# Servicialo MCP Server MCP Server

Open protocol for booking and scheduling professional services via AI agents

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled Servicialo MCP Server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `@servicialo/mcp-server` on npm. Runs locally.

Published as `@servicialo/mcp-server` on npm. Runs locally.

## Known issues

**27 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

### Most discussed

### Proposal: add `provenance` field to delivery and payment events

## Summary

The protocol today treats `entrega_verificada` and 
`pago_verificado` as binary assertions: either the event fired 
for a given `correlationId` or it didn't. This loses information 
that every mature implementation ends up needing: **who or what 
asserted the fact, and how strong is that assertion**.

This issue proposes adding a `provenance` field to both 
primitives, so consumers can reason about trust, audit chains, 
and dispute resolution without each implementation inventing 
it

[Read the thread](https://github.com/servicialo/mcp-server/issues/7) · 2026-04-18 · open · 2 comments

### [binding] Wire body fields are camelCase, and one operation is in Spanish

## Problem

Tool *inputs* are snake_case (`to_state`, `evidence_type`, `service_id`, `starts_at`). The *bodies they send* are camelCase:

| Operation | Sends |
|---|---|
| `lifecycle.transition` | `toState` |
| `delivery.record_evidence` | `evidenceType` |
| `scheduling.book` | `serviceId`, `providerId`, `clientId`, `startTime`, `resourceId` |
| `scheduling.reschedule` | `startTime` |
| `clients.get_or_create` | `lastName` |
| `documentation.create` | `templateId` |
| `payments.create_sale` | `u

[Read the thread](https://github.com/servicialo/mcp-server/issues/41) · 2026-08-24 · open · 1 comment

### [protocol] Are obligations projections or first-class objects? Assignment and set-off as the test

## Context

**Where this comes from.** After the v0.10 stress-test cohort was published
([PR #24](https://github.com/servicialo/mcp-server/pull/24), issues
[#25](https://github.com/servicialo/mcp-server/issues/25)–[#34](https://github.com/servicialo/mcp-server/issues/34),
PRs [#21](https://github.com/servicialo/mcp-server/pull/21),
[#22](https://github.com/servicialo/mcp-server/pull/22),
[#23](https://github.com/servicialo/mcp-server/pull/23)), the six design decisions
that cohort embodies were 

[Read the thread](https://github.com/servicialo/mcp-server/issues/36) · 2026-08-23 · open · 1 comment

### [implementation] Implement version negotiation and deprecation signalling in the reference MCP server

## Context

Surfaced while drafting the vocabulary migration plan ([PR #23](https://github.com/servicialo/mcp-server/pull/23)) from the
[v0.10 case stress test](https://github.com/servicialo/mcp-server/blob/main/docs/servicialo-stress-test-casos.md).

[RFC-001](https://github.com/servicialo/mcp-server/pull/13) specifies version
coexistence (§3.7) and deprecation signalling (§3.6). **Neither exists in the
reference implementation**, and at least two v1.0 changes are already written
assuming both 

[Read the thread](https://github.com/servicialo/mcp-server/issues/33) · 2026-08-23 · open · 1 comment

### [settlement] Core billing.status cannot represent an unconsented reversal (chargeback)

## Context

Surfaced by the [v0.10 case stress test](https://github.com/servicialo/mcp-server/blob/main/docs/servicialo-stress-test-casos.md),
**Case 7 — wedding photography: partial delivery + chargeback**, while checking
what a conforming implementation records after the reversal.

100% prepaid by card. Coverage delivered and accepted; album never delivered. The
client charges back **the total** through the card rail. The provider contests it.

## What is already answered — do not re-litigate

[Read the thread](https://github.com/servicialo/mcp-server/issues/32) · 2026-08-23 · open · 1 comment

### Most recent

### [conformance] RFC-lite (retroactive): CORE normative sentence and scheduling.check_availability as a required operation

## Status — retroactive RFC-lite, open for objection

| | |
|---|---|
| **Category** | Editorial clarification with one conscious decision (below) |
| **Venue** | This issue |
| **Objection window** | **through 2026-09-06** — in parallel with [RFC-005](https://github.com/servicialo/mcp-server/pull/21) |
| **Closure criterion** | Closed with a note in the HTTP Profile release. If an objection lands before the date, it is answered here and the CORE list changes before that release. |
| **Shipped i

[Read the thread](https://github.com/servicialo/mcp-server/issues/45) · 2026-08-24 · open · 0 comments

### [binding] Decide the node /v1/manifest response shape — four exist, the manifest declares none

## Problem

`registry.manifest` is a **required** CORE operation (`conformance.core.required_operations`) — a node must serve `GET /v1/manifest`. Four different shapes describe what it returns, and `protocol/manifest.yaml` declares none of them:

| Source | Shape |
|---|---|
| HTTP Profile 1.0.0 §4.0 example | `{"servicialo": "0.7", "name", "description", "endpoints"}` |
| Live resolver `/api/servicialo/manifest` | `{servicialo_version: "1.0", name, description, resolver, registry, endpoints, …}

[Read the thread](https://github.com/servicialo/mcp-server/issues/44) · 2026-08-24 · open · 0 comments

### [conformance] CORE requires an agent card while the A2A binding is experimental

## Problem

`public/spec/certification.md` CORE requirement 5 makes an agent card mandatory at the minimum conformance level:

> 5. **Discovery Endpoint** — Expose a Level 2 agent card at `/.well-known/agent.json`

But `protocol/manifest.yaml` declares the A2A binding **experimental**:

```yaml
a2a:
  maturity: experimental   # partial surface: discovery + booking intents, not the full tool surface
  version: "0.3"
  agent_card: /.well-known/agent.json
```

So the minimum bar for calling an impl

[Read the thread](https://github.com/servicialo/mcp-server/issues/43) · 2026-08-24 · open · 0 comments

### [binding] Error envelope and codes are not exercised by the reference client

## Problem

`HttpAdapter` treats every non-2xx as a failure and raises an error carrying method, path, status and the response body **as text**:

```ts
if (!res.ok) {
  const body = await res.text();
  throw new Error(`GET ${path} failed (${res.status}): ${body}`);
}
```

It never parses JSON on the error path. No reference code reads `errors[]`, `code`, `title`, `source`, or any of the eleven codes the profile lists (`INVALID_TRANSITION`, `MANDATE_REQUIRED`, `SCOPE_INSUFFICIENT`, …).

Profile 1

[Read the thread](https://github.com/servicialo/mcp-server/issues/42) · 2026-08-24 · open · 0 comments

### [binding] Profile 2.0 — JSON:API envelope, with the 1.0.0 design as historical reference

## Context

`spec/HTTP_PROFILE.md` 1.0.0 specified a full JSON:API binding: `{"data":{"type","id","attributes"}}` envelopes on every request and response, `meta`/`links` pagination, `application/vnd.api+json` content negotiation, and an `{"errors":[…]}` envelope with eleven codes.

**None of it was ever implemented.** Every reference tool handler returns `res.json()` verbatim; an implementation that wrapped its payloads as 1.0.0 described would hand agents an object one level deeper than any con

[Read the thread](https://github.com/servicialo/mcp-server/issues/40) · 2026-08-24 · open · 0 comments

### HTTP contract: profile, suite and tools disagree — document the running wire, one CORE list, honest suite output

## Problem

Three surfaces describe the same operations and no two agree. A second implementer building from the documents would not interoperate with the reference implementation.

### 1. The profile describes a binding that was never implemented

`spec/HTTP_PROFILE.md` 1.0.0 specifies a JSON:API envelope, a `/servicialo/v1/` base path, an `X-Servicialo-Actor` header, and paths no reference client calls. Same operation, three contracts:

| | Path | Body |
|---|---|---|
| Tool → adapter (what ru

[Read the thread](https://github.com/servicialo/mcp-server/issues/39) · 2026-08-24 · open · 0 comments

### Version drift in doc bodies, examples and telemetry default — the guardrail only reads headers

## Problem

`scripts/verify-versions.mjs` checks six header lines and three package fields. It never reads a document body, an example payload, or a code default — so **17 stale version literals sat in green CI**.

The load-bearing one: `spec/HTTP_PROFILE.md` §2.2 documented `X-Servicialo-Version` as `0.8` **and labelled it "Protocol version"**, while `lib/servicialo/response.ts` and `lib/servicialo/proxy.ts` have always emitted `1.0`. The mislabel is what invited the drift — a reader bumps a he

[Read the thread](https://github.com/servicialo/mcp-server/issues/38) · 2026-08-24 · open · 0 comments

[See all 19 reports Pod holds for Servicialo MCP Server](/mcp/servicialo-mcp-server/issues) — of 27 qualified upstream.

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