribution":0.1,"why":"An MCP surface is declared. An API is declared. Cost is usage. 3 of 3 checklist fields are complete.","sources":[],"evidence":"observed"},{"id":"evidence_quality","label":"Evidence quality","weight":0.14,"value":0.18107144632819594,"contribution":0.025350002485947435,"why":"1 sources cover 1 evidence types. The latest dated evidence is 2026-10-19. Freshness is omitted unless observed as a signal.","sources":[{"kind":"web","label":"executor","url":"https://rtrvr.ai/blog/agent-web-protocol-stack","excerpt":"The web's protocol stack was designed for one consumer: a human behind a browser. HTTP, HTML, CSS, JavaScript — every layer assumes someone is looking at a screen. Fifty years after TCP laid the foundation for machine-to-machine communicati","at":"2026-10-19T01:45:58.303Z"}],"evidence":"observed"},{"id":"benchmark","label":"Benchmarks","weight":0.12,"why":"insufficient evidence","sources":[],"evidence":"insufficient"}],"missing":["GitHub health: insufficient evidence","Agent use: insufficient evidence","Human notes: insufficient evidence","Composability: insufficient evidence","Benchmarks: insufficient evidence"]},"score":13}