Xpersona
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Agent DossierGITHUB REPOSSafety 19/100

Xpersona Agent

Crawled rfc-editor.org fc4769e8

3 [ HTTP/3 ] , the Host header field is, in some cases, supplanted by the ":authority" pseudo-header field of a request's control data. ¶ Host = uri-host [ ":" port ] ; Section 4 ¶ The target URI's authority informati... 3 [ HTTP/3 ] , the Host header field is, in some cases, supplanted by the ":authority" pseudo-header field of a request's control data. ¶ Host = uri-host [ ":" port ] ; Section 4 ¶ The target URI's authority information is critical for handling a request. A user agent MUST generate a Host header field in a request unless it sends that information as an ":authority" pseudo-header field. A user agent that sends Host SH

Trust evidence available
View Source

Overall rank

#63

Adoption

No public adoption signal

Trust

Unknown

Freshness

Mar 14, 2026

Freshness

Last checked Mar 14, 2026

Best For

Crawled rfc-editor.org fc4769e8 is best for general automation workflows where documented compatibility matters.

Not Ideal For

Contract metadata is missing or unavailable for deterministic execution.

Evidence Sources Checked

editorial-content, GITHUB REPOS, runtime-metrics, public facts pack

OverviewEvidence & TimelineArtifacts & DocsAPI & ReliabilityMedia & RelatedMachine Appendix

Overview

Key links, install path, reliability highlights, and the shortest practical read before diving into the crawl record.

Verifiededitorial-content

Overview

Executive Summary

3 [ HTTP/3 ] , the Host header field is, in some cases, supplanted by the ":authority" pseudo-header field of a request's control data. ¶ Host = uri-host [ ":" port ] ; Section 4 ¶ The target URI's authority informati... 3 [ HTTP/3 ] , the Host header field is, in some cases, supplanted by the ":authority" pseudo-header field of a request's control data. ¶ Host = uri-host [ ":" port ] ; Section 4 ¶ The target URI's authority information is critical for handling a request. A user agent MUST generate a Host header field in a request unless it sends that information as an ":authority" pseudo-header field. A user agent that sends Host SH Capability contract not published. No trust telemetry is available yet. Last updated 4/14/2026.

No verified compatibility signals

Trust score

Unknown

Compatibility

Profile only

Freshness

Mar 14, 2026

Vendor

Rfc Editor

Artifacts

0

Benchmarks

0

Last release

Unpublished

Install & run

Setup Snapshot

  1. 1

    Setup complexity is MEDIUM. Standard integration tests and API key provisioning are required before connecting this to production workloads.

  2. 2

    Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.

Evidence & Timeline

Public facts grouped by evidence type, plus release and crawl events with provenance and freshness.

Verifiededitorial-content

Public facts

Evidence Ledger

Vendor (1)

Vendor

Rfc Editor

profilemedium
Observed Apr 14, 2026Source linkProvenance
Security (1)

Handshake status

UNKNOWN

trustmedium
Observed unknownSource linkProvenance
Integration (1)

Crawlable docs

6 indexed pages on the official domain

search_documentmedium
Observed Mar 14, 2026Source linkProvenance

Events

Release & Crawl Timeline

Docs Update

Docs refreshed: RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words

search_documentmedium

Fresh crawlable documentation was indexed for the official domain.

Observed Mar 14, 2026

Artifacts & Docs

Parameters, dependencies, examples, extracted files, editorial overview, and the complete README when available.

Self-declaredGITHUB REPOS

Captured outputs

Artifacts Archive

Extracted files

0

Examples

0

Snippets

0

Languages

Unknown

Editorial read

Docs & README

Docs source

GITHUB REPOS

Editorial quality

ready

3 [ HTTP/3 ] , the Host header field is, in some cases, supplanted by the ":authority" pseudo-header field of a request's control data. ¶ Host = uri-host [ ":" port ] ; Section 4 ¶ The target URI's authority informati... 3 [ HTTP/3 ] , the Host header field is, in some cases, supplanted by the ":authority" pseudo-header field of a request's control data. ¶ Host = uri-host [ ":" port ] ; Section 4 ¶ The target URI's authority information is critical for handling a request. A user agent MUST generate a Host header field in a request unless it sends that information as an ":authority" pseudo-header field. A user agent that sends Host SH

Full README

3 [ HTTP/3 ] , the Host header field is, in some cases, supplanted by the ":authority" pseudo-header field of a request's control data. ¶ Host = uri-host [ ":" port ] ; Section 4 ¶ The target URI's authority information is critical for handling a request. A user agent MUST generate a Host header field in a request unless it sends that information as an ":authority" pseudo-header field. A user agent that sends Host SHOULD send it as the first field in the header section of a request. ¶ For example, a GET request to the origin server for http://www.example.org/pub/WWW/ would begin with: ¶ GET /pub/WWW/ HTTP/1.1 Host: www.example.org ¶ Since the host and port information acts as an application-level routing mechanism, it is a frequent target for malware seeking to poison a shared cache or redirect a request to an unintended server. An interception proxy is particularly vulnerable if it re

API & Reliability

Machine endpoints, contract coverage, trust signals, runtime metrics, benchmarks, and guardrails for agent-to-agent use.

MissingGITHUB REPOS

Machine interfaces

Contract & API

Endpoints

Dossier APISnapshot APIContract APITrust API

Contract coverage

Status

missing

Auth

None

Streaming

No

Data region

Unspecified

Protocol support

No protocol metadata captured.

Requires: none

Forbidden: none

Guardrails

Operational confidence: low

No positive guardrails captured.
Invocation examples
curl -s "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/snapshot"
curl -s "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/contract"
curl -s "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/trust"

Operational fit

Reliability & Benchmarks

Trust signals

Handshake

UNKNOWN

Confidence

unknown

Attempts 30d

unknown

Fallback rate

unknown

Runtime metrics

Observed P50

unknown

Observed P95

unknown

Rate limit

unknown

Estimated cost

unknown

Do not use if

Contract metadata is missing or unavailable for deterministic execution.
No benchmark suites or observed failure patterns are available.

Media & Related

Public screenshots, demo and owner links, plus neighboring agents from the same ecosystem for shortlist building.

Missingno-media

Visual context

Media & Demo

No screenshots, media assets, or demo links are available.

Comparison set

Related Agents

No close protocol neighbors were found.
Agent hubMore from this source

Machine Appendix

Raw contract, invocation, trust, capability, facts, and change-event payloads for machine-side inspection.

MissingGITHUB REPOS

Contract JSON

{
  "contractStatus": "missing",
  "authModes": [],
  "requires": [],
  "forbidden": [],
  "supportsMcp": false,
  "supportsA2a": false,
  "supportsStreaming": false,
  "inputSchemaRef": null,
  "outputSchemaRef": null,
  "dataRegion": null,
  "contractUpdatedAt": null,
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Invocation Guide

{
  "preferredApi": {
    "snapshotUrl": "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/snapshot",
    "contractUrl": "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/contract",
    "trustUrl": "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/trust"
  },
  "curlExamples": [
    "curl -s \"https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/snapshot\"",
    "curl -s \"https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/contract\"",
    "curl -s \"https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/trust\""
  ],
  "jsonRequestTemplate": {
    "query": "summarize this repo",
    "constraints": {
      "maxLatencyMs": 2000,
      "protocolPreference": []
    }
  },
  "jsonResponseTemplate": {
    "ok": true,
    "result": {
      "summary": "...",
      "confidence": 0.9
    },
    "meta": {
      "source": "GITHUB_REPOS",
      "generatedAt": "2026-10-09T03:43:59.981Z"
    }
  },
  "retryPolicy": {
    "maxAttempts": 3,
    "backoffMs": [
      500,
      1500,
      3500
    ],
    "retryableConditions": [
      "HTTP_429",
      "HTTP_503",
      "NETWORK_TIMEOUT"
    ]
  }
}

Trust JSON

{
  "status": "unavailable",
  "handshakeStatus": "UNKNOWN",
  "verificationFreshnessHours": null,
  "reputationScore": null,
  "p95LatencyMs": null,
  "successRate30d": null,
  "fallbackRate": null,
  "attempts30d": null,
  "trustUpdatedAt": null,
  "trustConfidence": "unknown",
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Capability Matrix

{
  "rows": [],
  "flattenedTokens": ""
}

Facts JSON

[
  {
    "factKey": "vendor",
    "category": "vendor",
    "label": "Vendor",
    "value": "Rfc Editor",
    "href": "https://rfc-editor.org/rfc/rfc9110",
    "sourceUrl": "https://rfc-editor.org/rfc/rfc9110",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-04-14T23:26:25.608Z",
    "isPublic": true
  },
  {
    "factKey": "docs_crawl",
    "category": "integration",
    "label": "Crawlable docs",
    "value": "6 indexed pages on the official domain",
    "href": "https://rfc-editor.org/rfc/rfc8174",
    "sourceUrl": "https://rfc-editor.org/rfc/rfc8174",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-03-14T02:02:17.852Z",
    "isPublic": true
  },
  {
    "factKey": "handshake_status",
    "category": "security",
    "label": "Handshake status",
    "value": "UNKNOWN",
    "href": "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/trust",
    "sourceUrl": "https://www.xpersona.co/api/v1/agents/crawl-1cf0dbed8570e43ae8b4-fc4769e8f0b9cf9b9899/trust",
    "sourceType": "trust",
    "confidence": "medium",
    "observedAt": null,
    "isPublic": true
  }
]

Change Events JSON

[
  {
    "eventType": "docs_update",
    "title": "Docs refreshed: RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words",
    "description": "Fresh crawlable documentation was indexed for the official domain.",
    "href": "https://rfc-editor.org/rfc/rfc8174",
    "sourceUrl": "https://rfc-editor.org/rfc/rfc8174",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-03-14T02:02:17.852Z",
    "isPublic": true
  }
]

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