AGENTS.md
+15 −11
https://raw.githubusercontent.com/cyanheads/open-meteo-mcp-server/HEAD/AGENTS.md
− **Version:** 0.3.11− **Framework:** [@cyanheads/mcp-ts-core](https://www.npmjs.com/package/@cyanheads/mcp-ts-core) `^0.13.6`− **MCP SDK:** `@modelcontextprotocol/server` ^2.0.0− when: 'The search returned no matching places',− throw ctx.fail('no_results', `No places found matching "${input.name}".`, ctx.recoveryFor('no_results'));− | `ctx.state` | Tenant-scoped KV — `.get(key)`, `.set(key, value, { ttl? })`, `.delete(key)`, `.getMany(keys)`, `.list(prefix, { cursor, limit })`. Accepts any serializable value. |− | `ctx.inputs` | Reader over a retried request's responses — `.accepted(key, schema)`, `.view(key)`, `.state()`, `.dropped`. Empty on the first round. |− | `ctx.requestId` | Unique request ID. |− **Recommended: typed error contract.** Declare `errors: [{ reason, code, when, recovery, retryable?, severity?, thrownBy? }]` on `tool()` / `resource()` to receive `ctx.fail(reason, …)` typed against the reason union. TypeScript catches typos at compile time, `data.reason` is auto-populated for observability, linter enforces conformance against the handler body. `recovery` is required (≥ 5 words, lint-validated) — the single source of truth for the agent's next move. Pass `ctx.recoveryFor('reaso− if (!item) throw ctx.fail('no_match', `No item ${input.id}`, ctx.recoveryFor('no_match'));− server-config.ts # Server-specific env vars (all optional base URL overrides)+ **Version:** 0.4.0+ **Framework:** [@cyanheads/mcp-ts-core](https://www.npmjs.com/package/@cyanheads/mcp-ts-core) `^0.13.11`+ **MCP SDK:** `@modelcontextprotocol/server` ^2.2.0+ when: 'The search returned no matching places.',+ throw ctx.fail('no_results', `No places found matching "${input.name}".`);+ | `ctx.state` | Tenant-scoped KV — `.get(key)`, `.set(key, value, { ttl? })`, `.delete(key)`, `.getMany(keys)`, `.list(prefix, { cursor, limit })`. Accepts any JSON-serializable value; reads return its JSON form (a `Date` comes back as an ISO string). |+ | `ctx.inputs` | The request's responses — `.accepted(key, schema)`, `.view(key)`, `.state()`, `.dropped` — limited to what the client declared (`elicitation` and its form/url modes, `sampling`, `roots`). Client-supplied: a consent gate trusts only a `ctx.state` record it stored when it asked, bound to the operation, caller, and target (see the `api-context` skill). |+ | `ctx.clientCapabilities` | What the client declared for this request, `undefined` when no view exists. Decides whether to ask for optional context (e.g. roots); never a reason to skip a consent prompt. |+ | `ctx.requestId` | Request ID — the one every log record of the call carries and its error envelope returns as `data.requestId`. |+ **Recommended: typed error contract.** Declare `errors: [{ reason, code, when, recovery, retryable?, severity?, thrownBy? }]` on `tool()` / `resource()` to receive `ctx.fail(reason, …)` typed against the reason union. TypeScript catches typos at compile time, `data.reason` is auto-populated for observability, linter enforces conformance against the handler body. `recovery` is required (≥ 5 words, lint-validated) — the single source of truth for the agent's next move. The framework puts it on the+ if (!item) throw ctx.fail('no_match', `No item ${input.id}`);+ server-config.ts # Server-specific env vars (optional base URL overrides + OPENMETEO_DATAFRAME_DROP_ENABLED)+ dataframe-describe.tool.ts # openmeteo_dataframe_describe+ dataframe-query.tool.ts # openmeteo_dataframe_query+ dataframe-drop.tool.ts # openmeteo_dataframe_drop (opt-in: OPENMETEO_DATAFRAME_DROP_ENABLED; disabledTool() otherwise)
